/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-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 08:20:32,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 08:20:32,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 08:20:32,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 08:20:32,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 08:20:32,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 08:20:32,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 08:20:32,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 08:20:32,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 08:20:32,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 08:20:32,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 08:20:32,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 08:20:32,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 08:20:32,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 08:20:32,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 08:20:32,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 08:20:32,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 08:20:32,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 08:20:32,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 08:20:32,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 08:20:32,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 08:20:32,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 08:20:32,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 08:20:32,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 08:20:32,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 08:20:32,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 08:20:32,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 08:20:32,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 08:20:32,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 08:20:32,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 08:20:32,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 08:20:32,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 08:20:32,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 08:20:32,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 08:20:32,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 08:20:32,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 08:20:32,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 08:20:32,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 08:20:32,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 08:20:32,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 08:20:32,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 08:20:32,559 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-varabs.epf [2022-02-11 08:20:32,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 08:20:32,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 08:20:32,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 08:20:32,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 08:20:32,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 08:20:32,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 08:20:32,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 08:20:32,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 08:20:32,598 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 08:20:32,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 08:20:32,599 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 08:20:32,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 08:20:32,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 08:20:32,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 08:20:32,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 08:20:32,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 08:20:32,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 08:20:32,600 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 08:20:32,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 08:20:32,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 08:20:32,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 08:20:32,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 08:20:32,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 08:20:32,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 08:20:32,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 08:20:32,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 08:20:32,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 08:20:32,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 08:20:32,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 08:20:32,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 08:20:32,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 08:20:32,603 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 08:20:32,603 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 08:20:32,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 08:20:32,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 08:20:32,604 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 08:20:32,604 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 08:20:32,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 08:20:32,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 08:20:32,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 08:20:32,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 08:20:32,875 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 08:20:32,875 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 08:20:32,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.i [2022-02-11 08:20:32,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7081a0342/5513d7a6ca6e46acbdee6a9dd07aa27d/FLAG415b3f6a9 [2022-02-11 08:20:33,361 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 08:20:33,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.i [2022-02-11 08:20:33,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7081a0342/5513d7a6ca6e46acbdee6a9dd07aa27d/FLAG415b3f6a9 [2022-02-11 08:20:33,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7081a0342/5513d7a6ca6e46acbdee6a9dd07aa27d [2022-02-11 08:20:33,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 08:20:33,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 08:20:33,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 08:20:33,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 08:20:33,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 08:20:33,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 08:20:33" (1/1) ... [2022-02-11 08:20:33,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339fdfd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:33, skipping insertion in model container [2022-02-11 08:20:33,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 08:20:33" (1/1) ... [2022-02-11 08:20:33,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 08:20:33,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 08:20:33,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.i[945,958] [2022-02-11 08:20:34,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 08:20:34,057 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 08:20:34,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.i[945,958] [2022-02-11 08:20:34,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 08:20:34,145 INFO L208 MainTranslator]: Completed translation [2022-02-11 08:20:34,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34 WrapperNode [2022-02-11 08:20:34,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 08:20:34,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 08:20:34,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 08:20:34,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 08:20:34,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,198 INFO L137 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-02-11 08:20:34,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 08:20:34,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 08:20:34,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 08:20:34,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 08:20:34,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 08:20:34,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 08:20:34,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 08:20:34,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 08:20:34,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (1/1) ... [2022-02-11 08:20:34,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 08:20:34,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 08:20:34,264 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) [2022-02-11 08:20:34,292 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 [2022-02-11 08:20:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 08:20:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 08:20:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 08:20:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 08:20:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 08:20:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-11 