/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 00:06:51,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 00:06:51,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 00:06:51,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 00:06:51,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 00:06:51,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 00:06:51,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 00:06:51,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 00:06:51,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 00:06:51,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 00:06:51,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 00:06:51,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 00:06:51,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 00:06:51,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 00:06:51,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 00:06:51,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 00:06:51,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 00:06:51,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 00:06:51,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 00:06:51,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 00:06:51,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 00:06:51,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 00:06:51,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 00:06:51,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 00:06:51,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 00:06:51,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 00:06:51,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 00:06:51,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 00:06:51,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 00:06:51,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 00:06:51,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 00:06:51,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 00:06:51,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 00:06:51,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 00:06:51,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 00:06:51,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 00:06:51,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 00:06:51,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 00:06:51,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 00:06:51,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 00:06:51,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 00:06:51,436 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-Symm.epf [2021-08-07 00:06:51,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 00:06:51,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 00:06:51,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 00:06:51,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 00:06:51,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 00:06:51,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 00:06:51,462 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 00:06:51,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 00:06:51,462 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 00:06:51,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 00:06:51,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 00:06:51,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 00:06:51,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 00:06:51,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 00:06:51,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 00:06:51,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 00:06:51,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 00:06:51,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 00:06:51,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 00:06:51,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 00:06:51,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 00:06:51,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 00:06:51,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 00:06:51,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 00:06:51,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 00:06:51,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 00:06:51,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 00:06:51,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 00:06:51,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 00:06:51,465 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 00:06:51,466 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 00:06:51,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 00:06:51,466 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 00:06:51,466 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-08-07 00:06:51,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 00:06:51,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 00:06:51,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 00:06:51,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 00:06:51,765 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 00:06:51,765 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 00:06:51,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_rmo.oepc.i [2021-08-07 00:06:51,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5fa7a50b/78d1c5b4f7714d7fae1a35d79bcd1f8a/FLAG855cef591 [2021-08-07 00:06:52,383 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 00:06:52,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_rmo.oepc.i [2021-08-07 00:06:52,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5fa7a50b/78d1c5b4f7714d7fae1a35d79bcd1f8a/FLAG855cef591 [2021-08-07 00:06:52,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5fa7a50b/78d1c5b4f7714d7fae1a35d79bcd1f8a [2021-08-07 00:06:52,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 00:06:52,797 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 00:06:52,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 00:06:52,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 00:06:52,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 00:06:52,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:06:52" (1/1) ... [2021-08-07 00:06:52,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f26a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:52, skipping insertion in model container [2021-08-07 00:06:52,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:06:52" (1/1) ... [2021-08-07 00:06:52,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 00:06:52,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 00:06:52,981 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/safe035_rmo.oepc.i[950,963] [2021-08-07 00:06:53,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 00:06:53,172 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 00:06:53,183 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/safe035_rmo.oepc.i[950,963] [2021-08-07 00:06:53,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 00:06:53,261 INFO L208 MainTranslator]: Completed translation [2021-08-07 00:06:53,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53 WrapperNode [2021-08-07 00:06:53,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 00:06:53,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 00:06:53,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 00:06:53,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 00:06:53,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 00:06:53,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 00:06:53,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 00:06:53,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 00:06:53,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 00:06:53,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 00:06:53,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 00:06:53,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 00:06:53,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (1/1) ... [2021-08-07 00:06:53,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 00:06:53,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 00:06:53,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 00:06:53,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 00:06:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 00:06:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 00:06:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 00:06:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 00:06:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 00:06:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 00:06:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 00:06:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 00:06:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 00:06:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 00:06:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 00:06:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 00:06:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 00:06:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 00:06:53,433 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 00:06:53,865 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 00:06:53,865 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 00:06:53,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:06:53 BoogieIcfgContainer [2021-08-07 00:06:53,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 00:06:53,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 00:06:53,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 00:06:53,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 00:06:53,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 12:06:52" (1/3) ... [2021-08-07 00:06:53,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbe58ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:06:53, skipping insertion in model container [2021-08-07 00:06:53,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:53" (2/3) ... [2021-08-07 00:06:53,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbe58ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:06:53, skipping insertion in model container [2021-08-07 