/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 19:15:12,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 19:15:12,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 19:15:12,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 19:15:12,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 19:15:12,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 19:15:12,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 19:15:12,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 19:15:12,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 19:15:12,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 19:15:12,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 19:15:12,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 19:15:12,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 19:15:12,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 19:15:12,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 19:15:12,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 19:15:12,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 19:15:12,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 19:15:12,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 19:15:12,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 19:15:12,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 19:15:12,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 19:15:12,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 19:15:12,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 19:15:12,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 19:15:12,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 19:15:12,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 19:15:12,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 19:15:12,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 19:15:12,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 19:15:12,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 19:15:12,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 19:15:12,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 19:15:12,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 19:15:12,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 19:15:12,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 19:15:12,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 19:15:12,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 19:15:12,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 19:15:12,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 19:15:12,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 19:15:12,330 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-PN-NoLbe.epf [2022-12-11 19:15:12,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 19:15:12,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 19:15:12,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 19:15:12,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 19:15:12,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 19:15:12,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 19:15:12,358 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 19:15:12,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 19:15:12,359 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 19:15:12,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 19:15:12,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 19:15:12,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 19:15:12,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 19:15:12,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 19:15:12,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 19:15:12,360 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 19:15:12,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 19:15:12,360 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 19:15:12,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 19:15:12,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 19:15:12,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 19:15:12,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 19:15:12,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 19:15:12,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:15:12,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 19:15:12,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 19:15:12,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 19:15:12,361 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 19:15:12,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 19:15:12,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 19:15:12,361 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 19:15:12,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-11 19:15:12,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 19:15:12,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 19:15:12,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 19:15:12,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 19:15:12,657 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 19:15:12,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2022-12-11 19:15:13,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 19:15:13,705 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 19:15:13,706 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2022-12-11 19:15:13,731 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6f01e26/e135c910fe534391b57d3f0991a472b1/FLAG3a6347f33 [2022-12-11 19:15:13,741 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6f01e26/e135c910fe534391b57d3f0991a472b1 [2022-12-11 19:15:13,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 19:15:13,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 19:15:13,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 19:15:13,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 19:15:13,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 19:15:13,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:15:13" (1/1) ... [2022-12-11 19:15:13,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c29f217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:13, skipping insertion in model container [2022-12-11 19:15:13,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:15:13" (1/1) ... [2022-12-11 19:15:13,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 19:15:13,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 19:15:13,984 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2022-12-11 19:15:14,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:15:14,011 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 19:15:14,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2022-12-11 19:15:14,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:15:14,089 INFO L208 MainTranslator]: Completed translation [2022-12-11 19:15:14,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14 WrapperNode [2022-12-11 19:15:14,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 19:15:14,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 19:15:14,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 19:15:14,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 19:15:14,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,139 INFO L138 Inliner]: procedures = 170, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-12-11 19:15:14,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 19:15:14,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 19:15:14,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 19:15:14,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 19:15:14,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 19:15:14,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 19:15:14,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 19:15:14,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 19:15:14,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (1/1) ... [2022-12-11 19:15:14,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:15:14,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 19:15:14,198 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) [2022-12-11 19:15:14,220 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 [2022-12-11 19:15:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 19:15:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 19:15:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 19:15:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 19:15:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 19:15:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 19:15:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 