/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 16:15:20,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 16:15:20,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 16:15:20,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 16:15:20,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 16:15:20,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 16:15:20,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 16:15:20,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 16:15:20,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 16:15:20,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 16:15:20,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 16:15:20,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 16:15:20,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 16:15:20,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 16:15:20,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 16:15:20,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 16:15:20,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 16:15:20,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 16:15:20,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 16:15:20,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 16:15:20,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 16:15:20,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 16:15:20,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 16:15:20,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 16:15:20,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 16:15:20,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 16:15:20,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 16:15:20,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 16:15:20,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 16:15:20,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 16:15:20,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 16:15:20,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 16:15:20,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 16:15:20,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 16:15:20,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 16:15:20,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 16:15:20,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 16:15:20,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 16:15:20,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 16:15:20,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 16:15:20,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 16:15:20,181 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 16:15:20,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 16:15:20,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 16:15:20,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 16:15:20,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 16:15:20,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 16:15:20,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 16:15:20,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 16:15:20,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 16:15:20,214 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 16:15:20,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 16:15:20,215 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 16:15:20,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 16:15:20,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 16:15:20,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 16:15:20,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 16:15:20,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 16:15:20,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 16:15:20,216 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 16:15:20,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 16:15:20,216 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 16:15:20,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 16:15:20,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 16:15:20,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 16:15:20,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 16:15:20,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 16:15:20,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 16:15:20,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 16:15:20,217 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 16:15:20,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 16:15:20,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 16:15:20,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 16:15:20,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 16:15:20,218 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 16:15:20,218 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 16:15:20,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 16:15:20,219 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 16:15:20,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 16:15:20,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 16:15:20,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 16:15:20,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 16:15:20,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 16:15:20,488 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 16:15:20,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2022-03-16 16:15:20,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3cd1ae9e/20665bfa347b42ea877b8cdf513c409a/FLAG49d52950b [2022-03-16 16:15:21,037 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 16:15:21,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2022-03-16 16:15:21,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3cd1ae9e/20665bfa347b42ea877b8cdf513c409a/FLAG49d52950b [2022-03-16 16:15:21,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3cd1ae9e/20665bfa347b42ea877b8cdf513c409a [2022-03-16 16:15:21,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 16:15:21,577 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 16:15:21,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 16:15:21,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 16:15:21,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 16:15:21,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:15:21" (1/1) ... [2022-03-16 16:15:21,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175b840e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:21, skipping insertion in model container [2022-03-16 16:15:21,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:15:21" (1/1) ... [2022-03-16 16:15:21,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 16:15:21,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 16:15:21,874 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_18-first-reads_unknown_1_neg.i[1097,1110] [2022-03-16 16:15:22,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 16:15:22,056 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 16:15:22,069 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_18-first-reads_unknown_1_neg.i[1097,1110] [2022-03-16 16:15:22,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 16:15:22,142 INFO L208 MainTranslator]: Completed translation [2022-03-16 16:15:22,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22 WrapperNode [2022-03-16 16:15:22,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 16:15:22,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 16:15:22,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 16:15:22,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 16:15:22,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,200 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-03-16 16:15:22,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 16:15:22,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 16:15:22,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 16:15:22,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 16:15:22,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 16:15:22,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 16:15:22,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 16:15:22,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 16:15:22,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (1/1) ... [2022-03-16 16:15:22,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 16:15:22,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:22,260 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 16:15:22,271 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 16:15:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 16:15:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 16:15:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-16 16:15:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 16:15:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 16:15:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-16 