/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_18-first-reads_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 20:22:40,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 20:22:40,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 20:22:40,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-01 20:22:40,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-01 20:22:40,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-01 20:22:40,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-01 20:22:40,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-01 20:22:40,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-01 20:22:40,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-01 20:22:40,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-01 20:22:40,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-01 20:22:40,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 20:22:40,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 20:22:40,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 20:22:40,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 20:22:40,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 20:22:40,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 20:22:40,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 20:22:40,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 20:22:40,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 20:22:40,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 20:22:40,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 20:22:40,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 20:22:40,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-01 20:22:40,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-01 20:22:40,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-01 20:22:40,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-01 20:22:40,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-01 20:22:40,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-01 20:22:40,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-01 20:22:40,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-01 20:22:40,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-01 20:22:40,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-01 20:22:40,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-01 20:22:40,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-01 20:22:40,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-01 20:22:40,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-01 20:22:40,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 20:22:40,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 20:22:40,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 20:22:40,237 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 [2022-03-01 20:22:40,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 20:22:40,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 20:22:40,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 20:22:40,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 20:22:40,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 20:22:40,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 20:22:40,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 20:22:40,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 20:22:40,262 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 20:22:40,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 20:22:40,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 20:22:40,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 20:22:40,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 20:22:40,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 20:22:40,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 20:22:40,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 20:22:40,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 20:22:40,264 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 20:22:40,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 20:22:40,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 20:22:40,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 20:22:40,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 20:22:40,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 20:22:40,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 20:22:40,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 20:22:40,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 20:22:40,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 20:22:40,266 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 20:22:40,267 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 20:22:40,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 20:22:40,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 20:22:40,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 20:22:40,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 20:22:40,469 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 20:22:40,487 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 20:22:40,488 INFO L432 ainManager$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_pos.i [2022-03-01 20:22:40,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce72ec51b/5cc49a8ef4ed409092d217ef7b0e5707/FLAG9d5e09b64 [2022-03-01 20:22:40,918 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 20:22:40,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-03-01 20:22:40,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce72ec51b/5cc49a8ef4ed409092d217ef7b0e5707/FLAG9d5e09b64 [2022-03-01 20:22:40,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce72ec51b/5cc49a8ef4ed409092d217ef7b0e5707 [2022-03-01 20:22:40,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 20:22:40,939 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 20:22:40,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 20:22:40,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 20:22:40,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 20:22:40,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 08:22:40" (1/1) ... [2022-03-01 20:22:40,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d561e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:40, skipping insertion in model container [2022-03-01 20:22:40,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 08:22:40" (1/1) ... [2022-03-01 20:22:40,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 20:22:40,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 20:22:41,131 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_pos.i[1097,1110] [2022-03-01 20:22:41,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 20:22:41,206 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 20:22:41,213 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_pos.i[1097,1110] [2022-03-01 20:22:41,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 20:22:41,260 INFO L208 MainTranslator]: Completed translation [2022-03-01 20:22:41,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41 WrapperNode [2022-03-01 20:22:41,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 20:22:41,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 20:22:41,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 20:22:41,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 20:22:41,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,307 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-03-01 20:22:41,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 20:22:41,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 20:22:41,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 20:22:41,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 20:22:41,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 20:22:41,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 20:22:41,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 20:22:41,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 20:22:41,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (1/1) ... [2022-03-01 20:22:41,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 