/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 21:58:39,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 21:58:39,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 21:58:39,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 21:58:39,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 21:58:39,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 21:58:39,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 21:58:39,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 21:58:39,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 21:58:39,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 21:58:39,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 21:58:39,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 21:58:39,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 21:58:39,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 21:58:39,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 21:58:39,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 21:58:39,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 21:58:39,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 21:58:39,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 21:58:39,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 21:58:39,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 21:58:39,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 21:58:39,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 21:58:39,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 21:58:39,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 21:58:39,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 21:58:39,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 21:58:39,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 21:58:39,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 21:58:39,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 21:58:39,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 21:58:39,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 21:58:39,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 21:58:39,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 21:58:39,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 21:58:39,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 21:58:39,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 21:58:39,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 21:58:39,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 21:58:39,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 21:58:39,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 21:58:39,251 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-FA-NoLbe.epf [2022-02-10 21:58:39,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 21:58:39,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 21:58:39,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 21:58:39,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 21:58:39,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 21:58:39,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 21:58:39,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 21:58:39,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 21:58:39,268 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 21:58:39,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 21:58:39,268 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 21:58:39,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 21:58:39,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 21:58:39,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 21:58:39,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 21:58:39,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 21:58:39,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 21:58:39,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 21:58:39,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 21:58:39,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 21:58:39,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 21:58:39,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 21:58:39,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 21:58:39,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 21:58:39,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 21:58:39,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:58:39,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 21:58:39,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 21:58:39,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 21:58:39,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 21:58:39,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 21:58:39,279 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 21:58:39,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 21:58:39,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 21:58:39,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 21:58:39,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 21:58:39,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 21:58:39,464 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 21:58:39,465 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 21:58:39,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-02-10 21:58:39,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9447efbac/57731465742a4478947f534fa3ca03d3/FLAGbe1019345 [2022-02-10 21:58:39,853 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 21:58:39,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-02-10 21:58:39,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9447efbac/57731465742a4478947f534fa3ca03d3/FLAGbe1019345 [2022-02-10 21:58:40,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9447efbac/57731465742a4478947f534fa3ca03d3 [2022-02-10 21:58:40,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 21:58:40,260 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 21:58:40,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 21:58:40,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 21:58:40,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 21:58:40,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41cd4e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40, skipping insertion in model container [2022-02-10 21:58:40,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 21:58:40,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 21:58:40,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-02-10 21:58:40,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:58:40,539 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 21:58:40,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-02-10 21:58:40,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:58:40,587 INFO L208 MainTranslator]: Completed translation [2022-02-10 21:58:40,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40 WrapperNode [2022-02-10 21:58:40,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 21:58:40,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 21:58:40,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 21:58:40,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 21:58:40,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,618 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-10 21:58:40,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 21:58:40,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 21:58:40,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 21:58:40,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 21:58:40,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 21:58:40,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 21:58:40,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 21:58:40,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 21:58:40,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (1/1) ... [2022-02-10 21:58:40,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:58:40,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:58:40,664 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) [2022-02-10 21:58:40,681 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 [2022-02-10 21:58:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 21:58:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 21:58:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 21:58:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 21:58:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 21:58:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 21:58:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 21:58:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 21:58:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 21:58:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 21:58:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 21:58:40,690 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 21:58:40,770 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 21:58:40,771 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 21:58:40,882 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 21:58:40,886 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 21:58:40,887 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 21:58:40,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:58:40 BoogieIcfgContainer [2022-02-10 21:58:40,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 21:58:40,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 21:58:40,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 21:58:40,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 21:58:40,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 09:58:40" (1/3) ... [2022-02-10 21:58:40,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407907d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:58:40, skipping insertion in model container [2022-02-10 21:58:40,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:40" (2/3) ... [2022-02-10 21:58:40,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407907d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:58:40, skipping insertion in model container [2022-02-10 21:58:40,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:58:40" (3/3) ... [2022-02-10 21:58:40,898 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-02-10 21:58:40,901 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 21:58:40,901 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 21:58:40,902 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 21:58:40,902 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 21:58:40,922 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,923 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,923 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,923 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,924 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,925 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,925 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,925 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,925 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,925 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,927 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,927 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,927 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,929 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,930 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,930 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,930 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,930 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,930 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,930 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:40,933 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 21:58:40,960 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:58:40,964 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=FINITE_AUTOMATA, 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 [2022-02-10 21:58:40,964 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 21:58:40,971 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 71 transitions, 150 flow [2022-02-10 21:58:40,995 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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) [2022-02-10 21:58:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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) [2022-02-10 21:58:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-10 21:58:41,003 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:58:41,003 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:58:41,004 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 21:58:41,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:58:41,007 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-02-10 21:58:41,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:58:41,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564549979] [2022-02-10 21:58:41,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:58:41,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:58:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:58:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:58:41,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:58:41,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564549979] [2022-02-10 21:58:41,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564549979] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:58:41,231 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:58:41,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 21:58:41,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438570185] [2022-02-10 21:58:41,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:58:41,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 21:58:41,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:58:41,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 21:58:41,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 21:58:41,267 INFO L87 Difference]: Start difference. First operand has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:58:41,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:58:41,353 INFO L93 Difference]: Finished difference Result 212 states and 354 transitions. [2022-02-10 21:58:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 21:58:41,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-02-10 21:58:41,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:58:41,365 INFO L225 Difference]: With dead ends: 212 [2022-02-10 21:58:41,365 INFO L226 Difference]: Without dead ends: 137 [2022-02-10 21:58:41,367 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:58:41,370 INFO L934 BasicCegarLoop]: 83 mSDtfsCounter, 46 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:58:41,371 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 232 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:58:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-02-10 21:58:41,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-02-10 21:58:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.588235294117647) internal successors, (216), 136 states have internal predecessors, (216), 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) [2022-02-10 21:58:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 216 transitions. [2022-02-10 21:58:41,415 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 216 transitions. Word has length 42 [2022-02-10 21:58:41,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:58:41,415 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 216 transitions. [2022-02-10 21:58:41,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:58:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 216 transitions. [2022-02-10 21:58:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-10 21:58:41,417 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:58:41,417 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:58:41,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 21:58:41,418 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 21:58:41,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:58:41,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1191502746, now seen corresponding path program 1 times [2022-02-10 21:58:41,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:58:41,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063013689] [2022-02-10 21:58:41,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:58:41,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:58:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:58:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:58:41,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:58:41,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063013689] [2022-02-10 21:58:41,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063013689] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:58:41,489 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:58:41,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 21:58:41,490 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512798556] [2022-02-10 21:58:41,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:58:41,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:58:41,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:58:41,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:58:41,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:58:41,491 INFO L87 Difference]: Start difference. First operand 137 states and 216 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:58:41,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:58:41,506 INFO L93 Difference]: Finished difference Result 82 states and 108 transitions. [2022-02-10 21:58:41,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:58:41,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-02-10 21:58:41,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:58:41,507 INFO L225 Difference]: With dead ends: 82 [2022-02-10 21:58:41,507 INFO L226 Difference]: Without dead ends: 64 [2022-02-10 21:58:41,507 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:58:41,508 INFO L934 BasicCegarLoop]: 53 mSDtfsCounter, 10 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:58:41,508 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 82 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:58:41,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-02-10 21:58:41,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-02-10 21:58:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 63 states have internal predecessors, (77), 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) [2022-02-10 21:58:41,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 77 transitions. [2022-02-10 21:58:41,511 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 77 transitions. Word has length 48 [2022-02-10 21:58:41,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:58:41,512 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 77 transitions. [2022-02-10 21:58:41,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:58:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2022-02-10 21:58:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-10 21:58:41,517 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:58:41,517 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:58:41,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 21:58:41,517 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 21:58:41,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:58:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1925525721, now seen corresponding path program 1 times [2022-02-10 21:58:41,518 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:58:41,518 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579472464] [2022-02-10 21:58:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:58:41,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:58:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:58:41,552 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 21:58:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:58:41,612 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 21:58:41,612 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 21:58:41,613 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-10 21:58:41,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-10 21:58:41,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 21:58:41,617 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-10 21:58:41,620 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 21:58:41,620 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 21:58:41,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 09:58:41 BasicIcfg [2022-02-10 21:58:41,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 21:58:41,644 INFO L158 Benchmark]: Toolchain (without parser) took 1384.35ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 119.5MB in the beginning and 208.3MB in the end (delta: -88.8MB). Peak memory consumption was 51.7MB. Max. memory is 8.0GB. [2022-02-10 21:58:41,644 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:58:41,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.03ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 119.3MB in the beginning and 207.3MB in the end (delta: -88.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-02-10 21:58:41,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.85ms. Allocated memory is still 245.4MB. Free memory was 207.3MB in the beginning and 205.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 21:58:41,645 INFO L158 Benchmark]: Boogie Preprocessor took 12.73ms. Allocated memory is still 245.4MB. Free memory was 205.2MB in the beginning and 204.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 21:58:41,646 INFO L158 Benchmark]: RCFGBuilder took 255.99ms. Allocated memory is still 245.4MB. Free memory was 204.2MB in the beginning and 191.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-10 21:58:41,646 INFO L158 Benchmark]: TraceAbstraction took 754.46ms. Allocated memory is still 245.4MB. Free memory was 191.0MB in the beginning and 208.3MB in the end (delta: -17.2MB). Peak memory consumption was 55.7MB. Max. memory is 8.0GB. [2022-02-10 21:58:41,648 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 178.3MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 326.03ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 119.3MB in the beginning and 207.3MB in the end (delta: -88.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.85ms. Allocated memory is still 245.4MB. Free memory was 207.3MB in the beginning and 205.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.73ms. Allocated memory is still 245.4MB. Free memory was 205.2MB in the beginning and 204.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 255.99ms. Allocated memory is still 245.4MB. Free memory was 204.2MB in the beginning and 191.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 754.46ms. Allocated memory is still 245.4MB. Free memory was 191.0MB in the beginning and 208.3MB in the end (delta: -17.2MB). Peak memory consumption was 55.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 136 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-10 21:58:41,690 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...