/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 13:41:12,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 13:41:12,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 13:41:12,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 13:41:12,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 13:41:12,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 13:41:12,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 13:41:12,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 13:41:12,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 13:41:12,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 13:41:12,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 13:41:12,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 13:41:12,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 13:41:12,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 13:41:12,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 13:41:12,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 13:41:12,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 13:41:12,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 13:41:12,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 13:41:12,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 13:41:12,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 13:41:12,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 13:41:12,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 13:41:12,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 13:41:12,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 13:41:12,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 13:41:12,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 13:41:12,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 13:41:12,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 13:41:12,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 13:41:12,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 13:41:12,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 13:41:12,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 13:41:12,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 13:41:12,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 13:41:12,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 13:41:12,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 13:41:12,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 13:41:12,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 13:41:12,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 13:41:12,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 13:41:12,242 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-NewStatesSleep-NoLbe.epf [2021-06-13 13:41:12,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 13:41:12,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 13:41:12,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 13:41:12,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 13:41:12,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 13:41:12,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 13:41:12,277 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 13:41:12,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 13:41:12,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 13:41:12,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 13:41:12,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 13:41:12,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 13:41:12,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 13:41:12,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 13:41:12,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 13:41:12,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 13:41:12,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 13:41:12,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 13:41:12,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 13:41:12,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 13:41:12,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 13:41:12,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 13:41:12,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 13:41:12,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 13:41:12,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 13:41:12,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 13:41:12,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 13:41:12,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 13:41:12,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 13:41:12,280 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 13:41:12,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 13:41:12,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 13:41:12,280 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 13:41:12,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 13:41:12,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 13:41:12,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 13:41:12,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 13:41:12,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 13:41:12,528 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 13:41:12,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_rmo.oepc.i [2021-06-13 13:41:12,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06ebec92e/02c9c646ce72406f969d2e9abf9389a7/FLAG9e040642f [2021-06-13 13:41:12,955 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 13:41:12,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_rmo.oepc.i [2021-06-13 13:41:12,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06ebec92e/02c9c646ce72406f969d2e9abf9389a7/FLAG9e040642f [2021-06-13 13:41:12,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06ebec92e/02c9c646ce72406f969d2e9abf9389a7 [2021-06-13 13:41:12,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 13:41:12,975 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 13:41:12,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 13:41:12,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 13:41:12,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 13:41:12,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 01:41:12" (1/1) ... [2021-06-13 13:41:12,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178a4622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:12, skipping insertion in model container [2021-06-13 13:41:12,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 01:41:12" (1/1) ... [2021-06-13 13:41:12,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 13:41:13,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 13:41:13,118 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/safe036_rmo.oepc.i[950,963] [2021-06-13 13:41:13,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 13:41:13,206 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 13:41:13,219 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/safe036_rmo.oepc.i[950,963] [2021-06-13 13:41:13,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 13:41:13,311 INFO L208 MainTranslator]: Completed translation [2021-06-13 13:41:13,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13 WrapperNode [2021-06-13 13:41:13,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 13:41:13,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 13:41:13,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 13:41:13,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 13:41:13,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (1/1) ... [2021-06-13 13:41:13,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (1/1) ... [2021-06-13 13:41:13,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 13:41:13,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 13:41:13,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 13:41:13,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 13:41:13,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (1/1) ... [2021-06-13 13:41:13,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (1/1) ... [2021-06-13 13:41:13,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (1/1) ... [2021-06-13 13:41:13,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (1/1) ... [2021-06-13 13:41:13,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (1/1) ... [2021-06-13 13:41:13,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (1/1) ... [2021-06-13 13:41:13,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (1/1) ... [2021-06-13 13:41:13,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 13:41:13,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 13:41:13,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 13:41:13,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 