/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 08:36:01,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 08:36:01,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 08:36:02,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 08:36:02,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 08:36:02,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 08:36:02,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 08:36:02,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 08:36:02,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 08:36:02,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 08:36:02,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 08:36:02,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 08:36:02,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 08:36:02,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 08:36:02,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 08:36:02,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 08:36:02,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 08:36:02,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 08:36:02,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 08:36:02,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 08:36:02,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 08:36:02,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 08:36:02,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 08:36:02,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 08:36:02,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 08:36:02,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 08:36:02,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 08:36:02,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 08:36:02,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 08:36:02,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-17 08:36:02,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 08:36:02,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 08:36:02,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 08:36:02,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 08:36:02,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 08:36:02,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 08:36:02,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 08:36:02,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 08:36:02,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 08:36:02,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 08:36:02,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 08:36:02,060 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-Lockstep.epf [2021-06-17 08:36:02,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 08:36:02,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 08:36:02,090 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 08:36:02,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 08:36:02,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 08:36:02,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 08:36:02,092 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 08:36:02,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 08:36:02,093 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 08:36:02,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 08:36:02,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 08:36:02,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 08:36:02,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 08:36:02,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 08:36:02,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 08:36:02,094 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 08:36:02,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 08:36:02,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 08:36:02,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 08:36:02,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 08:36:02,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 08:36:02,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 08:36:02,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 08:36:02,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 08:36:02,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 08:36:02,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 08:36:02,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 08:36:02,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 08:36:02,096 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 08:36:02,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 08:36:02,096 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 08:36:02,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 08:36:02,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 08:36:02,096 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 08:36:02,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 08:36:02,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 08:36:02,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 08:36:02,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 08:36:02,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 08:36:02,370 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 08:36:02,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i [2021-06-17 08:36:02,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2013d7991/54fae8e9742c41139751d781d4751c80/FLAGda188116f [2021-06-17 08:36:02,765 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 08:36:02,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i [2021-06-17 08:36:02,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2013d7991/54fae8e9742c41139751d781d4751c80/FLAGda188116f [2021-06-17 08:36:03,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2013d7991/54fae8e9742c41139751d781d4751c80 [2021-06-17 08:36:03,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 08:36:03,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 08:36:03,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 08:36:03,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 08:36:03,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 08:36:03,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf28b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03, skipping insertion in model container [2021-06-17 08:36:03,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 08:36:03,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 08:36:03,309 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/safe006_tso.oepc.i[950,963] [2021-06-17 08:36:03,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:36:03,408 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 08:36:03,431 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/safe006_tso.oepc.i[950,963] [2021-06-17 08:36:03,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:36:03,501 INFO L208 MainTranslator]: Completed translation [2021-06-17 08:36:03,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03 WrapperNode [2021-06-17 08:36:03,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 08:36:03,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 08:36:03,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 08:36:03,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 08:36:03,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 08:36:03,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 08:36:03,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 08:36:03,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 08:36:03,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (1/1) ... [2021-06-17 08:36:03,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 08:36:03,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 08:36:03,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 08:36:03,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 08:36:03,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (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 08:36:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 08:36:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 08:36:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 08:36:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 08:36:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 08:36:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 08:36:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 08:36:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 08:36:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 08:36:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 08:36:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 08:36:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 08:36:03,625 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 