./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c --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_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 057ccf24320449dcfcdf9e97b0c54a9a5f5069817cc6fb0974ef7391579d7b26 ................................................................................................................................................................................................................................................................................................................................................................ 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 [2021-10-29 03:16:29,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:16:29,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:16:29,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:16:29,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:16:29,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:16:29,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:16:29,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:16:29,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:16:29,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:16:29,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:16:29,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:16:29,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:16:29,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:16:29,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:16:29,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:16:29,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:16:29,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:16:29,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:16:29,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:16:29,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:16:29,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:16:29,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:16:29,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:16:29,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:16:29,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:16:29,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:16:29,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:16:29,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:16:29,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:16:29,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:16:29,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:16:29,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:16:29,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:16:29,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:16:29,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:16:29,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:16:29,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:16:29,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:16:29,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:16:29,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:16:29,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:16:29,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:16:29,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:16:29,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:16:29,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:16:29,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:16:29,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:16:29,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:16:29,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:16:29,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:16:29,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:16:29,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:16:29,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:16:29,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:16:29,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:16:29,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:16:29,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:16:29,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:16:29,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:16:29,860 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:16:29,860 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:16:29,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:16:29,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:16:29,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:16:29,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:16:29,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:16:29,862 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:16:29,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:16:29,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:16:29,862 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_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 057ccf24320449dcfcdf9e97b0c54a9a5f5069817cc6fb0974ef7391579d7b26 [2021-10-29 03:16:30,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:16:30,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:16:30,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:16:30,243 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:16:30,244 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:16:30,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2021-10-29 03:16:30,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/data/9264c7666/84be5b532742423eb3680d8f8df08f13/FLAG56472c884 [2021-10-29 03:16:30,795 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:16:30,796 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2021-10-29 03:16:30,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/data/9264c7666/84be5b532742423eb3680d8f8df08f13/FLAG56472c884 [2021-10-29 03:16:31,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/data/9264c7666/84be5b532742423eb3680d8f8df08f13 [2021-10-29 03:16:31,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:16:31,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:16:31,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:16:31,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:16:31,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:16:31,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2ccfb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31, skipping insertion in model container [2021-10-29 03:16:31,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:16:31,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:16:31,356 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_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[338,351] [2021-10-29 03:16:31,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:16:31,430 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:16:31,442 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_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[338,351] [2021-10-29 03:16:31,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:16:31,485 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:16:31,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31 WrapperNode [2021-10-29 03:16:31,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:16:31,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:16:31,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:16:31,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:16:31,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:16:31,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:16:31,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:16:31,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:16:31,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:16:31,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:16:31,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:16:31,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:16:31,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:16:31" (1/1) ... [2021-10-29 03:16:31,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:16:31,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:16:31,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:16:31,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:16:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-10-29 03:16:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-10-29 03:16:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:16:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-10-29 03:16:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-10-29 03:16:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-10-29 03:16:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-10-29 03:16:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-10-29 03:16:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-10-29 03:16:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-10-29 03:16:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-10-29 03:16:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-10-29 03:16:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-10-29 03:16:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:16:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-10-29 03:16:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-10-29 03:16:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:16:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:16:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-10-29 03:16:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-10-29 03:16:32,411 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:16:32,412 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-10-29 03:16:32,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:16:32 BoogieIcfgContainer [2021-10-29 03:16:32,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:16:32,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:16:32,416 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:16:32,426 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:16:32,426 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:16:32" (1/1) ... [2021-10-29 03:16:32,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:16:32,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:16:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2021-10-29 03:16:32,509 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-29 03:16:32,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:16:32,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:16:32,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:16:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:16:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:16:32,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:16:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 100 transitions. [2021-10-29 03:16:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2021-10-29 03:16:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:16:32,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:16:32,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:16:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:16:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:16:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:16:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 81 states and 107 transitions. [2021-10-29 03:16:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2021-10-29 03:16:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:16:33,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:16:33,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:16:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:16:33,323 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:16:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:16:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:16:33,471 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:16:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:16:33,549 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2021-10-29 03:16:33,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:16:33 ImpRootNode [2021-10-29 03:16:33,694 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:16:33,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:16:33,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:16:33,696 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:16:33,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:16:32" (3/4) ... [2021-10-29 03:16:33,699 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:16:33,823 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:16:33,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:16:33,826 INFO L168 Benchmark]: Toolchain (without parser) took 2667.78 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 67.7 MB in the beginning and 78.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:16:33,826 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 43.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:16:33,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.52 ms. Allocated memory is still 98.6 MB. Free memory was 67.5 MB in the beginning and 73.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:16:33,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.59 ms. Allocated memory is still 98.6 MB. Free memory was 73.1 MB in the beginning and 71.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:16:33,828 INFO L168 Benchmark]: Boogie Preprocessor took 34.19 ms. Allocated memory is still 98.6 MB. Free memory was 71.1 MB in the beginning and 69.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:16:33,829 INFO L168 Benchmark]: RCFGBuilder took 847.06 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 69.6 MB in the beginning and 94.4 MB in the end (delta: -24.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:16:33,829 INFO L168 Benchmark]: CodeCheck took 1278.41 ms. Allocated memory is still 121.6 MB. Free memory was 94.4 MB in the beginning and 85.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:16:33,830 INFO L168 Benchmark]: Witness Printer took 128.80 ms. Allocated memory is still 121.6 MB. Free memory was 85.5 MB in the beginning and 78.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:16:33,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 190 SDtfs, 48 SDslu, 60 SDs, 0 SdLazy, 72 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 640 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int q_buf_0 ; [L18] int q_free ; [L19] int q_read_ev ; [L20] int q_write_ev ; [L21] int q_req_up ; [L22] int q_ev ; [L43] int p_num_write ; [L44] int p_last_write ; [L45] int p_dw_st ; [L46] int p_dw_pc ; [L47] int p_dw_i ; [L48] int c_num_read ; [L49] int c_last_read ; [L50] int c_dr_st ; [L51] int c_dr_pc ; [L52] int c_dr_i ; [L156] static int a_t ; [L458] int __retres1 ; [L444] q_free = 1 [L445] q_write_ev = 2 [L446] q_read_ev = q_write_ev [L447] p_num_write = 0 [L448] p_dw_pc = 0 [L449] p_dw_i = 1 [L450] c_num_read = 0 [L451] c_dr_pc = 0 [L452] c_dr_i = 1 [L398] int kernel_st ; [L399] int tmp ; [L403] kernel_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L404] CALL update_channels() VAL [\old(q_ev)=0, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L214] COND FALSE !((int )q_req_up == 1) [L404] RET update_channels() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L229] COND TRUE (int )p_dw_i == 1 [L230] p_dw_st = 0 [L234] COND TRUE (int )c_dr_i == 1 [L235] c_dr_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L406] CALL fire_delta_events() VAL [\old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L267] COND FALSE !((int )q_read_ev == 0) [L272] COND FALSE !((int )q_write_ev == 0) [L406] RET fire_delta_events() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L407] CALL activate_threads() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L300] int tmp ; [L301] int tmp___0 ; VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L305] CALL, EXPR is_do_write_p_triggered() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L54] int __retres1 ; VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L57] COND FALSE !((int )p_dw_pc == 1) VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L67] __retres1 = 0 VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L69] return (__retres1); [L305] RET, EXPR is_do_write_p_triggered() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, is_do_write_p_triggered()=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L305] tmp = is_do_write_p_triggered() [L307] COND FALSE !(\read(tmp)) VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0] [L313] CALL, EXPR is_do_read_c_triggered() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L73] int __retres1 ; VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L76] COND FALSE !((int )c_dr_pc == 1) VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L86] __retres1 = 0 VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L88] return (__retres1); [L313] RET, EXPR is_do_read_c_triggered() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, is_do_read_c_triggered()=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0] [L313] tmp___0 = is_do_read_c_triggered() [L315] COND FALSE !(\read(tmp___0)) [L407] RET activate_threads() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L408] CALL reset_delta_events() VAL [\old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L285] COND FALSE !((int )q_read_ev == 1) [L290] COND FALSE !((int )q_write_ev == 1) [L408] RET reset_delta_events() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L411] COND TRUE 1 [L414] kernel_st = 1 [L325] int tmp ; [L326] int tmp___0 ; [L327] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L331] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L334] CALL, EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L244] int __retres1 ; [L247] COND TRUE (int )p_dw_st == 0 [L248] __retres1 = 1 [L260] return (__retres1); [L334] RET, EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L334] tmp___1 = exists_runnable_thread() [L336] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L341] COND TRUE (int )p_dw_st == 0 [L343] tmp = __VERIFIER_nondet_int() [L345] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L351] CALL error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L12] reach_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 43.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.52 ms. Allocated memory is still 98.6 MB. Free memory was 67.5 MB in the beginning and 73.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.59 ms. Allocated memory is still 98.6 MB. Free memory was 73.1 MB in the beginning and 71.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.19 ms. Allocated memory is still 98.6 MB. Free memory was 71.1 MB in the beginning and 69.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 847.06 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 69.6 MB in the beginning and 94.4 MB in the end (delta: -24.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1278.41 ms. Allocated memory is still 121.6 MB. Free memory was 94.4 MB in the beginning and 85.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * Witness Printer took 128.80 ms. Allocated memory is still 121.6 MB. Free memory was 85.5 MB in the beginning and 78.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:16:33,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c96c11-5f7b-4b92-bdd2-82af6fb2d362/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...