13:41:13,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (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 [2021-06-13 13:41:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 13:41:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 13:41:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 13:41:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 13:41:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 13:41:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 13:41:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 13:41:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 13:41:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 13:41:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 13:41:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 13:41:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 13:41:13,435 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 13:41:13,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 13:41:13,704 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-13 13:41:13,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 01:41:13 BoogieIcfgContainer [2021-06-13 13:41:13,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 13:41:13,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 13:41:13,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 13:41:13,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 13:41:13,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 01:41:12" (1/3) ... [2021-06-13 13:41:13,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9c91e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 01:41:13, skipping insertion in model container [2021-06-13 13:41:13,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:41:13" (2/3) ... [2021-06-13 13:41:13,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9c91e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 01:41:13, skipping insertion in model container [2021-06-13 13:41:13,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 01:41:13" (3/3) ... [2021-06-13 13:41:13,710 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_rmo.oepc.i [2021-06-13 13:41:13,714 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 13:41:13,714 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 13:41:13,715 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 13:41:13,715 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 13:41:13,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,735 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,736 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,736 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,736 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,741 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,741 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,745 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,745 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:41:13,749 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 13:41:13,763 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 [2021-06-13 13:41:13,806 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 13:41:13,806 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 13:41:13,806 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 13:41:13,806 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 13:41:13,806 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 13:41:13,806 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 13:41:13,807 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 13:41:13,807 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 13:41:13,840 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:41:13,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:41:13,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1023082555, now seen corresponding path program 1 times [2021-06-13 13:41:13,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:41:13,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969424427] [2021-06-13 13:41:13,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:41:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:41:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:41:13,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:41:13,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969424427] [2021-06-13 13:41:13,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969424427] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:41:13,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:41:13,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 13:41:13,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210429683] [2021-06-13 13:41:13,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-13 13:41:13,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:41:13,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-13 13:41:14,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-13 13:41:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,001 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:41:14,002 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2021-06-13 13:41:14,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 13:41:14,008 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:41:14,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:41:14,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1598573603, now seen corresponding path program 1 times [2021-06-13 13:41:14,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:41:14,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036687469] [2021-06-13 13:41:14,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:41:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:41:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:41:14,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:41:14,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036687469] [2021-06-13 13:41:14,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036687469] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:41:14,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:41:14,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 13:41:14,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928200174] [2021-06-13 13:41:14,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 13:41:14,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:41:14,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 13:41:14,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-13 13:41:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,167 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:41:14,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2021-06-13 13:41:14,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 13:41:14,302 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 13:41:14,302 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:41:14,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:41:14,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1514311269, now seen corresponding path program 1 times [2021-06-13 13:41:14,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:41:14,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241460846] [2021-06-13 13:41:14,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:41:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:41:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:41:14,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:41:14,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241460846] [2021-06-13 13:41:14,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241460846] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:41:14,431 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:41:14,431 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 13:41:14,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130687315] [2021-06-13 13:41:14,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 13:41:14,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:41:14,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 13:41:14,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 13:41:14,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,432 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:41:14,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 13:41:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 13:41:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:41:14,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 13:41:14,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 13:41:14,597 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:41:14,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:41:14,597 INFO L82 PathProgramCache]: Analyzing trace with hash -63815023, now