./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0 --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 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:34:45,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:34:45,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:34:45,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:34:45,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:34:45,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:34:45,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:34:45,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:34:45,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:34:45,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:34:45,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:34:45,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:34:45,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:34:45,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:34:45,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:34:45,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:34:45,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:34:45,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:34:45,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:34:45,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:34:45,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:34:45,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:34:45,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:34:45,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:34:45,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:34:45,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:34:45,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:34:45,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:34:45,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:34:45,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:34:45,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:34:45,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:34:45,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:34:45,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:34:45,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:34:45,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:34:45,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:34:45,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:34:45,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:34:45,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:34:45,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:34:45,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 14:34:45,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:34:45,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:34:45,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:34:45,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:34:45,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:34:45,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:34:45,814 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:34:45,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:34:45,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:34:45,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:34:45,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:34:45,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:34:45,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:34:45,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:34:45,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:34:45,816 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:34:45,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:34:45,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:34:45,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:34:45,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:34:45,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:34:45,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:34:45,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:34:45,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:34:45,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:34:45,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:34:45,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:34:45,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:34:45,819 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:34:45,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:34:45,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:34:45,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:34:45,820 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_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c [2021-11-22 14:34:46,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:34:46,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:34:46,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:34:46,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:34:46,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:34:46,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2021-11-22 14:34:46,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/data/01a753af2/b47000f3134b4e7c890d03c2f448fdcf/FLAG2addda9d4 [2021-11-22 14:34:46,720 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:34:46,721 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2021-11-22 14:34:46,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/data/01a753af2/b47000f3134b4e7c890d03c2f448fdcf/FLAG2addda9d4 [2021-11-22 14:34:47,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/data/01a753af2/b47000f3134b4e7c890d03c2f448fdcf [2021-11-22 14:34:47,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:34:47,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:34:47,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:34:47,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:34:47,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:34:47,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16394dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47, skipping insertion in model container [2021-11-22 14:34:47,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:34:47,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:34:47,276 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_d23cc177-2718-4f83-b85a-14c1cd931d43/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2021-11-22 14:34:47,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:34:47,454 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:34:47,469 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_d23cc177-2718-4f83-b85a-14c1cd931d43/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2021-11-22 14:34:47,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:34:47,555 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:34:47,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47 WrapperNode [2021-11-22 14:34:47,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:34:47,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:34:47,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:34:47,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:34:47,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,617 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2021-11-22 14:34:47,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:34:47,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:34:47,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:34:47,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:34:47,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:34:47,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:34:47,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:34:47,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:34:47,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (1/1) ... [2021-11-22 14:34:47,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:34:47,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:34:47,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:34:47,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:34:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:34:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-22 14:34:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:34:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:34:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-22 14:34:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-22 14:34:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:34:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:34:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:34:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:34:47,760 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 14:34:47,864 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:34:47,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:34:48,011 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:34:48,018 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:34:48,018 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 14:34:48,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:34:48 BoogieIcfgContainer [2021-11-22 14:34:48,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:34:48,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:34:48,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:34:48,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:34:48,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:34:47" (1/3) ... [2021-11-22 14:34:48,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1482447e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:34:48, skipping insertion in model container [2021-11-22 14:34:48,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47" (2/3) ... [2021-11-22 14:34:48,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1482447e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:34:48, skipping insertion in model container [2021-11-22 14:34:48,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:34:48" (3/3) ... [2021-11-22 14:34:48,029 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2021-11-22 14:34:48,034 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 14:34:48,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:34:48,035 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 14:34:48,035 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 14:34:48,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,062 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,062 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,062 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,062 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,069 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:34:48,072 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-22 14:34:48,122 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:34:48,130 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 [2021-11-22 14:34:48,130 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-22 14:34:48,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 66 transitions, 137 flow [2021-11-22 14:34:48,185 INFO L129 PetriNetUnfolder]: 1/65 cut-off events. [2021-11-22 14:34:48,185 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 14:34:48,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 1/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2021-11-22 14:34:48,189 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 66 transitions, 137 flow [2021-11-22 14:34:48,195 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 113 flow [2021-11-22 14:34:48,223 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2021-11-22 14:34:48,223 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 14:34:48,224 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:34:48,224 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] [2021-11-22 14:34:48,225 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-22 14:34:48,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:34:48,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times [2021-11-22 14:34:48,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:34:48,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029766520] [2021-11-22 14:34:48,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:34:48,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:34:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:34:48,455 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:34:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:34:48,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:34:48,517 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 14:34:48,519 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-22 14:34:48,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-22 14:34:48,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:34:48,530 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-22 14:34:48,537 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-22 14:34:48,537 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 14:34:48,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:34:48 BasicIcfg [2021-11-22 14:34:48,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 14:34:48,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:34:48,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:34:48,606 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:34:48,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:34:48" (3/4) ... [2021-11-22 14:34:48,609 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 14:34:48,701 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 14:34:48,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:34:48,706 INFO L158 Benchmark]: Toolchain (without parser) took 1698.80ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 57.1MB in the beginning and 88.8MB in the end (delta: -31.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-11-22 14:34:48,707 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:34:48,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.85ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 57.0MB in the beginning and 83.7MB in the end (delta: -26.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 14:34:48,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.00ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:34:48,714 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.6MB in the end (delta: 982.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:34:48,714 INFO L158 Benchmark]: RCFGBuilder took 368.09ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 69.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 14:34:48,715 INFO L158 Benchmark]: TraceAbstraction took 557.39ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 43.4MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-22 14:34:48,715 INFO L158 Benchmark]: Witness Printer took 123.42ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 88.8MB in the end (delta: -45.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-11-22 14:34:48,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.85ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 57.0MB in the beginning and 83.7MB in the end (delta: -26.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.00ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.6MB in the end (delta: 982.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.09ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 69.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 557.39ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 43.4MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 123.42ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 88.8MB in the end (delta: -45.4MB). Peak memory consumption was 4.9MB. 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: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2021-11-22 14:34:48,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23cc177-2718-4f83-b85a-14c1cd931d43/bin/uautomizer-w2VwFs6gM0/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