./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL --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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:32:36,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:32:36,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:32:36,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:32:36,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:32:36,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:32:36,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:32:36,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:32:36,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:32:36,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:32:36,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:32:36,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:32:36,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:32:36,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:32:36,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:32:36,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:32:36,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:32:36,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:32:36,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:32:36,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:32:36,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:32:36,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:32:36,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:32:36,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:32:36,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:32:36,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:32:36,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:32:36,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:32:36,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:32:36,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:32:36,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:32:36,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:32:36,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:32:36,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:32:36,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:32:36,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:32:36,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:32:36,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:32:36,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:32:36,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:32:36,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:32:36,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 04:32:36,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:32:36,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:32:36,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:32:36,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:32:36,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:32:36,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:32:36,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:32:36,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:32:36,906 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:32:36,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:32:36,908 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:32:36,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:32:36,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:32:36,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:32:36,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:32:36,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:32:36,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:32:36,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:32:36,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:32:36,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:32:36,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:32:36,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:32:36,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:32:36,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:32:36,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:32:36,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:32:36,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:32:36,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:32:36,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:32:36,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:32:36,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:32:36,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:32:36,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:32:36,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:32:36,915 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_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2021-11-19 04:32:37,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:32:37,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:32:37,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:32:37,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:32:37,303 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:32:37,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2021-11-19 04:32:37,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/data/9dcf36cac/e52ffef455094112b5022247a4580216/FLAGfd05a4dc9 [2021-11-19 04:32:38,052 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:32:38,053 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2021-11-19 04:32:38,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/data/9dcf36cac/e52ffef455094112b5022247a4580216/FLAGfd05a4dc9 [2021-11-19 04:32:38,279 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/data/9dcf36cac/e52ffef455094112b5022247a4580216 [2021-11-19 04:32:38,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:32:38,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:32:38,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:32:38,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:32:38,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:32:38,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:32:38" (1/1) ... [2021-11-19 04:32:38,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bbd8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:38, skipping insertion in model container [2021-11-19 04:32:38,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:32:38" (1/1) ... [2021-11-19 04:32:38,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:32:38,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:32:38,743 WARN L230 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_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2021-11-19 04:32:39,329 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:32:39,351 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:32:39,367 WARN L230 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_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2021-11-19 04:32:39,411 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:32:39,547 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:32:39,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39 WrapperNode [2021-11-19 04:32:39,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:32:39,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:32:39,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:32:39,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:32:39,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,648 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2021-11-19 04:32:39,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:32:39,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:32:39,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:32:39,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:32:39,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:32:39,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:32:39,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:32:39,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:32:39,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (1/1) ... [2021-11-19 04:32:39,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:32:39,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:32:39,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:32:39,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:32:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-11-19 04:32:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2021-11-19 04:32:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2021-11-19 04:32:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2021-11-19 04:32:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2021-11-19 04:32:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:32:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:32:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:32:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:32:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 04:32:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:32:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:32:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:32:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:32:39,832 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 04:32:40,223 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:32:40,225 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:32:40,463 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:32:40,472 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:32:40,472 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 04:32:40,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:32:40 BoogieIcfgContainer [2021-11-19 04:32:40,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:32:40,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:32:40,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:32:40,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:32:40,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:32:38" (1/3) ... [2021-11-19 04:32:40,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a06c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:32:40, skipping insertion in model container [2021-11-19 04:32:40,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:32:39" (2/3) ... [2021-11-19 04:32:40,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a06c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:32:40, skipping insertion in model container [2021-11-19 04:32:40,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:32:40" (3/3) ... [2021-11-19 04:32:40,484 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2021-11-19 04:32:40,490 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 