19:15:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 19:15:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 19:15:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 19:15:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 19:15:14,234 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 19:15:14,351 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 19:15:14,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 19:15:14,541 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 19:15:14,548 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 19:15:14,548 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-11 19:15:14,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:15:14 BoogieIcfgContainer [2022-12-11 19:15:14,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 19:15:14,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 19:15:14,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 19:15:14,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 19:15:14,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 07:15:13" (1/3) ... [2022-12-11 19:15:14,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1b7bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:15:14, skipping insertion in model container [2022-12-11 19:15:14,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:14" (2/3) ... [2022-12-11 19:15:14,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1b7bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:15:14, skipping insertion in model container [2022-12-11 19:15:14,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:15:14" (3/3) ... [2022-12-11 19:15:14,561 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2022-12-11 19:15:14,574 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 19:15:14,574 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 19:15:14,574 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 19:15:14,607 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-11 19:15:14,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 97 places, 102 transitions, 212 flow [2022-12-11 19:15:14,665 INFO L130 PetriNetUnfolder]: 9/101 cut-off events. [2022-12-11 19:15:14,665 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 19:15:14,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 101 events. 9/101 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 149 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 55. Up to 3 conditions per place. [2022-12-11 19:15:14,669 INFO L82 GeneralOperation]: Start removeDead. Operand has 97 places, 102 transitions, 212 flow [2022-12-11 19:15:14,675 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 92 transitions, 187 flow [2022-12-11 19:15:14,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 19:15:14,685 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7630ea1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 19:15:14,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-11 19:15:14,700 INFO L130 PetriNetUnfolder]: 2/77 cut-off events. [2022-12-11 19:15:14,700 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 19:15:14,700 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:15:14,701 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:15:14,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 19:15:14,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:15:14,705 INFO L85 PathProgramCache]: Analyzing trace with hash 881364983, now seen corresponding path program 1 times [2022-12-11 19:15:14,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:15:14,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236322846] [2022-12-11 19:15:14,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:15:14,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:15:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:15:15,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:15:15,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:15:15,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236322846] [2022-12-11 19:15:15,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236322846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:15:15,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:15:15,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-11 19:15:15,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826426029] [2022-12-11 19:15:15,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:15:15,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-11 19:15:15,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:15:15,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-11 19:15:15,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-11 19:15:15,240 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 102 [2022-12-11 19:15:15,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 92 transitions, 187 flow. Second operand has 9 states, 9 states have (on average 49.77777777777778) internal successors, (448), 9 states have internal predecessors, (448), 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) [2022-12-11 19:15:15,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:15:15,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 102 [2022-12-11 19:15:15,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:15:15,570 INFO L130 PetriNetUnfolder]: 41/293 cut-off events. [2022-12-11 19:15:15,570 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 19:15:15,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 293 events. 41/293 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1337 event pairs, 10 based on Foata normal form. 96/386 useless extension candidates. Maximal degree in co-relation 360. Up to 29 conditions per place. [2022-12-11 19:15:15,572 INFO L137 encePairwiseOnDemand]: 83/102 looper letters, 34 selfloop transitions, 4 changer transitions 37/113 dead transitions. [2022-12-11 19:15:15,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 113 transitions, 373 flow [2022-12-11 19:15:15,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-11 19:15:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-11 19:15:15,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2022-12-11 19:15:15,584 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.530812324929972 [2022-12-11 19:15:15,585 INFO L175 Difference]: Start difference. First operand has 87 places, 92 transitions, 187 flow. Second operand 14 states and 758 transitions. [2022-12-11 19:15:15,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 113 transitions, 373 flow [2022-12-11 19:15:15,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 113 transitions, 372 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-11 19:15:15,589 INFO L231 Difference]: Finished difference. Result has 105 places, 76 transitions, 178 flow [2022-12-11 19:15:15,590 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=178, PETRI_PLACES=105, PETRI_TRANSITIONS=76} [2022-12-11 19:15:15,592 INFO L295 CegarLoopForPetriNet]: 87 programPoint places, 18 predicate places. [2022-12-11 19:15:15,592 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 76 transitions, 178 flow [2022-12-11 19:15:15,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 49.77777777777778) internal successors, (448), 9 states have internal predecessors, (448), 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) [2022-12-11 19:15:15,593 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:15:15,593 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:15:15,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 19:15:15,593 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 19:15:15,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:15:15,594 INFO L85 PathProgramCache]: Analyzing trace with hash 2010774531, now seen corresponding path program 1 times [2022-12-11 19:15:15,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:15:15,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878335662] [2022-12-11 19:15:15,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:15:15,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:15:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:15:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:15:15,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:15:15,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878335662] [2022-12-11 19:15:15,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878335662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:15:15,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:15:15,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 19:15:15,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958850589] [2022-12-11 19:15:15,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:15:15,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 19:15:15,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:15:15,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 19:15:15,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 19:15:15,734 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 102 [2022-12-11 19:15:15,734 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 76 transitions, 178 flow. Second operand has 6 states, 6 states have (on average 70.83333333333333) internal successors, (425), 6 states have internal predecessors, (425), 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) [2022-12-11 19:15:15,735 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:15:15,735 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 102 [2022-12-11 19:15:15,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:15:15,783 INFO L130 PetriNetUnfolder]: 8/129 cut-off events. [2022-12-11 19:15:15,783 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-11 19:15:15,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 129 events. 