00:06:53,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:06:53" (3/3) ... [2021-08-07 00:06:53,874 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_rmo.oepc.i [2021-08-07 00:06:53,878 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 00:06:53,878 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 00:06:53,878 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 00:06:53,878 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 00:06:53,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,913 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,913 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,914 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,914 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,916 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,916 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,924 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,924 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,926 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,926 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,930 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,931 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,931 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,931 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,939 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,939 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,941 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,942 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:53,946 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 00:06:53,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 00:06:54,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 00:06:54,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 00:06:54,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 00:06:54,037 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 00:06:54,046 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 00:06:54,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 00:06:54,097 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:54,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:54,102 INFO L82 PathProgramCache]: Analyzing trace with hash -820769179, now seen corresponding path program 1 times [2021-08-07 00:06:54,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:54,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166804460] [2021-08-07 00:06:54,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:54,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:54,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:54,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166804460] [2021-08-07 00:06:54,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166804460] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:54,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:54,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 00:06:54,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099504704] [2021-08-07 00:06:54,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 00:06:54,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:54,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 00:06:54,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 00:06:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:54,337 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:54,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2021-08-07 00:06:54,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:54,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 00:06:54,520 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:54,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:54,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1545326055, now seen corresponding path program 1 times [2021-08-07 00:06:54,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:54,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29761590] [2021-08-07 00:06:54,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:54,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:54,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:54,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29761590] [2021-08-07 00:06:54,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29761590] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:54,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:54,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:54,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949020285] [2021-08-07 00:06:54,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:54,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:54,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:54,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:54,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:54,799 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:54,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2021-08-07 00:06:54,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:54,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:55,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:55,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 00:06:55,202 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:55,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:55,210 INFO L82 PathProgramCache]: Analyzing trace with hash -2074121318, now seen corresponding path program 1 times [2021-08-07 00:06:55,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:55,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42188451] [2021-08-07 00:06:55,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:55,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:55,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:55,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42188451] [2021-08-07 00:06:55,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42188451] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:55,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:55,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:55,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291327018] [2021-08-07 00:06:55,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:55,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:55,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:55,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:55,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:55,401 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:55,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:06:55,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:55,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:55,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:55,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 00:06:55,607 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:55,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:55,608 INFO L82 PathProgramCache]: Analyzing trace with hash 32952642, now seen corresponding path program 1 times [2021-08-07 00:06:55,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:55,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745672462] [2021-08-07 00:06:55,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:55,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:55,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:55,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745672462] [2021-08-07 00:06:55,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745672462] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:55,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:55,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:55,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094567884] [2021-08-07 00:06:55,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:55,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:55,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:55,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:55,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:55,819 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:55,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-08-07 00:06:55,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:55,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:55,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:55,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 00:06:56,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 00:06:56,136 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:56,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:56,136 INFO L82 PathProgramCache]: Analyzing trace with hash -171571439, now seen corresponding path program 1 times [2021-08-07 00:06:56,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:56,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144560078] [2021-08-07 00:06:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:56,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:56,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:56,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:56,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144560078] [2021-08-07 00:06:56,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144560078] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:56,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:56,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:56,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21528574] [2021-08-07 00:06:56,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:56,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:56,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:56,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:56,262 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:56,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-08-07 00:06:56,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:56,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:56,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:56,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 00:06:56,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 00:06:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:56,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 