20:22:41,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 20:22:41,368 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) [2022-03-01 20:22:41,387 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 [2022-03-01 20:22:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 20:22:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 20:22:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 20:22:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 20:22:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 20:22:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 20:22:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 20:22:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 20:22:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 20:22:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 20:22:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 20:22:41,403 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 20:22:41,502 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 20:22:41,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 20:22:41,619 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 20:22:41,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 20:22:41,627 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 20:22:41,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 08:22:41 BoogieIcfgContainer [2022-03-01 20:22:41,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 20:22:41,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 20:22:41,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 20:22:41,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 20:22:41,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 08:22:40" (1/3) ... [2022-03-01 20:22:41,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674a0543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 08:22:41, skipping insertion in model container [2022-03-01 20:22:41,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 08:22:41" (2/3) ... [2022-03-01 20:22:41,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674a0543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 08:22:41, skipping insertion in model container [2022-03-01 20:22:41,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 08:22:41" (3/3) ... [2022-03-01 20:22:41,634 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_pos.i [2022-03-01 20:22:41,637 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 20:22:41,637 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 20:22:41,638 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 20:22:41,638 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 20:22:41,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 20:22:41,711 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-01 20:22:41,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 20:22:41,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 20:22:41,756 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) [2022-03-01 20:22:41,784 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 [2022-03-01 20:22:41,806 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 20:22:41,811 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 [2022-03-01 20:22:41,811 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-01 20:22:41,853 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-03-01 20:22:41,855 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-01 20:22:41,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 20:22:41,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1940237584, now seen corresponding path program 1 times [2022-03-01 20:22:41,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 20:22:41,866 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619648101] [2022-03-01 20:22:41,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 20:22:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 20:22:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 20:22:41,979 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 20:22:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 20:22:42,022 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 20:22:42,023 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 20:22:42,024 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-01 20:22:42,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-01 20:22:42,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-01 20:22:42,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 20:22:42,032 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-01 20:22:42,035 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 20:22:42,036 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 20:22:42,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 08:22:42 BasicIcfg [2022-03-01 20:22:42,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 20:22:42,069 INFO L158 Benchmark]: Toolchain (without parser) took 1129.47ms. Allocated memory was 213.9MB in the beginning and 331.4MB in the end (delta: 117.4MB). Free memory was 161.3MB in the beginning and 252.1MB in the end (delta: -90.8MB). Peak memory consumption was 24.9MB. Max. memory is 8.0GB. [2022-03-01 20:22:42,069 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 213.9MB. Free memory was 179.6MB in the beginning and 179.5MB in the end (delta: 72.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 20:22:42,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.79ms. Allocated memory was 213.9MB in the beginning and 331.4MB in the end (delta: 117.4MB). Free memory was 161.1MB in the beginning and 298.7MB in the end (delta: -137.6MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-03-01 20:22:42,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.02ms. Allocated memory is still 331.4MB. Free memory was 298.7MB in the beginning and 296.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 20:22:42,071 INFO L158 Benchmark]: Boogie Preprocessor took 24.12ms. Allocated memory is still 331.4MB. Free memory was 296.7MB in the beginning and 295.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 20:22:42,071 INFO L158 Benchmark]: RCFGBuilder took 295.35ms. Allocated memory is still 331.4MB. Free memory was 295.6MB in the beginning and 282.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-01 20:22:42,071 INFO L158 Benchmark]: TraceAbstraction took 438.64ms. Allocated memory is still 331.4MB. Free memory was 282.0MB in the beginning and 252.1MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-03-01 20:22:42,074 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 213.9MB. Free memory was 179.6MB in the beginning and 179.5MB in the end (delta: 72.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 319.79ms. Allocated memory was 213.9MB in the beginning and 331.4MB in the end (delta: 117.4MB). Free memory was 161.1MB in the beginning and 298.7MB in the end (delta: -137.6MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.02ms. Allocated memory is still 331.4MB. Free memory was 298.7MB in the beginning and 296.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.12ms. Allocated memory is still 331.4MB. Free memory was 296.7MB in the beginning and 295.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 295.35ms. Allocated memory is still 331.4MB. Free memory was 295.6MB in the beginning and 282.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 438.64ms. Allocated memory is still 331.4MB. Free memory was 282.0MB in the beginning and 252.1MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. 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()=42, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L687] COND TRUE 1 t == 42 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L688] 1 glob1 = 1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=42] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=1] [L691] CALL 1 __VERIFIER_assert(t == 0) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-01 20:22:42,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-03-01 20:22:42,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...