08:36:03,901 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 08:36:03,901 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 08:36:03,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:36:03 BoogieIcfgContainer [2021-06-17 08:36:03,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 08:36:03,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 08:36:03,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 08:36:03,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 08:36:03,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 08:36:03" (1/3) ... [2021-06-17 08:36:03,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650a59de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:36:03, skipping insertion in model container [2021-06-17 08:36:03,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:36:03" (2/3) ... [2021-06-17 08:36:03,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650a59de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:36:03, skipping insertion in model container [2021-06-17 08:36:03,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:36:03" (3/3) ... [2021-06-17 08:36:03,907 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_tso.oepc.i [2021-06-17 08:36:03,911 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 08:36:03,911 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 08:36:03,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 08:36:03,912 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 08:36:03,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,936 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,937 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,937 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,937 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,939 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,939 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,939 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,939 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,942 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,943 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,946 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,946 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:36:03,951 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 08:36:03,964 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 08:36:04,008 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 08:36:04,008 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 08:36:04,008 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 08:36:04,008 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 08:36:04,008 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 08:36:04,008 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 08:36:04,008 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 08:36:04,008 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 08:36:04,139 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:36:04,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:36:04,143 INFO L82 PathProgramCache]: Analyzing trace with hash 457619308, now seen corresponding path program 1 times [2021-06-17 08:36:04,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:36:04,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129793945] [2021-06-17 08:36:04,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:36:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:36:04,315 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 08:36:04,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:36:04,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129793945] [2021-06-17 08:36:04,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129793945] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:36:04,317 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:36:04,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 08:36:04,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743220100] [2021-06-17 08:36:04,321 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-17 08:36:04,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:36:04,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-17 08:36:04,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-17 08:36:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:04,334 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:36:04,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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 08:36:04,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:04,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 08:36:04,364 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:36:04,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:36:04,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1296151654, now seen corresponding path program 1 times [2021-06-17 08:36:04,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:36:04,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769106834] [2021-06-17 08:36:04,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:36:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:36:04,554 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 08:36:04,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:36:04,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769106834] [2021-06-17 08:36:04,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769106834] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:36:04,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:36:04,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 08:36:04,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180672299] [2021-06-17 08:36:04,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 08:36:04,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:36:04,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 08:36:04,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-17 08:36:04,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:04,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:36:04,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 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) [2021-06-17 08:36:04,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:04,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:04,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:04,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 08:36:04,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 08:36:04,858 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:36:04,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:36:04,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1073998244, now seen corresponding path program 2 times [2021-06-17 08:36:04,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:36:04,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584933764] [2021-06-17 08:36:04,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:36:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:36:04,964 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 08:36:04,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:36:04,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584933764] [2021-06-17 08:36:04,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584933764] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:36:04,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:36:04,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 08:36:04,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508836397] [2021-06-17 08:36:04,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 08:36:04,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:36:04,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 08:36:04,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-17 08:36:04,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:04,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:36:04,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 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) [2021-06-17 08:36:04,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:04,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 08:36:04,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:36:05,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 08:36:05,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 08:36:05,242 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 08:36:05,248 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 08:36:05,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 08:36:05 BasicIcfg [2021-06-17 08:36:05,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 08:36:05,250 INFO L168 Benchmark]: Toolchain (without parser) took 2090.20 ms. Allocated memory was 203.4 MB in the beginning and 244.3 MB in the end (delta: 40.9 MB). Free memory was 166.6 MB in the beginning and 154.