/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 11:16:32,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 11:16:32,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 11:16:32,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 11:16:32,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 11:16:32,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 11:16:32,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 11:16:32,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 11:16:32,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 11:16:32,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 11:16:32,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 11:16:32,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 11:16:32,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 11:16:32,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 11:16:32,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 11:16:32,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 11:16:32,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 11:16:32,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 11:16:32,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 11:16:32,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 11:16:32,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 11:16:32,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 11:16:32,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 11:16:32,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 11:16:32,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 11:16:32,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 11:16:32,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 11:16:32,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 11:16:32,539 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 11:16:32,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 11:16:32,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 11:16:32,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 11:16:32,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 11:16:32,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 11:16:32,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 11:16:32,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 11:16:32,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 11:16:32,571 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 11:16:32,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 11:16:32,572 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 11:16:32,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 11:16:32,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 11:16:32,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 11:16:32,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 11:16:32,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 11:16:32,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 11:16:32,573 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 11:16:32,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 11:16:32,574 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 11:16:32,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 11:16:32,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 11:16:32,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 11:16:32,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 11:16:32,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 11:16:32,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 11:16:32,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 11:16:32,576 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 11:16:32,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 11:16:32,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 11:16:32,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 11:16:32,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 11:16:32,577 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 11:16:32,577 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 11:16:32,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 11:16:32,577 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 11:16:32,577 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 11:16:32,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 11:16:32,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 11:16:32,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 11:16:32,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 11:16:32,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 11:16:32,837 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 11:16:32,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-02-09 11:16:32,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e3900c1/ab6a69b1bb244027bec7b6f550e8657b/FLAG1b47b8658 [2022-02-09 11:16:33,397 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 11:16:33,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-02-09 11:16:33,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e3900c1/ab6a69b1bb244027bec7b6f550e8657b/FLAG1b47b8658 [2022-02-09 11:16:33,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e3900c1/ab6a69b1bb244027bec7b6f550e8657b [2022-02-09 11:16:33,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 11:16:33,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 11:16:33,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 11:16:33,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 11:16:33,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 11:16:33,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 11:16:33" (1/1) ... [2022-02-09 11:16:33,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37cdd69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:33, skipping insertion in model container [2022-02-09 11:16:33,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 11:16:33" (1/1) ... [2022-02-09 11:16:33,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 11:16:33,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 11:16:34,116 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_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-02-09 11:16:34,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 11:16:34,240 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 11:16:34,251 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_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-02-09 11:16:34,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 11:16:34,331 INFO L208 MainTranslator]: Completed translation [2022-02-09 11:16:34,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34 WrapperNode [2022-02-09 11:16:34,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 11:16:34,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 11:16:34,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 11:16:34,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 11:16:34,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,387 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-02-09 11:16:34,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 11:16:34,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 11:16:34,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 11:16:34,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 11:16:34,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 11:16:34,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 11:16:34,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 11:16:34,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 11:16:34,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (1/1) ... [2022-02-09 11:16:34,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 11:16:34,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 11:16:34,469 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) [2022-02-09 11:16:34,503 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 [2022-02-09 11:16:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 11:16:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 11:16:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 11:16:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 11:16:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 11:16:34,526 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 11:16:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 11:16:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 11:16:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 11:16:34,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 11:16:34,527 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 11:16:34,671 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 