/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 12:06:08,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 12:06:08,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 12:06:08,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 12:06:08,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 12:06:08,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 12:06:08,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 12:06:08,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 12:06:08,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 12:06:08,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 12:06:08,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 12:06:08,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 12:06:08,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 12:06:08,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 12:06:08,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 12:06:08,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 12:06:08,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 12:06:08,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 12:06:08,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 12:06:08,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 12:06:08,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 12:06:08,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 12:06:08,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 12:06:08,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 12:06:08,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 12:06:08,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 12:06:08,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 12:06:08,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 12:06:08,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 12:06:08,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-17 12:06:08,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 12:06:08,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 12:06:08,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 12:06:08,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 12:06:08,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 12:06:08,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 12:06:08,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 12:06:08,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 12:06:08,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 12:06:08,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 12:06:08,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 12:06:08,604 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-Random42.epf [2021-06-17 12:06:08,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 12:06:08,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 12:06:08,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 12:06:08,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 12:06:08,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 12:06:08,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 12:06:08,621 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 12:06:08,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 12:06:08,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 12:06:08,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 12:06:08,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 12:06:08,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 12:06:08,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 12:06:08,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:06:08,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 12:06:08,623 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 12:06:08,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 12:06:08,624 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 12:06:08,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 12:06:08,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 12:06:08,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 12:06:08,869 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 12:06:08,869 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 12:06:08,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2021-06-17 12:06:08,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0acb1f8ce/51b27a435a3248b0aa003020d6ebed57/FLAGba3923289 [2021-06-17 12:06:09,344 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 12:06:09,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2021-06-17 12:06:09,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0acb1f8ce/51b27a435a3248b0aa003020d6ebed57/FLAGba3923289 [2021-06-17 12:06:09,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0acb1f8ce/51b27a435a3248b0aa003020d6ebed57 [2021-06-17 12:06:09,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 12:06:09,703 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 12:06:09,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 12:06:09,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 12:06:09,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 12:06:09,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:06:09" (1/1) ... [2021-06-17 12:06:09,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1266d1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:09, skipping insertion in model container [2021-06-17 12:06:09,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:06:09" (1/1) ... [2021-06-17 12:06:09,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 12:06:09,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 12:06:09,936 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i[949,962] [2021-06-17 12:06:10,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:06:10,088 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 12:06:10,098 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i[949,962] [2021-06-17 12:06:10,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:06:10,188 INFO L208 MainTranslator]: Completed translation [2021-06-17 12:06:10,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10 WrapperNode [2021-06-17 12:06:10,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 12:06:10,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 12:06:10,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 12:06:10,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 12:06:10,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... [2021-06-17 12:06:10,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... [2021-06-17 12:06:10,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 12:06:10,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 12:06:10,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 12:06:10,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 12:06:10,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... [2021-06-17 12:06:10,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... [2021-06-17 12:06:10,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... [2021-06-17 12:06:10,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... [2021-06-17 12:06:10,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... [2021-06-17 12:06:10,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... [2021-06-17 12:06:10,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... [2021-06-17 12:06:10,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 12:06:10,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 12:06:10,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 12:06:10,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 12:06:10,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:06:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 12:06:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 12:06:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 12:06:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 12:06:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 12:06:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 12:06:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 12:06:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 12:06:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 12:06:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 12:06:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 12:06:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 12:06:10,333 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 12:06:10,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 12:06:10,622 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 12:06:10,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:06:10 BoogieIcfgContainer [2021-06-17 12:06:10,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 12:06:10,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 12:06:10,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 12:06:10,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 12:06:10,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 12:06:09" (1/3) ... [2021-06-17 12:06:10,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667ca5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:06:10, skipping insertion in model container [2021-06-17 12:06:10,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:06:10" (2/3) ... [2021-06-17 12:06:10,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667ca5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:06:10, skipping insertion in model container [2021-06-17 12:06:10,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:06:10" (3/3) ... [2021-06-17 12:06:10,628 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.opt.i [2021-06-17 12:06:10,632 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 12:06:10,632 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 12:06:10,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 12:06:10,632 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 12:06:10,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,648 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,648 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,648 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,648 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,649 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,649 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,650 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,650 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,650 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,650 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,652 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,652 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:06:10,657 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 12:06:10,672 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 12:06:10,717 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 12:06:10,717 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 12:06:10,717 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 12:06:10,717 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 12:06:10,718 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 12:06:10,718 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 12:06:10,718 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 12:06:10,718 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 12:06:10,819 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:06:10,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:06:10,823 INFO L82 PathProgramCache]: Analyzing trace with hash -171141564, now seen corresponding path program 1 times [2021-06-17 12:06:10,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:06:10,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456699702] [2021-06-17 12:06:10,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:06:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:06:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:06:11,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:06:11,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456699702] [2021-06-17 12:06:11,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456699702] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:06:11,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:06:11,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 12:06:11,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71965951] [2021-06-17 12:06:11,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 12:06:11,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:06:11,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 