8/129 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 176 event pairs, 4 based on Foata normal form. 4/133 useless extension candidates. Maximal degree in co-relation 186. Up to 20 conditions per place. [2022-12-11 19:15:15,784 INFO L137 encePairwiseOnDemand]: 95/102 looper letters, 16 selfloop transitions, 7 changer transitions 1/79 dead transitions. [2022-12-11 19:15:15,784 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 79 transitions, 232 flow [2022-12-11 19:15:15,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-11 19:15:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-11 19:15:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 367 transitions. [2022-12-11 19:15:15,785 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7196078431372549 [2022-12-11 19:15:15,785 INFO L175 Difference]: Start difference. First operand has 105 places, 76 transitions, 178 flow. Second operand 5 states and 367 transitions. [2022-12-11 19:15:15,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 79 transitions, 232 flow [2022-12-11 19:15:15,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 79 transitions, 212 flow, removed 6 selfloop flow, removed 10 redundant places. [2022-12-11 19:15:15,788 INFO L231 Difference]: Finished difference. Result has 84 places, 76 transitions, 172 flow [2022-12-11 19:15:15,788 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=172, PETRI_PLACES=84, PETRI_TRANSITIONS=76} [2022-12-11 19:15:15,788 INFO L295 CegarLoopForPetriNet]: 87 programPoint places, -3 predicate places. [2022-12-11 19:15:15,789 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 76 transitions, 172 flow [2022-12-11 19:15:15,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.83333333333333) internal successors, (425), 6 states have internal predecessors, (425), 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) [2022-12-11 19:15:15,789 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:15:15,789 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:15:15,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 19:15:15,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 19:15:15,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:15:15,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1204615794, now seen corresponding path program 1 times [2022-12-11 19:15:15,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:15:15,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238863697] [2022-12-11 19:15:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:15:15,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:15:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 19:15:15,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-11 19:15:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 19:15:15,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-11 19:15:15,859 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-11 19:15:15,859 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-11 19:15:15,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-11 19:15:15,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 19:15:15,861 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-11 19:15:15,864 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 19:15:15,864 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 19:15:15,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 07:15:15 BasicIcfg [2022-12-11 19:15:15,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 19:15:15,894 INFO L158 Benchmark]: Toolchain (without parser) took 2150.14ms. Allocated memory was 186.6MB in the beginning and 238.0MB in the end (delta: 51.4MB). Free memory was 161.0MB in the beginning and 205.0MB in the end (delta: -43.9MB). Peak memory consumption was 104.5MB. Max. memory is 8.0GB. [2022-12-11 19:15:15,894 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 162.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 19:15:15,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.64ms. Allocated memory is still 186.6MB. Free memory was 160.5MB in the beginning and 140.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-11 19:15:15,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.09ms. Allocated memory is still 186.6MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 19:15:15,895 INFO L158 Benchmark]: Boogie Preprocessor took 33.44ms. Allocated memory is still 186.6MB. Free memory was 138.5MB in the beginning and 136.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 19:15:15,896 INFO L158 Benchmark]: RCFGBuilder took 374.30ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 122.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-12-11 19:15:15,896 INFO L158 Benchmark]: TraceAbstraction took 1342.44ms. Allocated memory was 186.6MB in the beginning and 238.0MB in the end (delta: 51.4MB). Free memory was 121.2MB in the beginning and 205.0MB in the end (delta: -83.8MB). Peak memory consumption was 64.6MB. Max. memory is 8.0GB. [2022-12-11 19:15:15,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 162.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 345.64ms. Allocated memory is still 186.6MB. Free memory was 160.5MB in the beginning and 140.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.09ms. Allocated memory is still 186.6MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.44ms. Allocated memory is still 186.6MB. Free memory was 138.5MB in the beginning and 136.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 374.30ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 122.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1342.44ms. Allocated memory was 186.6MB in the beginning and 238.0MB in the end (delta: 51.4MB). Free memory was 121.2MB in the beginning and 205.0MB in the end (delta: -83.8MB). Peak memory consumption was 64.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 691]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L696] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L697] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}] [L698] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}, mutex2={5:0}] [L707] 0 pthread_t id; VAL [__global_lock={3:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L708] 0 int i = 0; VAL [__global_lock={3:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L709] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={3:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}, pthread_create(&id, ((void *)0), t_fun, (void *) &i)=-1] [L700] 1 int *p = (int *) arg; VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] 1 (*p)++ VAL [(*p)++=0, \read(*p)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] EXPR 0 \read(i) VAL [\read(i)=1, __global_lock={3:0}, arg={6:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] CALL 0 __VERIFIER_assert((i) == 0) [L691] COND TRUE 0 !(cond) VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L691] 0 reach_error() VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] - UnprovableResult [Line: 709]: 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, 123 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 200 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 160 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 40 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 362 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! [2022-12-11 19:15:15,920 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...