08:20:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-11 08:20:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-11 08:20:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-11 08:20:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 08:20:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 08:20:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 08:20:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 08:20:34,314 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 08:20:34,441 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 08:20:34,442 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 08:20:34,576 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 08:20:34,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 08:20:34,581 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 08:20:34,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 08:20:34 BoogieIcfgContainer [2022-02-11 08:20:34,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 08:20:34,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 08:20:34,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 08:20:34,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 08:20:34,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 08:20:33" (1/3) ... [2022-02-11 08:20:34,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0a7cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 08:20:34, skipping insertion in model container [2022-02-11 08:20:34,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:20:34" (2/3) ... [2022-02-11 08:20:34,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0a7cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 08:20:34, skipping insertion in model container [2022-02-11 08:20:34,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 08:20:34" (3/3) ... [2022-02-11 08:20:34,590 INFO L112 eAbstractionObserver]: Analyzing ICFG safe029_tso.i [2022-02-11 08:20:34,594 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 08:20:34,595 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 08:20:34,595 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 08:20:34,595 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 08:20:34,625 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,625 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,625 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,625 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,626 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,626 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,626 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,626 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,626 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,627 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,627 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,627 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,627 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,627 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,627 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,628 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,628 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,628 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,628 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,628 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,629 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,629 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,629 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,629 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,632 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,632 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,632 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,632 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,634 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,634 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,634 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,634 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:20:34,635 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 08:20:34,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 08:20:34,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 08:20:34,675 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) [2022-02-11 08:20:34,684 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 [2022-02-11 08:20:34,711 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 08:20:34,716 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, 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 [2022-02-11 08:20:34,716 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 08:20:35,036 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 08:20:35,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 08:20:35,041 INFO L85 PathProgramCache]: Analyzing trace with hash 637535208, now seen corresponding path program 1 times [2022-02-11 08:20:35,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 08:20:35,048 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858787078] [2022-02-11 08:20:35,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 08:20:35,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 08:20:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 08:20:35,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 08:20:35,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 08:20:35,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858787078] [2022-02-11 08:20:35,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858787078] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 08:20:35,222 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 08:20:35,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 08:20:35,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453216752] [2022-02-11 08:20:35,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 08:20:35,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 08:20:35,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 08:20:35,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 08:20:35,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 08:20:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:35,265 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 08:20:35,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2022-02-11 08:20:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:35,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 08:20:35,298 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 08:20:35,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 08:20:35,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1914735552, now seen corresponding path program 1 times [2022-02-11 08:20:35,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 08:20:35,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238123100] [2022-02-11 08:20:35,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 08:20:35,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 08:20:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 08:20:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 08:20:35,603 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 08:20:35,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238123100] [2022-02-11 08:20:35,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238123100] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 08:20:35,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 08:20:35,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-11 08:20:35,604 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4721611] [2022-02-11 08:20:35,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 08:20:35,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 08:20:35,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 08:20:35,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 08:20:35,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-11 08:20:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:35,608 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 08:20:35,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 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) [2022-02-11 08:20:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 08:20:35,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 08:20:35,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 08:20:35,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 08:20:35,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1605687228, now seen corresponding path program 1 times [2022-02-11 08:20:35,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 08:20:35,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024204354] [2022-02-11 08:20:35,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 08:20:35,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 08:20:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 08:20:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 08:20:36,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 