12:06:11,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-17 12:06:11,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:06:11,045 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:06:11,046 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 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) [2021-06-17 12:06:11,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:06:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:06:11,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 12:06:11,148 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:06:11,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:06:11,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1185914808, now seen corresponding path program 2 times [2021-06-17 12:06:11,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:06:11,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485013268] [2021-06-17 12:06:11,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:06:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:06:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:06:11,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:06:11,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485013268] [2021-06-17 12:06:11,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485013268] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:06:11,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:06:11,273 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:06:11,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659560422] [2021-06-17 12:06:11,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:06:11,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:06:11,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:06:11,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:06:11,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:06:11,275 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:06:11,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 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) [2021-06-17 12:06:11,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:06:11,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:06:11,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:06:11,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:06:11,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 12:06:11,590 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:06:11,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:06:11,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1986821594, now seen corresponding path program 3 times [2021-06-17 12:06:11,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:06:11,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710903563] [2021-06-17 12:06:11,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:06:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:06:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:06:11,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:06:11,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710903563] [2021-06-17 12:06:11,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710903563] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:06:11,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:06:11,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 12:06:11,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433725239] [2021-06-17 12:06:11,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 12:06:11,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:06:11,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 12:06:11,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-17 12:06:11,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:06:11,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:06:11,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 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) [2021-06-17 12:06:11,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:06:11,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:06:11,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:06:11,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:06:11,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:06:11,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:06:11,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 12:06:11,987 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 12:06:11,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 12:06:11 BasicIcfg [2021-06-17 12:06:11,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 12:06:11,989 INFO L168 Benchmark]: Toolchain (without parser) took 2285.57 ms. Allocated memory was 185.6 MB in the beginning and 237.0 MB in the end (delta: 51.4 MB). Free memory was 147.7 MB in the beginning and 145.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 54.6 MB. Max. memory is 8.0 GB. [2021-06-17 12:06:11,992 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 185.6 MB. Free memory is still 165.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 12:06:11,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.97 ms. Allocated memory is still 185.6 MB. Free memory was 147.5 MB in the beginning and 146.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. [2021-06-17 12:06:11,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 185.6 MB. Free memory was 146.0 MB in the beginning and 144.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:06:11,993 INFO L168 Benchmark]: Boogie Preprocessor took 26.44 ms. Allocated memory is still 185.6 MB. Free memory was 144.3 MB in the beginning and 142.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 12:06:11,993 INFO L168 Benchmark]: RCFGBuilder took 363.02 ms. Allocated memory is still 185.6 MB. Free memory was 142.8 MB in the beginning and 162.1 MB in the end (delta: -19.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-06-17 12:06:11,993 INFO L168 Benchmark]: TraceAbstraction took 1364.51 ms. Allocated memory was 185.6 MB in the beginning and 237.0 MB in the end (delta: 51.4 MB). Free memory was 161.6 MB in the beginning and 145.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 67.8 MB. Max. memory is 8.0 GB. [2021-06-17 12:06:11,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 185.6 MB. Free memory is still 165.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 483.97 ms. Allocated memory is still 185.6 MB. Free memory was 147.5 MB in the beginning and 146.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 185.6 MB. Free memory was 146.0 MB in the beginning and 144.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.44 ms. Allocated memory is still 185.6 MB. Free memory was 144.3 MB in the beginning and 142.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 363.02 ms. Allocated memory is still 185.6 MB. Free memory was 142.8 MB in the beginning and 162.1 MB in the end (delta: -19.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1364.51 ms. Allocated memory was 185.6 MB in the beginning and 237.0 MB in the end (delta: 51.4 MB). Free memory was 161.6 MB in the beginning and 145.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 67.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4274, positive: 3987, positive conditional: 2515, positive unconditional: 1472, negative: 287, negative conditional: 265, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4031, positive: 3987, positive conditional: 2515, positive unconditional: 1472, negative: 44, negative conditional: 22, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4031, positive: 3970, positive conditional: 0, positive unconditional: 3970, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 548, positive: 537, positive conditional: 0, positive unconditional: 537, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 548, positive: 535, positive conditional: 0, positive unconditional: 535, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 48, negative conditional: 5, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4031, positive: 3433, positive conditional: 0, positive unconditional: 3433, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 548, unknown conditional: 0, unknown unconditional: 548] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 540, Positive conditional cache size: 3, Positive unconditional cache size: 537, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 48, negative conditional: 5, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 98, negative conditional: 11, negative unconditional: 87, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 540, Positive conditional cache size: 3, Positive unconditional cache size: 537, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 48, negative conditional: 5, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 98, negative conditional: 11, negative unconditional: 87, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 540, Positive conditional cache size: 3, Positive unconditional cache size: 537, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 48, negative conditional: 5, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 98, negative conditional: 11, negative unconditional: 87, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 540, Positive conditional cache size: 3, Positive unconditional cache size: 537, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 59 ], Maximal queried relation: 3, Independence queries for same thread: 243 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 214, Number of persistent set computation: 2786, Number of trivial persistent sets: 2339, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4274, positive: 3987, positive conditional: 2515, positive unconditional: 1472, negative: 287, negative conditional: 265, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4031, positive: 3987, positive conditional: 2515, positive unconditional: 1472, negative: 44, negative conditional: 22, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4031, positive: 3970, positive conditional: 0, positive unconditional: 3970, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 548, positive: 537, positive conditional: 0, positive unconditional: 537, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 548, positive: 535, positive conditional: 0, positive unconditional: 535, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 48, negative conditional: 5, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4031, positive: 3433, positive conditional: 0, positive unconditional: 3433, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 548, unknown conditional: 0, unknown unconditional: 548] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 540, Positive conditional cache size: 3, Positive unconditional cache size: 537, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 48, negative conditional: 5, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 98, negative conditional: 11, negative unconditional: 87, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 540, Positive conditional cache size: 3, Positive unconditional cache size: 537, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 48, negative conditional: 5, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 98, negative conditional: 11, negative unconditional: 87, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 540, Positive conditional cache size: 3, Positive unconditional cache size: 537, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 101, negative conditional: 14, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 48, negative conditional: 5, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 98, negative conditional: 11, negative unconditional: 87, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 540, Positive conditional cache size: 3, Positive unconditional cache size: 537, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 59 ], Maximal queried relation: 3, Independence queries for same thread: 243 - 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, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1303.9ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.8ms, PartialOrderReductionTime: 730.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.8ms SsaConstructionTime, 69.7ms SatisfiabilityAnalysisTime, 331.6ms InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 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! Received shutdown request...