/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 01:59:27,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 01:59:27,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 01:59:27,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 01:59:27,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 01:59:27,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 01:59:27,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 01:59:27,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 01:59:27,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 01:59:27,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 01:59:27,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 01:59:27,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 01:59:27,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 01:59:27,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 01:59:27,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 01:59:27,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 01:59:27,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 01:59:27,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 01:59:27,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 01:59:27,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 01:59:27,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 01:59:27,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 01:59:27,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 01:59:27,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 01:59:27,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 01:59:27,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 01:59:27,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 01:59:27,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 01:59:27,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 01:59:27,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 01:59:27,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 01:59:27,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 01:59:27,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 01:59:27,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 01:59:27,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 01:59:27,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 01:59:27,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 01:59:27,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 01:59:27,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 01:59:27,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 01:59:27,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 01:59:27,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-16 01:59:27,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 01:59:27,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 01:59:27,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 01:59:27,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 01:59:27,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 01:59:27,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 01:59:27,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 01:59:27,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 01:59:27,685 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 01:59:27,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 01:59:27,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 01:59:27,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 01:59:27,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 01:59:27,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 01:59:27,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 01:59:27,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 01:59:27,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 01:59:27,687 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 01:59:27,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 01:59:27,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 01:59:27,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 01:59:27,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 01:59:27,688 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 01:59:27,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 01:59:27,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 01:59:27,688 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 01:59:27,688 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 01:59:27,688 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 01:59:27,688 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 01:59:27,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 01:59:27,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 01:59:27,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 01:59:27,908 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 01:59:27,912 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 01:59:27,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-03-16 01:59:27,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980321642/71f13e6926bf4e6e920939942f5e0b12/FLAGa5279baf8 [2022-03-16 01:59:28,344 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 01:59:28,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-03-16 01:59:28,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980321642/71f13e6926bf4e6e920939942f5e0b12/FLAGa5279baf8 [2022-03-16 01:59:28,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980321642/71f13e6926bf4e6e920939942f5e0b12 [2022-03-16 01:59:28,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 01:59:28,741 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 01:59:28,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 01:59:28,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 01:59:28,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 01:59:28,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 01:59:28" (1/1) ... [2022-03-16 01:59:28,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325b2f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:28, skipping insertion in model container [2022-03-16 01:59:28,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 01:59:28" (1/1) ... [2022-03-16 01:59:28,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 01:59:28,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 01:59:28,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-03-16 01:59:29,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 01:59:29,091 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 01:59:29,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-03-16 01:59:29,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 01:59:29,159 INFO L208 MainTranslator]: Completed translation [2022-03-16 01:59:29,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29 WrapperNode [2022-03-16 01:59:29,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 01:59:29,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 01:59:29,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 01:59:29,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 01:59:29,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,207 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-03-16 01:59:29,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 01:59:29,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 01:59:29,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 01:59:29,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 01:59:29,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 01:59:29,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 01:59:29,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 01:59:29,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 01:59:29,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (1/1) ... [2022-03-16 01:59:29,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 01:59:29,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 01:59:29,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 01:59:29,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 01:59:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 01:59:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 01:59:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-16 01:59:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 01:59:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 01:59:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-16 01:59:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-16 01:59:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 01:59:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 01:59:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 01:59:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 01:59:29,297 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 01:59:29,361 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 01:59:29,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 01:59:29,522 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 01:59:29,535 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 01:59:29,536 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 01:59:29,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 01:59:29 BoogieIcfgContainer [2022-03-16 01:59:29,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 01:59:29,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 01:59:29,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 01:59:29,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 01:59:29,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 01:59:28" (1/3) ... [2022-03-16 01:59:29,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281b9de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 01:59:29, skipping insertion in model container [2022-03-16 