./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.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_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/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_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/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_7b806745-aeef-447c-8bc1-3220d50ea7f8/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 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 .................................................................................................................................................................................................................................................................................................................... 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 02:53:49,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:53:49,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:53:49,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:53:49,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:53:49,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:53:49,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:53:49,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:53:49,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:53:49,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:53:49,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:53:49,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:53:49,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:53:49,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:53:49,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:53:49,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:53:49,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:53:49,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:53:49,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:53:49,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:53:49,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:53:49,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:53:49,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:53:49,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:53:49,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:53:49,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:53:49,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:53:49,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:53:49,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:53:49,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:53:49,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:53:49,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:53:49,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:53:49,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:53:49,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:53:49,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:53:49,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:53:49,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:53:49,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:53:49,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:53:49,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:53:49,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:53:49,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:53:49,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:53:49,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:53:49,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:53:49,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:53:49,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:53:49,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:53:49,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:53:49,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:53:49,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:53:49,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:53:49,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:53:49,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:53:49,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:53:49,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:53:49,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:53:49,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:53:49,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:53:49,635 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:53:49,636 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:53:49,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:53:49,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:49,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:53:49,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:53:49,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:53:49,637 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:53:49,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:53:49,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:53:49,638 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_7b806745-aeef-447c-8bc1-3220d50ea7f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 [2021-10-29 02:53:49,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:53:49,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:53:49,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:53:49,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:53:49,977 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:53:49,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-10-29 02:53:50,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/data/ff7eeab21/e4104e7411d3493b96693a7b6d42d9c6/FLAGdd2cc8762 [2021-10-29 02:53:50,605 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:53:50,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-10-29 02:53:50,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/data/ff7eeab21/e4104e7411d3493b96693a7b6d42d9c6/FLAGdd2cc8762 [2021-10-29 02:53:50,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/data/ff7eeab21/e4104e7411d3493b96693a7b6d42d9c6 [2021-10-29 02:53:50,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:53:50,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:53:50,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:50,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:53:50,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:53:50,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:50" (1/1) ... [2021-10-29 02:53:50,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330acecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:50, skipping insertion in model container [2021-10-29 02:53:50,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:50" (1/1) ... [2021-10-29 02:53:50,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:53:51,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:53:51,215 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_7b806745-aeef-447c-8bc1-3220d50ea7f8/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-10-29 02:53:51,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:51,321 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:53:51,350 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_7b806745-aeef-447c-8bc1-3220d50ea7f8/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-10-29 02:53:51,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:51,472 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:53:51,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51 WrapperNode [2021-10-29 02:53:51,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:51,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:51,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:53:51,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:53:51,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:51,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:53:51,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:53:51,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:53:51,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:53:51,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:53:51,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:53:51,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:53:51,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:51,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:53:51,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:53:51,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:53:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:53:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 02:53:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 02:53:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 02:53:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 02:53:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 02:53:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 02:53:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 02:53:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 02:53:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:53:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 02:53:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 02:53:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:53:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:53:53,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:53:53,144 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-29 02:53:53,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:53 BoogieIcfgContainer [2021-10-29 02:53:53,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:53:53,148 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:53:53,149 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:53:53,160 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:53:53,160 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:53:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2021-10-29 02:53:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2021-10-29 02:53:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:53:53,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:53,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:53,520 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 02:53:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2021-10-29 02:53:53,540 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-10-29 02:53:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 02:53:53,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:53,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:53,689 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 02:53:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2021-10-29 02:53:53,713 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2021-10-29 02:53:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 02:53:53,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:53,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:53,897 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 02:53:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2021-10-29 02:53:54,269 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2021-10-29 02:53:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 02:53:54,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:54,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:53:54,403 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:53:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:53:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:53:54,763 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:53:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:53:55,026 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-10-29 02:53:55,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:53:55 ImpRootNode [2021-10-29 02:53:55,143 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:53:55,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:53:55,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:53:55,144 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:53:55,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:53" (3/4) ... [2021-10-29 02:53:55,146 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 02:53:55,222 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:53:55,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:53:55,224 INFO L168 Benchmark]: Toolchain (without parser) took 4303.23 ms. Allocated memory was 117.4 MB in the beginning and 157.3 MB in the end (delta: 39.8 MB). Free memory was 74.8 MB in the beginning and 110.8 MB in the end (delta: -35.9 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:55,225 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 117.4 MB. Free memory is still 92.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:53:55,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.16 ms. Allocated memory is still 117.4 MB. Free memory was 74.6 MB in the beginning and 84.1 MB in the end (delta: -9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:55,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.95 ms. Allocated memory is still 117.4 MB. Free memory was 84.1 MB in the beginning and 82.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:55,226 INFO L168 Benchmark]: Boogie Preprocessor took 52.89 ms. Allocated memory is still 117.4 MB. Free memory was 82.0 MB in the beginning and 80.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:55,227 INFO L168 Benchmark]: RCFGBuilder took 1550.94 ms. Allocated memory was 117.4 MB in the beginning and 157.3 MB in the end (delta: 39.8 MB). Free memory was 80.0 MB in the beginning and 126.8 MB in the end (delta: -46.8 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:55,228 INFO L168 Benchmark]: CodeCheck took 1994.31 ms. Allocated memory is still 157.3 MB. Free memory was 126.8 MB in the beginning and 119.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:55,228 INFO L168 Benchmark]: Witness Printer took 79.64 ms. Allocated memory is still 157.3 MB. Free memory was 119.1 MB in the beginning and 110.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:55,231 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 6 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 40 SDslu, 68 SDs, 0 SdLazy, 78 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 312]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L390] int retValue_acc ; [L391] int tmp ; [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L179] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L191] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 [L191] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L287] tmp___0 = getWaterLevel() [L289] COND TRUE tmp___0 == 2 [L121] int retValue_acc ; [L124] retValue_acc = pumpRunning [L125] return (retValue_acc); [L291] tmp___1 = isPumpRunning() [L293] COND FALSE !(\read(tmp___1)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] reach_error() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 117.4 MB. Free memory is still 92.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 547.16 ms. Allocated memory is still 117.4 MB. Free memory was 74.6 MB in the beginning and 84.1 MB in the end (delta: -9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.95 ms. Allocated memory is still 117.4 MB. Free memory was 84.1 MB in the beginning and 82.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.89 ms. Allocated memory is still 117.4 MB. Free memory was 82.0 MB in the beginning and 80.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1550.94 ms. Allocated memory was 117.4 MB in the beginning and 157.3 MB in the end (delta: 39.8 MB). Free memory was 80.0 MB in the beginning and 126.8 MB in the end (delta: -46.8 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. * CodeCheck took 1994.31 ms. Allocated memory is still 157.3 MB. Free memory was 126.8 MB in the beginning and 119.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Witness Printer took 79.64 ms. Allocated memory is still 157.3 MB. Free memory was 119.1 MB in the beginning and 110.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 02:53:55,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b806745-aeef-447c-8bc1-3220d50ea7f8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...