00:06:56,580 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:56,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:56,581 INFO L82 PathProgramCache]: Analyzing trace with hash -925504871, now seen corresponding path program 2 times [2021-08-07 00:06:56,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:56,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011044116] [2021-08-07 00:06:56,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:56,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:56,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:56,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:56,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011044116] [2021-08-07 00:06:56,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011044116] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:56,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:56,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 00:06:56,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313222252] [2021-08-07 00:06:56,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 00:06:56,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:56,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 00:06:56,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 00:06:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:56,753 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:56,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2021-08-07 00:06:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:56,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:56,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:56,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 00:06:56,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:56,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:57,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 00:06:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 00:06:57,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 00:06:57,341 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:57,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:57,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1496156001, now seen corresponding path program 1 times [2021-08-07 00:06:57,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:57,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407029854] [2021-08-07 00:06:57,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:57,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:57,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:57,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407029854] [2021-08-07 00:06:57,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407029854] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:57,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:57,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 00:06:57,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759442210] [2021-08-07 00:06:57,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 00:06:57,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:57,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 00:06:57,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-07 00:06:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:57,486 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:57,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-08-07 00:06:57,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:57,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:57,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:57,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 00:06:57,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:57,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 00:06:57,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 00:06:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 00:06:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 00:06:58,001 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 00:06:58,002 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 00:06:58,002 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 00:06:58,002 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 00:06:58,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-07 00:06:58,014 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 00:06:58,014 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 00:06:58,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 12:06:58 BasicIcfg [2021-08-07 00:06:58,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 00:06:58,019 INFO L168 Benchmark]: Toolchain (without parser) took 5219.97 ms. Allocated memory was 192.9 MB in the beginning and 250.6 MB in the end (delta: 57.7 MB). Free memory was 156.6 MB in the beginning and 87.9 MB in the end (delta: 68.7 MB). Peak memory consumption was 127.8 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:58,019 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 192.9 MB. Free memory is still 174.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 00:06:58,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.36 ms. Allocated memory is still 192.9 MB. Free memory was 156.3 MB in the beginning and 167.5 MB in the end (delta: -11.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:58,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.37 ms. Allocated memory is still 192.9 MB. Free memory was 167.5 MB in the beginning and 165.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:58,019 INFO L168 Benchmark]: Boogie Preprocessor took 21.53 ms. Allocated memory is still 192.9 MB. Free memory was 165.4 MB in the beginning and 163.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:58,020 INFO L168 Benchmark]: RCFGBuilder took 512.14 ms. Allocated memory is still 192.9 MB. Free memory was 163.8 MB in the beginning and 139.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:58,020 INFO L168 Benchmark]: TraceAbstraction took 4147.74 ms. Allocated memory was 192.9 MB in the beginning and 250.6 MB in the end (delta: 57.7 MB). Free memory was 139.2 MB in the beginning and 87.9 MB in the end (delta: 51.3 MB). Peak memory consumption was 110.6 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:58,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 192.9 MB. Free memory is still 174.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 455.36 ms. Allocated memory is still 192.9 MB. Free memory was 156.3 MB in the beginning and 167.5 MB in the end (delta: -11.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 68.37 ms. Allocated memory is still 192.9 MB. Free memory was 167.5 MB in the beginning and 165.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.53 ms. Allocated memory is still 192.9 MB. Free memory was 165.4 MB in the beginning and 163.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 512.14 ms. Allocated memory is still 192.9 MB. Free memory was 163.8 MB in the beginning and 139.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4147.74 ms. Allocated memory was 192.9 MB in the beginning and 250.6 MB in the end (delta: 57.7 MB). Free memory was 139.2 MB in the beginning and 87.9 MB in the end (delta: 51.3 MB). Peak memory consumption was 110.6 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: 90603, positive: 89118, positive conditional: 89118, positive unconditional: 0, negative: 1485, negative conditional: 1485, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90457, positive: 89118, positive conditional: 89118, positive unconditional: 0, negative: 1339, negative conditional: 1339, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 90457, positive: 89118, positive conditional: 89118, positive unconditional: 0, negative: 1339, negative conditional: 1339, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97129, positive: 89118, positive conditional: 89009, positive unconditional: 109, negative: 8011, negative conditional: 6672, negative unconditional: 1339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 97129, positive: 89118, positive conditional: 26569, positive unconditional: 62549, negative: 8011, negative conditional: 694, negative unconditional: 7317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 97129, positive: 89118, positive conditional: 26569, positive unconditional: 62549, negative: 8011, negative conditional: 694, negative unconditional: 7317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 832, positive: 800, positive conditional: 372, positive unconditional: 428, negative: 32, negative conditional: 20, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 832, positive: 773, positive conditional: 0, positive unconditional: 773, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 32, negative conditional: 20, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 143, positive conditional: 87, positive unconditional: 56, negative: 89, negative conditional: 47, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97129, positive: 88318, positive conditional: 26197, positive unconditional: 62121, negative: 7979, negative conditional: 674, negative unconditional: 7305, unknown: 832, unknown conditional: 392, unknown unconditional: 440] , Statistics on independence cache: Total cache size (in pairs): 832, Positive cache size: 800, Positive conditional cache size: 372, Positive unconditional cache size: 428, Negative cache size: 32, Negative conditional cache size: 20, Negative unconditional cache size: 12, Eliminated conditions: 68418, Maximal queried relation: 7, Independence queries for same thread: 146 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4017.1ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.1ms, PartialOrderReductionTime: 2548.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 69, 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: 31.2ms SsaConstructionTime, 200.6ms SatisfiabilityAnalysisTime, 942.2ms InterpolantComputationTime, 401 NumberOfCodeBlocks, 401 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 1003 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2021-08-07 00:06:58,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 00:06:58,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...