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 54.8 MB. Max. memory is 8.0 GB. [2021-06-17 08:36:05,251 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 203.4 MB. Free memory is still 184.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 08:36:05,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.16 ms. Allocated memory is still 203.4 MB. Free memory was 166.4 MB in the beginning and 166.8 MB in the end (delta: -330.9 kB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. [2021-06-17 08:36:05,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.38 ms. Allocated memory is still 203.4 MB. Free memory was 166.8 MB in the beginning and 164.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 08:36:05,251 INFO L168 Benchmark]: Boogie Preprocessor took 24.27 ms. Allocated memory is still 203.4 MB. Free memory was 164.7 MB in the beginning and 163.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 08:36:05,252 INFO L168 Benchmark]: RCFGBuilder took 331.05 ms. Allocated memory is still 203.4 MB. Free memory was 163.6 MB in the beginning and 142.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-17 08:36:05,252 INFO L168 Benchmark]: TraceAbstraction took 1345.99 ms. Allocated memory was 203.4 MB in the beginning and 244.3 MB in the end (delta: 40.9 MB). Free memory was 142.1 MB in the beginning and 154.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2021-06-17 08:36:05,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 203.4 MB. Free memory is still 184.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 339.16 ms. Allocated memory is still 203.4 MB. Free memory was 166.4 MB in the beginning and 166.8 MB in the end (delta: -330.9 kB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.38 ms. Allocated memory is still 203.4 MB. Free memory was 166.8 MB in the beginning and 164.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.27 ms. Allocated memory is still 203.4 MB. Free memory was 164.7 MB in the beginning and 163.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 331.05 ms. Allocated memory is still 203.4 MB. Free memory was 163.6 MB in the beginning and 142.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1345.99 ms. Allocated memory was 203.4 MB in the beginning and 244.3 MB in the end (delta: 40.9 MB). Free memory was 142.1 MB in the beginning and 154.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 30.1 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: 7036, positive: 6687, positive conditional: 3366, positive unconditional: 3321, negative: 349, negative conditional: 310, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6773, positive: 6687, positive conditional: 3366, positive unconditional: 3321, negative: 86, negative conditional: 47, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6773, positive: 6668, positive conditional: 0, positive unconditional: 6668, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 502, positive: 493, positive conditional: 0, positive unconditional: 493, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 502, positive: 491, positive conditional: 0, positive unconditional: 491, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 56, negative conditional: 4, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6773, positive: 6175, positive conditional: 0, positive unconditional: 6175, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 502, unknown conditional: 0, unknown unconditional: 502] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 496, Positive conditional cache size: 3, Positive unconditional cache size: 493, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 56, negative conditional: 4, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 230, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 208, negative conditional: 7, negative unconditional: 201, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 496, Positive conditional cache size: 3, Positive unconditional cache size: 493, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, Eliminated conditions: 130, SemanticConditionEliminator.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 56, negative conditional: 4, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 230, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 208, negative conditional: 7, negative unconditional: 201, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 496, Positive conditional cache size: 3, Positive unconditional cache size: 493, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, Eliminated conditions: 130, SemanticConditionEliminator.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 56, negative conditional: 4, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 230, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 208, negative conditional: 7, negative unconditional: 201, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 496, Positive conditional cache size: 3, Positive unconditional cache size: 493, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, Eliminated conditions: 130 ], Maximal queried relation: 3, Independence queries for same thread: 263 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 286, Number of persistent set computation: 3757, Number of trivial persistent sets: 3454, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7036, positive: 6687, positive conditional: 3366, positive unconditional: 3321, negative: 349, negative conditional: 310, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6773, positive: 6687, positive conditional: 3366, positive unconditional: 3321, negative: 86, negative conditional: 47, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6773, positive: 6668, positive conditional: 0, positive unconditional: 6668, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 502, positive: 493, positive conditional: 0, positive unconditional: 493, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 502, positive: 491, positive conditional: 0, positive unconditional: 491, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 56, negative conditional: 4, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6773, positive: 6175, positive conditional: 0, positive unconditional: 6175, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 502, unknown conditional: 0, unknown unconditional: 502] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 496, Positive conditional cache size: 3, Positive unconditional cache size: 493, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 56, negative conditional: 4, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 230, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 208, negative conditional: 7, negative unconditional: 201, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 496, Positive conditional cache size: 3, Positive unconditional cache size: 493, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, Eliminated conditions: 130, SemanticConditionEliminator.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 56, negative conditional: 4, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 230, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 208, negative conditional: 7, negative unconditional: 201, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 496, Positive conditional cache size: 3, Positive unconditional cache size: 493, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, Eliminated conditions: 130, SemanticConditionEliminator.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 230, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 211, negative conditional: 10, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 56, negative conditional: 4, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 230, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 208, negative conditional: 7, negative unconditional: 201, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 496, Positive conditional cache size: 3, Positive unconditional cache size: 493, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, Eliminated conditions: 130 ], Maximal queried relation: 3, Independence queries for same thread: 263 - 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, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1266.4ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.8ms, PartialOrderReductionTime: 725.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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: 21.3ms SsaConstructionTime, 82.1ms SatisfiabilityAnalysisTime, 286.5ms InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 497 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...