04:32:40,491 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:32:40,491 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 04:32:40,491 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 04:32:40,544 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,544 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,544 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,545 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,545 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,545 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,545 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,546 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,546 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,547 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,548 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,548 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,549 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,549 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,550 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,550 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,550 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,551 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,551 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,552 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,552 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,553 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,554 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,554 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,554 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,555 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,555 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,556 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,556 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,556 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,557 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,557 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,557 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,558 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,558 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,558 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,559 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,559 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,559 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,559 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,559 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,560 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,560 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,560 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,561 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,561 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,562 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,564 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,564 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,564 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,570 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,570 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,570 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,571 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,571 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,571 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,572 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,572 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,572 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,579 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,579 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,580 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,581 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,581 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:32:40,591 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-19 04:32:40,664 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:32:40,693 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 [2021-11-19 04:32:40,695 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-19 04:32:40,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 93 transitions, 202 flow [2021-11-19 04:32:40,784 INFO L129 PetriNetUnfolder]: 1/91 cut-off events. [2021-11-19 04:32:40,785 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-19 04:32:40,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 91 events. 1/91 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2021-11-19 04:32:40,790 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 93 transitions, 202 flow [2021-11-19 04:32:40,796 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 69 transitions, 144 flow [2021-11-19 04:32:40,838 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-11-19 04:32:40,838 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 04:32:40,839 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:32:40,840 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:32:40,840 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:32:40,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:32:40,850 INFO L85 PathProgramCache]: Analyzing trace with hash -22057998, now seen corresponding path program 1 times [2021-11-19 04:32:40,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:32:40,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027785939] [2021-11-19 04:32:40,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:32:40,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:32:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:32:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:32:41,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:32:41,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027785939] [2021-11-19 04:32:41,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027785939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:32:41,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:32:41,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:32:41,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576019260] [2021-11-19 04:32:41,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:32:41,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:32:41,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:32:41,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:32:41,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:32:41,599 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 93 [2021-11-19 04:32:41,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 69 transitions, 144 flow. Second operand has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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) [2021-11-19 04:32:41,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:32:41,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 93 [2021-11-19 04:32:41,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:32:41,714 INFO L129 PetriNetUnfolder]: 6/112 cut-off events. [2021-11-19 04:32:41,715 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-19 04:32:41,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 112 events. 6/112 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 227 event pairs, 0 based on Foata normal form. 4/116 useless extension candidates. Maximal degree in co-relation 112. Up to 10 conditions per place. [2021-11-19 04:32:41,717 INFO L132 encePairwiseOnDemand]: 88/93 looper letters, 8 selfloop transitions, 2 changer transitions 10/80 dead transitions. [2021-11-19 04:32:41,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 80 transitions, 215 flow [2021-11-19 04:32:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:32:41,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-19 04:32:41,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 568 transitions. [2021-11-19 04:32:41,740 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8725038402457758 [2021-11-19 04:32:41,741 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 568 transitions. [2021-11-19 04:32:41,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 568 transitions. [2021-11-19 04:32:41,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:32:41,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 568 transitions. [2021-11-19 04:32:41,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 81.14285714285714) internal successors, (568), 7 states have internal predecessors, (568), 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) [2021-11-19 04:32:41,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 93.0) internal successors, (744), 8 states have internal predecessors, (744), 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) [2021-11-19 04:32:41,787 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 93.0) internal successors, (744), 8 states have internal predecessors, (744), 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) [2021-11-19 04:32:41,789 INFO L186 Difference]: Start difference. First operand has 76 places, 69 transitions, 144 flow. Second operand 7 states and 568 transitions. [2021-11-19 04:32:41,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 80 transitions, 215 flow [2021-11-19 04:32:41,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 80 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-19 04:32:41,806 INFO L242 Difference]: Finished difference. Result has 85 places, 69 transitions, 158 flow [2021-11-19 04:32:41,808 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=158, PETRI_PLACES=85, PETRI_TRANSITIONS=69} [2021-11-19 04:32:41,815 INFO L334 CegarLoopForPetriNet]: 76 programPoint places, 9 predicate places. [2021-11-19 04:32:41,816 INFO L470 AbstractCegarLoop]: Abstraction has has 85 places, 69 transitions, 158 flow [2021-11-19 04:32:41,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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) [2021-11-19 04:32:41,817 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:32:41,818 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:32:41,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:32:41,819 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:32:41,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:32:41,820 INFO L85 PathProgramCache]: Analyzing trace with hash -949648524, now seen corresponding path program 1 times [2021-11-19 04:32:41,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:32:41,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250508738] [2021-11-19 