11:16:34,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 11:16:34,873 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 11:16:34,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 11:16:34,879 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 11:16:34,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:16:34 BoogieIcfgContainer [2022-02-09 11:16:34,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 11:16:34,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 11:16:34,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 11:16:34,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 11:16:34,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 11:16:33" (1/3) ... [2022-02-09 11:16:34,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f31be41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:16:34, skipping insertion in model container [2022-02-09 11:16:34,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:16:34" (2/3) ... [2022-02-09 11:16:34,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f31be41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:16:34, skipping insertion in model container [2022-02-09 11:16:34,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:16:34" (3/3) ... [2022-02-09 11:16:34,887 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-02-09 11:16:34,890 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 11:16:34,890 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 11:16:34,891 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 11:16:34,891 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 11:16:34,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,913 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,913 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,913 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,914 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:16:34,933 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 11:16:34,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 11:16:34,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 11:16:34,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 11:16:35,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 11:16:35,042 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 11:16:35,049 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 11:16:35,049 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 11:16:35,213 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 11:16:35,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 11:16:35,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times [2022-02-09 11:16:35,224 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 11:16:35,224 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136202140] [2022-02-09 11:16:35,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 11:16:35,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 11:16:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 11:16:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 11:16:35,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 11:16:35,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136202140] [2022-02-09 11:16:35,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136202140] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 11:16:35,509 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 11:16:35,510 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 11:16:35,511 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856387299] [2022-02-09 11:16:35,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 11:16:35,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 11:16:35,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 11:16:35,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 11:16:35,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 11:16:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:16:35,540 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 11:16:35,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2022-02-09 11:16:35,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:16:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 11:16:35,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 11:16:35,612 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 11:16:35,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 11:16:35,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1362363078, now seen corresponding path program 1 times [2022-02-09 11:16:35,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 11:16:35,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410048078] [2022-02-09 11:16:35,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 11:16:35,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 11:16:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 11:16:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 11:16:35,827 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 11:16:35,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410048078] [2022-02-09 11:16:35,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410048078] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 11:16:35,827 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 11:16:35,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 11:16:35,828 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485505394] [2022-02-09 11:16:35,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 11:16:35,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 11:16:35,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 11:16:35,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 11:16:35,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-09 11:16:35,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:16:35,832 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 11:16:35,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2022-02-09 11:16:35,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 11:16:35,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:16:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 11:16:35,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 11:16:35,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 11:16:35,993 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 11:16:35,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 11:16:35,993 INFO L85 PathProgramCache]: Analyzing trace with hash -2093588025, now seen corresponding path program 1 times [2022-02-09 11:16:35,993 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 11:16:35,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824218294] [2022-02-09 11:16:35,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 11:16:35,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 11:16:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 11:16:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 11:16:36,064 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 11:16:36,065 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824218294] [2022-02-09 11:16:36,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824218294] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 11:16:36,065 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 11:16:36,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 11:16:36,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119974561] [2022-02-09 11:16:36,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 11:16:36,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 11:16:36,066 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 11:16:36,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 11:16:36,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 11:16:36,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:16:36,067 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 11:16:36,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-02-09 11:16:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 11:16:36,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 11:16:36,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:16:36,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 11:16:36,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 11:16:36,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 11:16:36,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 11:16:36,115 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 11:16:36,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 11:16:36,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1452136571, now seen corresponding path program 1 times [2022-02-09 