16:15:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-16 16:15:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 16:15:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 16:15:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 16:15:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 16:15:22,295 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 16:15:22,382 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 16:15:22,384 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 16:15:22,500 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 16:15:22,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 16:15:22,505 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 16:15:22,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 04:15:22 BoogieIcfgContainer [2022-03-16 16:15:22,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 16:15:22,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 16:15:22,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 16:15:22,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 16:15:22,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:15:21" (1/3) ... [2022-03-16 16:15:22,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4e8098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:15:22, skipping insertion in model container [2022-03-16 16:15:22,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:22" (2/3) ... [2022-03-16 16:15:22,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4e8098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:15:22, skipping insertion in model container [2022-03-16 16:15:22,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 04:15:22" (3/3) ... [2022-03-16 16:15:22,513 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2022-03-16 16:15:22,517 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 16:15:22,517 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 16:15:22,518 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 16:15:22,518 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 16:15:22,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:22,594 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-16 16:15:22,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 16:15:22,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:22,654 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 16:15:22,689 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 16:15:22,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 16:15:22,701 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=true, mMcrOverapproximateWrwc=true [2022-03-16 16:15:22,701 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 16:15:22,978 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-03-16 16:15:22,981 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 16:15:22,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:22,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1940237584, now seen corresponding path program 1 times [2022-03-16 16:15:22,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:22,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511274203] [2022-03-16 16:15:22,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:22,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:23,309 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 16:15:23,309 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:23,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511274203] [2022-03-16 16:15:23,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511274203] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 16:15:23,310 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 16:15:23,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 16:15:23,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103939243] [2022-03-16 16:15:23,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 16:15:23,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 16:15:23,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:23,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 16:15:23,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 16:15:23,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:23,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:23,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 16:15:23,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:23,596 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59 transitions and produced 60 states. [2022-03-16 16:15:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 16:15:23,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 16:15:23,599 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 16:15:23,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash -741197526, now seen corresponding path program 1 times [2022-03-16 16:15:23,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:23,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489994238] [2022-03-16 16:15:23,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:23,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 16:15:23,667 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 16:15:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 16:15:23,725 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 16:15:23,726 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 16:15:23,727 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-16 16:15:23,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 16:15:23,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-16 16:15:23,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 16:15:23,735 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-16 16:15:23,739 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 16:15:23,739 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 16:15:23,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:15:23 BasicIcfg [2022-03-16 16:15:23,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 16:15:23,767 INFO L158 Benchmark]: Toolchain (without parser) took 2189.41ms. Allocated memory was 188.7MB in the beginning and 256.9MB in the end (delta: 68.2MB). Free memory was 131.5MB in the beginning and 92.4MB in the end (delta: 39.1MB). Peak memory consumption was 108.7MB. Max. memory is 8.0GB. [2022-03-16 16:15:23,767 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 16:15:23,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.12ms. Allocated memory was 188.7MB in the beginning and 256.9MB in the end (delta: 68.2MB). Free memory was 131.3MB in the beginning and 218.8MB in the end (delta: -87.5MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-16 16:15:23,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.55ms. Allocated memory is still 256.9MB. Free memory was 218.8MB in the beginning and 216.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 16:15:23,769 INFO L158 Benchmark]: Boogie Preprocessor took 21.28ms. Allocated memory is still 256.9MB. Free memory was 216.8MB in the beginning and 215.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 16:15:23,769 INFO L158 Benchmark]: RCFGBuilder took 283.81ms. Allocated memory is still 256.9MB. Free memory was 215.8MB in the beginning and 203.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-16 16:15:23,770 INFO L158 Benchmark]: TraceAbstraction took 1257.59ms. Allocated memory is still 256.9MB. Free memory was 203.2MB in the beginning and 92.4MB in the end (delta: 110.8MB). Peak memory consumption was 111.9MB. Max. memory is 8.0GB. [2022-03-16 16:15:23,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 564.12ms. Allocated memory was 188.7MB in the beginning and 256.9MB in the end (delta: 68.2MB). Free memory was 131.3MB in the beginning and 218.8MB in the end (delta: -87.5MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.55ms. Allocated memory is still 256.9MB. Free memory was 218.8MB in the beginning and 216.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.28ms. Allocated memory is still 256.9MB. Free memory was 216.8MB in the beginning and 215.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 283.81ms. Allocated memory is still 256.9MB. Free memory was 215.8MB in the beginning and 203.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1257.59ms. Allocated memory is still 256.9MB. Free memory was 203.2MB in the beginning and 92.4MB in the end (delta: 110.8MB). Peak memory consumption was 111.9MB. 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: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L701] 0 \read(id) VAL [\read(id)=-1, glob1=0, id={5:0}, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] CALL 1 __VERIFIER_assert(!(t == 0)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - UnprovableResult [Line: 698]: 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, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 16:15:23,809 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 16:15:24,021 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...