04:32:41,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:32:41,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:32:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:32:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:32:42,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:32:42,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250508738] [2021-11-19 04:32:42,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250508738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:32:42,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:32:42,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:32:42,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137535687] [2021-11-19 04:32:42,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:32:42,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:32:42,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:32:42,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:32:42,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:32:42,088 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 93 [2021-11-19 04:32:42,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 69 transitions, 158 flow. Second operand has 6 states, 6 states have (on average 69.16666666666667) internal successors, (415), 6 states have internal predecessors, (415), 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) [2021-11-19 04:32:42,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:32:42,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 93 [2021-11-19 04:32:42,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:32:42,229 INFO L129 PetriNetUnfolder]: 4/96 cut-off events. [2021-11-19 04:32:42,229 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-11-19 04:32:42,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 96 events. 4/96 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 121 event pairs, 0 based on Foata normal form. 6/101 useless extension candidates. Maximal degree in co-relation 142. Up to 11 conditions per place. [2021-11-19 04:32:42,233 INFO L132 encePairwiseOnDemand]: 86/93 looper letters, 16 selfloop transitions, 7 changer transitions 2/74 dead transitions. [2021-11-19 04:32:42,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 74 transitions, 224 flow [2021-11-19 04:32:42,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:32:42,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-19 04:32:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 360 transitions. [2021-11-19 04:32:42,244 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7741935483870968 [2021-11-19 04:32:42,244 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 360 transitions. [2021-11-19 04:32:42,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 360 transitions. [2021-11-19 04:32:42,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:32:42,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 360 transitions. [2021-11-19 04:32:42,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 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) [2021-11-19 04:32:42,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 93.0) internal successors, (558), 6 states have internal predecessors, (558), 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) [2021-11-19 04:32:42,254 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 93.0) internal successors, (558), 6 states have internal predecessors, (558), 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) [2021-11-19 04:32:42,254 INFO L186 Difference]: Start difference. First operand has 85 places, 69 transitions, 158 flow. Second operand 5 states and 360 transitions. [2021-11-19 04:32:42,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 74 transitions, 224 flow [2021-11-19 04:32:42,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 74 transitions, 214 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-11-19 04:32:42,280 INFO L242 Difference]: Finished difference. Result has 80 places, 69 transitions, 162 flow [2021-11-19 04:32:42,281 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=162, PETRI_PLACES=80, PETRI_TRANSITIONS=69} [2021-11-19 04:32:42,282 INFO L334 CegarLoopForPetriNet]: 76 programPoint places, 4 predicate places. [2021-11-19 04:32:42,283 INFO L470 AbstractCegarLoop]: Abstraction has has 80 places, 69 transitions, 162 flow [2021-11-19 04:32:42,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.16666666666667) internal successors, (415), 6 states have internal predecessors, (415), 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) [2021-11-19 04:32:42,284 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:32:42,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:32:42,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:32:42,285 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:32:42,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:32:42,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1726816623, now seen corresponding path program 1 times [2021-11-19 04:32:42,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:32:42,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374440311] [2021-11-19 04:32:42,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:32:42,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:32:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:32:42,359 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:32:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:32:42,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:32:42,439 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 04:32:42,441 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-19 04:32:42,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-19 04:32:42,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-19 04:32:42,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-11-19 04:32:42,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:32:42,451 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-19 04:32:42,458 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 04:32:42,458 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 04:32:42,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:32:42 BasicIcfg [2021-11-19 04:32:42,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 04:32:42,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:32:42,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:32:42,554 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:32:42,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:32:40" (3/4) ... [2021-11-19 04:32:42,557 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-19 04:32:42,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 04:32:42,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:32:42,624 INFO L158 Benchmark]: Toolchain (without parser) took 4309.94ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 62.7MB in the beginning and 55.6MB in the end (delta: 7.1MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-11-19 04:32:42,625 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:32:42,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1231.29ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 62.7MB in the beginning and 59.6MB in the end (delta: 3.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2021-11-19 04:32:42,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.66ms. Allocated memory is still 113.2MB. Free memory was 59.6MB in the beginning and 56.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:32:42,627 INFO L158 Benchmark]: Boogie Preprocessor took 70.28ms. Allocated memory is still 113.2MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:32:42,628 INFO L158 Benchmark]: RCFGBuilder took 754.19ms. Allocated memory is still 113.2MB. Free memory was 54.4MB in the beginning and 80.6MB in the end (delta: -26.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-19 04:32:42,629 INFO L158 Benchmark]: TraceAbstraction took 2076.78ms. Allocated memory is still 113.2MB. Free memory was 80.6MB in the beginning and 63.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2021-11-19 04:32:42,629 INFO L158 Benchmark]: Witness Printer took 69.89ms. Allocated memory is still 113.2MB. Free memory was 63.2MB in the beginning and 55.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 04:32:42,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1231.29ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 62.7MB in the beginning and 59.6MB in the end (delta: 3.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.66ms. Allocated memory is still 113.2MB. Free memory was 59.6MB in the beginning and 56.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.28ms. Allocated memory is still 113.2MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 754.19ms. Allocated memory is still 113.2MB. Free memory was 54.4MB in the beginning and 80.6MB in the end (delta: -26.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2076.78ms. Allocated memory is still 113.2MB. Free memory was 80.6MB in the beginning and 63.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 69.89ms. Allocated memory is still 113.2MB. Free memory was 63.2MB in the beginning and 55.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={6:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={7:0}, g=0, mut={6:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={7:0}, g=0, mut={6:0}, t1={9:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={7:0}, g=0, mut={6:0}, t1={9:0}, t2={5:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={7:0}, g=0, mut={6:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, t1={9:0}, t2={5:0}] [L1356] 1 g = 1 VAL [cond={7:0}, g=1, mut={6:0}, ptr={0:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={7:0}, g=1, mut={6:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={9:0}, t2={5:0}] [L1366] 2 g = 0 VAL [cond={7:0}, g=0, mut={6:0}, ptr={0:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, cond={7:0}, g=0, mut={6:0}, ptr={0:0}, ptr={0:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond={7:0}, cond=0, g=0, mut={6:0}, ptr={0:0}, ptr={0:0}] - UnprovableResult [Line: 1377]: 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. - UnprovableResult [Line: 1375]: 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 5 procedures, 125 locations, 4 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: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 25 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=2, 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, 0.5s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 214 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! [2021-11-19 04:32:42,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ceadb-5ea4-43cf-89e2-da82dfe3d80d/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE