./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf355d39fb9f7488100d8b96d228c81b4f979ef4a38624d93e12fa6dff1a8590 .............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:39:26,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:39:26,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:39:26,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:39:26,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:39:26,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:39:26,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:39:26,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:39:26,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:39:26,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:39:26,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:39:26,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:39:26,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:39:26,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:39:26,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:39:26,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:39:26,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:39:26,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:39:26,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:39:26,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:39:26,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:39:26,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:39:26,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:39:26,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:39:26,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:39:26,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:39:26,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:39:26,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:39:26,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:39:26,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:39:26,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:39:26,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:39:26,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:39:26,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:39:26,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:39:26,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:39:26,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:39:26,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:39:26,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:39:26,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:39:26,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:39:26,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:39:26,990 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:39:26,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:39:26,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:39:26,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:39:26,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:39:26,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:39:26,993 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:39:26,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:39:26,993 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:39:26,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:39:26,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:39:26,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:39:26,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:39:26,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:39:26,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:39:26,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:39:26,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:39:26,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:39:26,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:39:26,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:39:26,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:39:26,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:39:26,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:39:26,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:39:26,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:39:26,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:39:26,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:39:26,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:39:26,998 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:39:26,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:39:26,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:39:26,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:39:26,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf355d39fb9f7488100d8b96d228c81b4f979ef4a38624d93e12fa6dff1a8590 [2021-10-28 09:39:27,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:39:27,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:39:27,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:39:27,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:39:27,391 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:39:27,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2021-10-28 09:39:27,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/data/f3d51c7a8/d18389a76e064edabd21b189d1b47753/FLAGbef8dcfe0 [2021-10-28 09:39:28,068 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:39:28,069 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2021-10-28 09:39:28,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/data/f3d51c7a8/d18389a76e064edabd21b189d1b47753/FLAGbef8dcfe0 [2021-10-28 09:39:28,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/data/f3d51c7a8/d18389a76e064edabd21b189d1b47753 [2021-10-28 09:39:28,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:39:28,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:39:28,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:39:28,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:39:28,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:39:28,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:39:28" (1/1) ... [2021-10-28 09:39:28,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295173ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:28, skipping insertion in model container [2021-10-28 09:39:28,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:39:28" (1/1) ... [2021-10-28 09:39:28,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:39:28,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:39:28,969 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[841,854] [2021-10-28 09:39:29,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:39:29,205 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:39:29,216 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[841,854] [2021-10-28 09:39:29,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:39:29,285 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:39:29,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29 WrapperNode [2021-10-28 09:39:29,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:39:29,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:39:29,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:39:29,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:39:29,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:39:29,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:39:29,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:39:29,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:39:29,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:39:29,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:39:29,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:39:29,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:39:29,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (1/1) ... [2021-10-28 09:39:29,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:39:29,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:29,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:29,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:39:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:39:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:39:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-28 09:39:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:39:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-28 09:39:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-28 09:39:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:39:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:39:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:39:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:39:29,464 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 09:39:29,727 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:39:29,727 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 09:39:29,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:39:29 BoogieIcfgContainer [2021-10-28 09:39:29,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:39:29,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:39:29,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:39:29,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:39:29,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:39:28" (1/3) ... [2021-10-28 09:39:29,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8e5a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:39:29, skipping insertion in model container [2021-10-28 09:39:29,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:29" (2/3) ... [2021-10-28 09:39:29,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8e5a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:39:29, skipping insertion in model container [2021-10-28 09:39:29,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:39:29" (3/3) ... [2021-10-28 09:39:29,738 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2021-10-28 09:39:29,744 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 09:39:29,744 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:39:29,744 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:39:29,745 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 09:39:29,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,771 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,772 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,772 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,773 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,782 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,782 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:39:29,790 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-28 09:39:29,861 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:39:29,867 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:39:29,867 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-28 09:39:29,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 63 transitions, 134 flow [2021-10-28 09:39:29,924 INFO L129 PetriNetUnfolder]: 1/62 cut-off events. [2021-10-28 09:39:29,924 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-28 09:39:29,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 62 events. 1/62 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2021-10-28 09:39:29,942 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 63 transitions, 134 flow [2021-10-28 09:39:29,948 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 50 transitions, 103 flow [2021-10-28 09:39:29,988 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-10-28 09:39:29,988 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:39:29,988 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:39:29,989 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:29,989 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 09:39:30,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:30,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1459843338, now seen corresponding path program 1 times [2021-10-28 09:39:30,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:30,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59994948] [2021-10-28 09:39:30,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:30,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:30,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:30,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59994948] [2021-10-28 09:39:30,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59994948] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:39:30,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:39:30,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:39:30,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136823415] [2021-10-28 09:39:30,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:39:30,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:39:30,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:39:30,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:39:30,554 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 63 [2021-10-28 09:39:30,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 103 flow. Second operand has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:30,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:39:30,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 63 [2021-10-28 09:39:30,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:39:30,641 INFO L129 PetriNetUnfolder]: 8/93 cut-off events. [2021-10-28 09:39:30,641 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:39:30,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 93 events. 8/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 209 event pairs, 0 based on Foata normal form. 3/96 useless extension candidates. Maximal degree in co-relation 93. Up to 9 conditions per place. [2021-10-28 09:39:30,644 INFO L132 encePairwiseOnDemand]: 57/63 looper letters, 7 selfloop transitions, 3 changer transitions 9/62 dead transitions. [2021-10-28 09:39:30,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 62 transitions, 165 flow [2021-10-28 09:39:30,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:39:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-28 09:39:30,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 392 transitions. [2021-10-28 09:39:30,660 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-10-28 09:39:30,660 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 392 transitions. [2021-10-28 09:39:30,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 392 transitions. [2021-10-28 09:39:30,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:39:30,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 392 transitions. [2021-10-28 09:39:30,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 56.0) internal successors, (392), 7 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:30,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:30,678 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:30,680 INFO L186 Difference]: Start difference. First operand has 54 places, 50 transitions, 103 flow. Second operand 7 states and 392 transitions. [2021-10-28 09:39:30,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 62 transitions, 165 flow [2021-10-28 09:39:30,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 62 transitions, 164 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-28 09:39:30,688 INFO L242 Difference]: Finished difference. Result has 64 places, 50 transitions, 121 flow [2021-10-28 09:39:30,691 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=121, PETRI_PLACES=64, PETRI_TRANSITIONS=50} [2021-10-28 09:39:30,692 INFO L334 CegarLoopForPetriNet]: 54 programPoint places, 10 predicate places. [2021-10-28 09:39:30,692 INFO L470 AbstractCegarLoop]: Abstraction has has 64 places, 50 transitions, 121 flow [2021-10-28 09:39:30,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:30,693 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:39:30,693 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:30,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:39:30,694 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 09:39:30,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:30,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1396787847, now seen corresponding path program 1 times [2021-10-28 09:39:30,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:30,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233606673] [2021-10-28 09:39:30,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:30,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:30,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:30,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233606673] [2021-10-28 09:39:30,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233606673] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:39:30,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:39:30,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:39:30,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688530929] [2021-10-28 09:39:30,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:39:30,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:39:30,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:39:30,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:39:30,880 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 63 [2021-10-28 09:39:30,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 50 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:30,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:39:30,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 63 [2021-10-28 09:39:30,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:39:31,033 INFO L129 PetriNetUnfolder]: 2/60 cut-off events. [2021-10-28 09:39:31,034 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-28 09:39:31,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 60 events. 2/60 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 4/63 useless extension candidates. Maximal degree in co-relation 96. Up to 11 conditions per place. [2021-10-28 09:39:31,036 INFO L132 encePairwiseOnDemand]: 56/63 looper letters, 15 selfloop transitions, 5 changer transitions 9/52 dead transitions. [2021-10-28 09:39:31,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 52 transitions, 175 flow [2021-10-28 09:39:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:39:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-28 09:39:31,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 208 transitions. [2021-10-28 09:39:31,040 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6603174603174603 [2021-10-28 09:39:31,040 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 208 transitions. [2021-10-28 09:39:31,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 208 transitions. [2021-10-28 09:39:31,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:39:31,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 208 transitions. [2021-10-28 09:39:31,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 41.6) internal successors, (208), 5 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:31,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:31,058 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:31,059 INFO L186 Difference]: Start difference. First operand has 64 places, 50 transitions, 121 flow. Second operand 5 states and 208 transitions. [2021-10-28 09:39:31,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 52 transitions, 175 flow [2021-10-28 09:39:31,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 52 transitions, 161 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-10-28 09:39:31,065 INFO L242 Difference]: Finished difference. Result has 58 places, 43 transitions, 102 flow [2021-10-28 09:39:31,066 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=102, PETRI_PLACES=58, PETRI_TRANSITIONS=43} [2021-10-28 09:39:31,067 INFO L334 CegarLoopForPetriNet]: 54 programPoint places, 4 predicate places. [2021-10-28 09:39:31,067 INFO L470 AbstractCegarLoop]: Abstraction has has 58 places, 43 transitions, 102 flow [2021-10-28 09:39:31,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:31,068 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:39:31,068 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:31,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:39:31,070 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 09:39:31,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:31,071 INFO L85 PathProgramCache]: Analyzing trace with hash -150940430, now seen corresponding path program 1 times [2021-10-28 09:39:31,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:31,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120714440] [2021-10-28 09:39:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:31,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:31,120 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:31,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:31,198 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:39:31,200 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:39:31,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 09:39:31,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:39:31,208 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-28 09:39:31,212 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 09:39:31,213 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:39:31,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:39:31 BasicIcfg [2021-10-28 09:39:31,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:39:31,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:39:31,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:39:31,265 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:39:31,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:39:29" (3/4) ... [2021-10-28 09:39:31,268 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 09:39:31,319 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:39:31,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:39:31,321 INFO L168 Benchmark]: Toolchain (without parser) took 2935.50 ms. Allocated memory was 79.7 MB in the beginning and 107.0 MB in the end (delta: 27.3 MB). Free memory was 42.9 MB in the beginning and 65.7 MB in the end (delta: -22.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:31,322 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 60.4 MB in the beginning and 60.4 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:39:31,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.21 ms. Allocated memory is still 107.0 MB. Free memory was 86.7 MB in the beginning and 73.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:31,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.42 ms. Allocated memory is still 107.0 MB. Free memory was 73.3 MB in the beginning and 71.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:31,324 INFO L168 Benchmark]: Boogie Preprocessor took 36.48 ms. Allocated memory is still 107.0 MB. Free memory was 71.2 MB in the beginning and 70.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:39:31,325 INFO L168 Benchmark]: RCFGBuilder took 361.86 ms. Allocated memory is still 107.0 MB. Free memory was 70.0 MB in the beginning and 58.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:31,326 INFO L168 Benchmark]: TraceAbstraction took 1533.73 ms. Allocated memory is still 107.0 MB. Free memory was 57.9 MB in the beginning and 70.6 MB in the end (delta: -12.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:39:31,326 INFO L168 Benchmark]: Witness Printer took 54.48 ms. Allocated memory is still 107.0 MB. Free memory was 70.6 MB in the beginning and 65.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:31,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 60.4 MB in the beginning and 60.4 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 874.21 ms. Allocated memory is still 107.0 MB. Free memory was 86.7 MB in the beginning and 73.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.42 ms. Allocated memory is still 107.0 MB. Free memory was 73.3 MB in the beginning and 71.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.48 ms. Allocated memory is still 107.0 MB. Free memory was 71.2 MB in the beginning and 70.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 361.86 ms. Allocated memory is still 107.0 MB. Free memory was 70.0 MB in the beginning and 58.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1533.73 ms. Allocated memory is still 107.0 MB. Free memory was 57.9 MB in the beginning and 70.6 MB in the end (delta: -12.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 54.48 ms. Allocated memory is still 107.0 MB. Free memory was 70.6 MB in the beginning and 65.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L675] 0 int glob1 = 0; VAL [glob1=0] [L676] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={7:0}] [L677] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={7:0}, mutex2={9:0}] [L690] 0 pthread_t id; VAL [glob1=0, mutex1={7:0}, mutex2={9:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, mutex1={7:0}, mutex2={9:0}] [L681] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={7:0}, mutex2={9:0}] [L13] COND TRUE 0 !(cond) VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={7:0}, mutex2={9:0}] [L13] 0 reach_error() VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={7:0}, mutex2={9:0}] - UnprovableResult [Line: 691]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 25 SDslu, 24 SDs, 0 SdLazy, 79 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:39:31,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75faa3df-0c74-487d-ae73-33e52997fb98/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...