08:20:36,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024204354] [2022-02-11 08:20:36,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024204354] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 08:20:36,095 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 08:20:36,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 08:20:36,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969001724] [2022-02-11 08:20:36,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 08:20:36,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 08:20:36,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 08:20:36,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 08:20:36,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-11 08:20:36,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:36,104 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 08:20:36,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2022-02-11 08:20:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 08:20:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:20:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 08:20:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 08:20:36,412 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 08:20:36,413 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-11 08:20:36,414 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 08:20:36,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService [2022-02-11 08:20:36,419 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-11 08:20:36,421 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 08:20:36,422 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 08:20:36,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 08:20:36 BasicIcfg [2022-02-11 08:20:36,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 08:20:36,426 INFO L158 Benchmark]: Toolchain (without parser) took 2740.81ms. Allocated memory was 197.1MB in the beginning and 243.3MB in the end (delta: 46.1MB). Free memory was 145.1MB in the beginning and 193.4MB in the end (delta: -48.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 08:20:36,426 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 197.1MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 08:20:36,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.26ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 163.1MB in the end (delta: -18.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-11 08:20:36,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.22ms. Allocated memory is still 197.1MB. Free memory was 163.1MB in the beginning and 161.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 08:20:36,428 INFO L158 Benchmark]: Boogie Preprocessor took 29.62ms. Allocated memory is still 197.1MB. Free memory was 161.0MB in the beginning and 160.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 08:20:36,428 INFO L158 Benchmark]: RCFGBuilder took 353.44ms. Allocated memory is still 197.1MB. Free memory was 160.0MB in the beginning and 148.4MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-11 08:20:36,428 INFO L158 Benchmark]: TraceAbstraction took 1840.12ms. Allocated memory was 197.1MB in the beginning and 243.3MB in the end (delta: 46.1MB). Free memory was 147.9MB in the beginning and 193.4MB in the end (delta: -45.5MB). Peak memory consumption was 2.2MB. Max. memory is 8.0GB. [2022-02-11 08:20:36,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 197.1MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 459.26ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 163.1MB in the end (delta: -18.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.22ms. Allocated memory is still 197.1MB. Free memory was 163.1MB in the beginning and 161.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.62ms. Allocated memory is still 197.1MB. Free memory was 161.0MB in the beginning and 160.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 353.44ms. Allocated memory is still 197.1MB. Free memory was 160.0MB in the beginning and 148.4MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1840.12ms. Allocated memory was 197.1MB in the beginning and 243.3MB in the end (delta: 46.1MB). Free memory was 147.9MB in the beginning and 193.4MB in the end (delta: -45.5MB). Peak memory consumption was 2.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 749, positive: 726, positive conditional: 220, positive unconditional: 506, negative: 23, negative conditional: 11, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1891, positive: 1859, positive conditional: 419, positive unconditional: 1440, negative: 32, negative conditional: 9, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1891, positive: 1859, positive conditional: 419, positive unconditional: 1440, negative: 32, negative conditional: 9, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1906, positive: 1859, positive conditional: 290, positive unconditional: 1569, negative: 47, negative conditional: 15, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1906, positive: 1859, positive conditional: 118, positive unconditional: 1741, negative: 47, negative conditional: 6, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1906, positive: 1859, positive conditional: 118, positive unconditional: 1741, negative: 47, negative conditional: 6, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 960, positive: 941, positive conditional: 4, positive unconditional: 937, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 960, positive: 925, positive conditional: 0, positive unconditional: 925, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 256, positive: 64, positive conditional: 6, positive unconditional: 57, negative: 34, negative conditional: 3, negative unconditional: 30, unknown: 159, unknown conditional: 0, unknown unconditional: 159] ], Cache Queries: [ total: 1906, positive: 918, positive conditional: 114, positive unconditional: 804, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 960, unknown conditional: 6, unknown unconditional: 954] , Statistics on independence cache: Total cache size (in pairs): 960, Positive cache size: 941, Positive conditional cache size: 4, Positive unconditional cache size: 937, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Eliminated conditions: 181, Maximal queried relation: 2, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 110, Number of trivial persistent sets: 50, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 518, positive: 506, positive conditional: 0, positive unconditional: 506, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 749, positive: 726, positive conditional: 220, positive unconditional: 506, negative: 23, negative conditional: 11, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1891, positive: 1859, positive conditional: 419, positive unconditional: 1440, negative: 32, negative conditional: 9, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1891, positive: 1859, positive conditional: 419, positive unconditional: 1440, negative: 32, negative conditional: 9, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1906, positive: 1859, positive conditional: 290, positive unconditional: 1569, negative: 47, negative conditional: 15, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1906, positive: 1859, positive conditional: 118, positive unconditional: 1741, negative: 47, negative conditional: 6, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1906, positive: 1859, positive conditional: 118, positive unconditional: 1741, negative: 47, negative conditional: 6, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 960, positive: 941, positive conditional: 4, positive unconditional: 937, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 960, positive: 925, positive conditional: 0, positive unconditional: 925, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 256, positive: 64, positive conditional: 6, positive unconditional: 57, negative: 34, negative conditional: 3, negative unconditional: 30, unknown: 159, unknown conditional: 0, unknown unconditional: 159] ], Cache Queries: [ total: 1906, positive: 918, positive conditional: 114, positive unconditional: 804, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 960, unknown conditional: 6, unknown unconditional: 954] , Statistics on independence cache: Total cache size (in pairs): 960, Positive cache size: 941, Positive conditional cache size: 4, Positive unconditional cache size: 937, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Eliminated conditions: 181, Maximal queried relation: 2, Independence queries for same thread: 4 - 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 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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, 0.5s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 486 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-11 08:20:36,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-11 08:20:36,660 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...