11:16:36,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 11:16:36,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706544901] [2022-02-09 11:16:36,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 11:16:36,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 11:16:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 11:16:36,139 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 11:16:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 11:16:36,191 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 11:16:36,191 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 11:16:36,192 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-09 11:16:36,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-09 11:16:36,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 11:16:36,208 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-09 11:16:36,213 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 11:16:36,213 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 11:16:36,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 11:16:36 BasicIcfg [2022-02-09 11:16:36,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 11:16:36,249 INFO L158 Benchmark]: Toolchain (without parser) took 2326.18ms. Allocated memory was 191.9MB in the beginning and 242.2MB in the end (delta: 50.3MB). Free memory was 135.4MB in the beginning and 112.4MB in the end (delta: 23.0MB). Peak memory consumption was 73.8MB. Max. memory is 8.0GB. [2022-02-09 11:16:36,249 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 191.9MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 11:16:36,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.37ms. Allocated memory was 191.9MB in the beginning and 242.2MB in the end (delta: 50.3MB). Free memory was 135.1MB in the beginning and 205.2MB in the end (delta: -70.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-09 11:16:36,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.05ms. Allocated memory is still 242.2MB. Free memory was 205.2MB in the beginning and 203.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 11:16:36,250 INFO L158 Benchmark]: Boogie Preprocessor took 41.78ms. Allocated memory is still 242.2MB. Free memory was 203.1MB in the beginning and 201.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 11:16:36,251 INFO L158 Benchmark]: RCFGBuilder took 450.23ms. Allocated memory is still 242.2MB. Free memory was 201.6MB in the beginning and 189.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 11:16:36,251 INFO L158 Benchmark]: TraceAbstraction took 1366.59ms. Allocated memory is still 242.2MB. Free memory was 189.0MB in the beginning and 112.4MB in the end (delta: 76.5MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. [2022-02-09 11:16:36,255 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 191.9MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 405.37ms. Allocated memory was 191.9MB in the beginning and 242.2MB in the end (delta: 50.3MB). Free memory was 135.1MB in the beginning and 205.2MB in the end (delta: -70.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.05ms. Allocated memory is still 242.2MB. Free memory was 205.2MB in the beginning and 203.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.78ms. Allocated memory is still 242.2MB. Free memory was 203.1MB in the beginning and 201.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 450.23ms. Allocated memory is still 242.2MB. Free memory was 201.6MB in the beginning and 189.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1366.59ms. Allocated memory is still 242.2MB. Free memory was 189.0MB in the beginning and 112.4MB in the end (delta: 76.5MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 415, positive: 397, positive conditional: 94, positive unconditional: 303, negative: 18, negative conditional: 4, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 415, positive: 397, positive conditional: 94, positive unconditional: 303, negative: 18, negative conditional: 4, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 415, positive: 397, positive conditional: 94, positive unconditional: 303, negative: 18, negative conditional: 4, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 421, positive: 397, positive conditional: 76, positive unconditional: 321, negative: 24, negative conditional: 6, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 421, positive: 397, positive conditional: 42, positive unconditional: 355, negative: 24, negative conditional: 5, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 421, positive: 397, positive conditional: 42, positive unconditional: 355, negative: 24, negative conditional: 5, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 325, positive: 306, positive conditional: 3, positive unconditional: 303, negative: 19, negative conditional: 5, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 325, positive: 293, positive conditional: 0, positive unconditional: 293, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 13, positive conditional: 3, positive unconditional: 10, negative: 19, negative conditional: 5, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 89, positive conditional: 11, positive unconditional: 78, negative: 56, negative conditional: 15, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 421, positive: 91, positive conditional: 39, positive unconditional: 52, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 325, unknown conditional: 8, unknown unconditional: 317] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 306, Positive conditional cache size: 3, Positive unconditional cache size: 303, Negative cache size: 19, Negative conditional cache size: 5, Negative unconditional cache size: 14, Eliminated conditions: 35, Maximal queried relation: 2, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 95, Number of trivial persistent sets: 58, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 317, positive: 303, positive conditional: 0, positive unconditional: 303, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 415, positive: 397, positive conditional: 94, positive unconditional: 303, negative: 18, negative conditional: 4, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 415, positive: 397, positive conditional: 94, positive unconditional: 303, negative: 18, negative conditional: 4, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 415, positive: 397, positive conditional: 94, positive unconditional: 303, negative: 18, negative conditional: 4, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 421, positive: 397, positive conditional: 76, positive unconditional: 321, negative: 24, negative conditional: 6, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 421, positive: 397, positive conditional: 42, positive unconditional: 355, negative: 24, negative conditional: 5, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 421, positive: 397, positive conditional: 42, positive unconditional: 355, negative: 24, negative conditional: 5, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 325, positive: 306, positive conditional: 3, positive unconditional: 303, negative: 19, negative conditional: 5, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 325, positive: 293, positive conditional: 0, positive unconditional: 293, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 13, positive conditional: 3, positive unconditional: 10, negative: 19, negative conditional: 5, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 89, positive conditional: 11, positive unconditional: 78, negative: 56, negative conditional: 15, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 421, positive: 91, positive conditional: 39, positive unconditional: 52, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 325, unknown conditional: 8, unknown unconditional: 317] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 306, Positive conditional cache size: 3, Positive unconditional cache size: 303, Negative cache size: 19, Negative conditional cache size: 5, Negative unconditional cache size: 14, Eliminated conditions: 35, Maximal queried relation: 2, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 g = 17 VAL [A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17] [L698] CALL 0 __VERIFIER_assert(g == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] - UnprovableResult [Line: 694]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-02-09 11:16:36,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-09 11:16:36,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...