seen corresponding path program 2 times [2021-06-13 13:41:14,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:41:14,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287680317] [2021-06-13 13:41:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:41:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:41:14,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:41:14,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:41:14,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287680317] [2021-06-13 13:41:14,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287680317] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:41:14,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:41:14,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 13:41:14,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592435419] [2021-06-13 13:41:14,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 13:41:14,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:41:14,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 13:41:14,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 13:41:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,696 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:41:14,696 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 13:41:14,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:41:14,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 13:41:14,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:41:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:41:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 13:41:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 13:41:14,847 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 13:41:14,852 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 13:41:14,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 01:41:14 BasicIcfg [2021-06-13 13:41:14,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 13:41:14,854 INFO L168 Benchmark]: Toolchain (without parser) took 1879.13 ms. Allocated memory was 196.1 MB in the beginning and 254.8 MB in the end (delta: 58.7 MB). Free memory was 158.6 MB in the beginning and 226.5 MB in the end (delta: -67.9 MB). Peak memory consumption was 97.3 MB. Max. memory is 8.0 GB. [2021-06-13 13:41:14,855 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 196.1 MB. Free memory is still 176.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 13:41:14,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.41 ms. Allocated memory is still 196.1 MB. Free memory was 158.3 MB in the beginning and 157.4 MB in the end (delta: 894.4 kB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. [2021-06-13 13:41:14,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.51 ms. Allocated memory is still 196.1 MB. Free memory was 157.4 MB in the beginning and 155.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 13:41:14,855 INFO L168 Benchmark]: Boogie Preprocessor took 26.56 ms. Allocated memory is still 196.1 MB. Free memory was 155.4 MB in the beginning and 154.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 13:41:14,856 INFO L168 Benchmark]: RCFGBuilder took 322.62 ms. Allocated memory is still 196.1 MB. Free memory was 154.4 MB in the beginning and 132.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-13 13:41:14,856 INFO L168 Benchmark]: TraceAbstraction took 1147.11 ms. Allocated memory was 196.1 MB in the beginning and 254.8 MB in the end (delta: 58.7 MB). Free memory was 132.3 MB in the beginning and 226.5 MB in the end (delta: -94.1 MB). Peak memory consumption was 70.5 MB. Max. memory is 8.0 GB. [2021-06-13 13:41:14,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 196.1 MB. Free memory is still 176.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 335.41 ms. Allocated memory is still 196.1 MB. Free memory was 158.3 MB in the beginning and 157.4 MB in the end (delta: 894.4 kB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.51 ms. Allocated memory is still 196.1 MB. Free memory was 157.4 MB in the beginning and 155.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.56 ms. Allocated memory is still 196.1 MB. Free memory was 155.4 MB in the beginning and 154.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 322.62 ms. Allocated memory is still 196.1 MB. Free memory was 154.4 MB in the beginning and 132.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1147.11 ms. Allocated memory was 196.1 MB in the beginning and 254.8 MB in the end (delta: 58.7 MB). Free memory was 132.3 MB in the beginning and 226.5 MB in the end (delta: -94.1 MB). Peak memory consumption was 70.5 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: 2871, positive: 2788, positive conditional: 2788, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2831, positive: 2788, positive conditional: 2788, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2831, positive: 2771, positive conditional: 0, positive unconditional: 2771, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 289, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 289, positive: 283, positive conditional: 0, positive unconditional: 283, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 29, negative conditional: 2, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2831, positive: 2487, positive conditional: 0, positive unconditional: 2487, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 289, unknown conditional: 0, unknown unconditional: 289] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 287, Positive conditional cache size: 3, Positive unconditional cache size: 284, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 184, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 167, negative conditional: 13, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 167, negative conditional: 13, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 29, negative conditional: 2, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 184, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 166, negative conditional: 12, negative unconditional: 154, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 287, Positive conditional cache size: 3, Positive unconditional cache size: 284, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 154, SemanticConditionEliminator.Independence Queries: [ total: 184, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 167, negative conditional: 13, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 167, negative conditional: 13, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 29, negative conditional: 2, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 184, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 166, negative conditional: 12, negative unconditional: 154, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 287, Positive conditional cache size: 3, Positive unconditional cache size: 284, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 154, SemanticConditionEliminator.Independence Queries: [ total: 184, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 167, negative conditional: 13, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 167, negative conditional: 13, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 29, negative conditional: 2, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 184, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 166, negative conditional: 12, negative unconditional: 154, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 287, Positive conditional cache size: 3, Positive unconditional cache size: 284, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 154, SemanticConditionEliminator.Independence Queries: [ total: 184, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 167, negative conditional: 13, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 167, negative conditional: 13, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 29, negative conditional: 2, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 184, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 166, negative conditional: 12, negative unconditional: 154, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 287, Positive conditional cache size: 3, Positive unconditional cache size: 284, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 154 ], Maximal queried relation: 4, Independence queries for same thread: 40 - 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: 1070.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.8ms, PartialOrderReductionTime: 479.0ms, 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: 9.3ms SsaConstructionTime, 69.2ms SatisfiabilityAnalysisTime, 381.7ms InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...