/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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 16:44:59,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 16:44:59,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 16:44:59,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 16:44:59,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 16:44:59,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 16:44:59,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 16:44:59,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 16:44:59,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 16:44:59,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 16:44:59,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 16:44:59,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 16:44:59,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 16:44:59,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 16:44:59,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 16:44:59,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 16:44:59,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 16:44:59,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 16:44:59,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 16:44:59,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 16:44:59,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 16:44:59,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 16:44:59,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 16:44:59,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 16:44:59,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 16:44:59,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 16:44:59,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 16:44:59,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 16:44:59,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 16:44:59,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-03 16:44:59,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 16:44:59,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 16:44:59,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 16:44:59,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 16:44:59,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 16:44:59,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 16:44:59,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 16:44:59,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 16:44:59,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 16:44:59,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 16:44:59,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 16:44:59,335 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 [2022-03-03 16:44:59,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 16:44:59,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 16:44:59,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 16:44:59,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 16:44:59,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 16:44:59,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 16:44:59,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 16:44:59,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 16:44:59,353 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 16:44:59,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 16:44:59,354 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 16:44:59,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 16:44:59,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 16:44:59,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 16:44:59,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 16:44:59,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 16:44:59,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 16:44:59,355 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 16:44:59,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 16:44:59,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 16:44:59,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 16:44:59,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:44:59,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 16:44:59,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 16:44:59,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 16:44:59,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 16:44:59,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 16:44:59,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 16:44:59,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 16:44:59,521 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 16:44:59,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-03-03 16:44:59,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c5b8af0/31af9a6a8e50459785d375efb067a2af/FLAG423c39226 [2022-03-03 16:44:59,998 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 16:44:59,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-03-03 16:45:00,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c5b8af0/31af9a6a8e50459785d375efb067a2af/FLAG423c39226 [2022-03-03 16:45:00,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c5b8af0/31af9a6a8e50459785d375efb067a2af [2022-03-03 16:45:00,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 16:45:00,033 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 16:45:00,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 16:45:00,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 16:45:00,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 16:45:00,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208fe4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00, skipping insertion in model container [2022-03-03 16:45:00,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 16:45:00,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 16:45:00,234 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-03-03 16:45:00,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:45:00,383 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 16:45:00,395 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-03-03 16:45:00,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:45:00,464 INFO L208 MainTranslator]: Completed translation [2022-03-03 16:45:00,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00 WrapperNode [2022-03-03 16:45:00,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 16:45:00,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 16:45:00,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 16:45:00,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 16:45:00,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,511 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-03-03 16:45:00,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 16:45:00,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 16:45:00,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 16:45:00,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 16:45:00,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 16:45:00,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 16:45:00,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 16:45:00,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 16:45:00,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (1/1) ... [2022-03-03 16:45:00,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:45:00,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:45:00,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 16:45:00,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 16:45:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 16:45:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 16:45:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 16:45:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 16:45:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 16:45:00,616 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 16:45:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 16:45:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 16:45:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 16:45:00,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 16:45:00,618 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 16:45:00,736 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 16:45:00,737 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 16:45:00,866 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 16:45:00,871 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 16:45:00,871 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 16:45:00,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:45:00 BoogieIcfgContainer [2022-03-03 16:45:00,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 16:45:00,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 16:45:00,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 16:45:00,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 16:45:00,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 04:45:00" (1/3) ... [2022-03-03 16:45:00,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a126aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:45:00, skipping insertion in model container [2022-03-03 16:45:00,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:45:00" (2/3) ... [2022-03-03 16:45:00,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a126aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:45:00, skipping insertion in model container [2022-03-03 16:45:00,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:45:00" (3/3) ... [2022-03-03 16:45:00,878 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-03-03 16:45:00,882 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 16:45:00,882 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 16:45:00,882 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 16:45:00,882 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 16:45:00,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,901 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,901 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,901 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,901 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,906 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,906 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:45:00,908 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 16:45:00,938 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 16:45:00,943 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, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 16:45:00,943 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-03 16:45:00,950 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 78 transitions, 161 flow [2022-03-03 16:45:00,982 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 245 states, 244 states have (on average 1.7827868852459017) internal successors, (435), 244 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:45:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 244 states have (on average 1.7827868852459017) internal successors, (435), 244 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:45:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-03 16:45:00,992 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:45:00,992 INFO L514 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, 1] [2022-03-03 16:45:00,993 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-03 16:45:00,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:45:00,996 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2022-03-03 16:45:01,002 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:45:01,003 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19535542] [2022-03-03 16:45:01,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:45:01,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:45:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 16:45:01,101 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 16:45:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 16:45:01,154 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 16:45:01,155 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 16:45:01,156 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-03 16:45:01,157 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-03 16:45:01,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 16:45:01,161 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-03 16:45:01,164 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 16:45:01,164 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 16:45:01,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 04:45:01 BasicIcfg [2022-03-03 16:45:01,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 16:45:01,188 INFO L158 Benchmark]: Toolchain (without parser) took 1155.08ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 107.9MB in the beginning and 141.7MB in the end (delta: -33.8MB). Peak memory consumption was 19.1MB. Max. memory is 8.0GB. [2022-03-03 16:45:01,189 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 165.7MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 16:45:01,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.41ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 107.6MB in the beginning and 183.0MB in the end (delta: -75.4MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2022-03-03 16:45:01,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.63ms. Allocated memory is still 218.1MB. Free memory was 183.0MB in the beginning and 181.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 16:45:01,190 INFO L158 Benchmark]: Boogie Preprocessor took 27.19ms. Allocated memory is still 218.1MB. Free memory was 181.0MB in the beginning and 179.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 16:45:01,190 INFO L158 Benchmark]: RCFGBuilder took 331.98ms. Allocated memory is still 218.1MB. Free memory was 179.8MB in the beginning and 166.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-03 16:45:01,191 INFO L158 Benchmark]: TraceAbstraction took 313.93ms. Allocated memory is still 218.1MB. Free memory was 166.3MB in the beginning and 141.7MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-03-03 16:45:01,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 165.7MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 430.41ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 107.6MB in the beginning and 183.0MB in the end (delta: -75.4MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.63ms. Allocated memory is still 218.1MB. Free memory was 183.0MB in the beginning and 181.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.19ms. Allocated memory is still 218.1MB. Free memory was 181.0MB in the beginning and 179.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 331.98ms. Allocated memory is still 218.1MB. Free memory was 179.8MB in the beginning and 166.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 313.93ms. Allocated memory is still 218.1MB. Free memory was 166.3MB in the beginning and 141.7MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. 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: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={3:0}, B={4:0}, g=42, r=0] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=0] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0, t=42] [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - 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, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-03 16:45:01,220 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...