01:59:29,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:29" (2/3) ... [2022-03-16 01:59:29,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281b9de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 01:59:29, skipping insertion in model container [2022-03-16 01:59:29,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 01:59:29" (3/3) ... [2022-03-16 01:59:29,543 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-03-16 01:59:29,560 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 01:59:29,560 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 01:59:29,560 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 01:59:29,560 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 01:59:29,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,583 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,583 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,588 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,589 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:29,592 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-16 01:59:29,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 01:59:29,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 01:59:29,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 01:59:29,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 01:59:29,657 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 01:59:29,664 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-16 01:59:29,664 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-16 01:59:29,824 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-03-16 01:59:29,826 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-16 01:59:29,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 01:59:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-03-16 01:59:29,838 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 01:59:29,838 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353505959] [2022-03-16 01:59:29,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 01:59:29,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 01:59:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 01:59:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 01:59:30,084 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 01:59:30,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353505959] [2022-03-16 01:59:30,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353505959] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 01:59:30,085 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 01:59:30,085 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 01:59:30,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818284002] [2022-03-16 01:59:30,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 01:59:30,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 01:59:30,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 01:59:30,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 01:59:30,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-16 01:59:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 01:59:30,110 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 01:59:30,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 01:59:30,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 01:59:30,440 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 151 transitions and produced 105 states. [2022-03-16 01:59:30,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 01:59:30,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 01:59:30,441 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-16 01:59:30,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 01:59:30,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1476516800, now seen corresponding path program 1 times [2022-03-16 01:59:30,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 01:59:30,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173189942] [2022-03-16 01:59:30,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 01:59:30,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 01:59:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 01:59:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 01:59:30,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 01:59:30,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173189942] [2022-03-16 01:59:30,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173189942] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 01:59:30,606 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 01:59:30,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 01:59:30,607 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127895801] [2022-03-16 01:59:30,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 01:59:30,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 01:59:30,608 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 01:59:30,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 01:59:30,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-16 01:59:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 01:59:30,614 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 01:59:30,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 01:59:30,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 01:59:30,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 01:59:30,837 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 138 transitions and produced 111 states. [2022-03-16 01:59:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 01:59:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 01:59:30,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 01:59:30,838 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-16 01:59:30,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 01:59:30,839 INFO L85 PathProgramCache]: Analyzing trace with hash 576623755, now seen corresponding path program 1 times [2022-03-16 01:59:30,839 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 01:59:30,839 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701089128] [2022-03-16 01:59:30,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 01:59:30,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 01:59:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 01:59:30,862 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 01:59:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 01:59:30,886 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 01:59:30,886 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 01:59:30,887 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-16 01:59:30,888 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-16 01:59:30,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 01:59:30,893 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-16 01:59:30,895 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 01:59:30,895 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 01:59:30,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 01:59:30 BasicIcfg [2022-03-16 01:59:30,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 01:59:30,914 INFO L158 Benchmark]: Toolchain (without parser) took 2172.75ms. Allocated memory was 180.4MB in the beginning and 261.1MB in the end (delta: 80.7MB). Free memory was 129.1MB in the beginning and 225.3MB in the end (delta: -96.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 01:59:30,915 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 01:59:30,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.77ms. Allocated memory is still 180.4MB. Free memory was 128.9MB in the beginning and 148.9MB in the end (delta: -20.0MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2022-03-16 01:59:30,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.64ms. Allocated memory is still 180.4MB. Free memory was 148.9MB in the beginning and 147.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 01:59:30,916 INFO L158 Benchmark]: Boogie Preprocessor took 22.02ms. Allocated memory is still 180.4MB. Free memory was 147.1MB in the beginning and 145.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 01:59:30,916 INFO L158 Benchmark]: RCFGBuilder took 306.88ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 133.7MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-16 01:59:30,916 INFO L158 Benchmark]: TraceAbstraction took 1375.57ms. Allocated memory was 180.4MB in the beginning and 261.1MB in the end (delta: 80.7MB). Free memory was 133.5MB in the beginning and 225.3MB in the end (delta: -91.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 01:59:30,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 406.77ms. Allocated memory is still 180.4MB. Free memory was 128.9MB in the beginning and 148.9MB in the end (delta: -20.0MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.64ms. Allocated memory is still 180.4MB. Free memory was 148.9MB in the beginning and 147.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.02ms. Allocated memory is still 180.4MB. Free memory was 147.1MB in the beginning and 145.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 306.88ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 133.7MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1375.57ms. Allocated memory was 180.4MB in the beginning and 261.1MB in the end (delta: 80.7MB). Free memory was 133.5MB in the beginning and 225.3MB in the end (delta: -91.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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 glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-16 01:59:30,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-16 01:59:31,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...