/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 02:25:54,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 02:25:54,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 02:25:54,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 02:25:54,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 02:25:54,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 02:25:54,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 02:25:54,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 02:25:54,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 02:25:54,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 02:25:54,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 02:25:54,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 02:25:54,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 02:25:54,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 02:25:54,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 02:25:54,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 02:25:54,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 02:25:54,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 02:25:54,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 02:25:54,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 02:25:54,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 02:25:54,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 02:25:54,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 02:25:54,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 02:25:54,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 02:25:54,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 02:25:54,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 02:25:54,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 02:25:54,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 02:25:54,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 02:25:54,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 02:25:54,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 02:25:54,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 02:25:54,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 02:25:54,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 02:25:54,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 02:25:54,293 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-Sleep-NoLbe-New_States.epf [2021-01-27 02:25:54,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 02:25:54,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 02:25:54,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 02:25:54,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 02:25:54,325 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 02:25:54,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 02:25:54,326 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 02:25:54,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 02:25:54,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 02:25:54,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 02:25:54,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 02:25:54,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 02:25:54,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 02:25:54,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 02:25:54,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 02:25:54,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 02:25:54,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 02:25:54,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 02:25:54,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 02:25:54,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 02:25:54,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 02:25:54,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:25:54,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 02:25:54,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 02:25:54,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 02:25:54,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 02:25:54,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 02:25:54,333 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 02:25:54,333 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 02:25:54,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 02:25:54,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 02:25:54,334 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 02:25:54,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 02:25:54,335 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 02:25:54,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 02:25:54,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 02:25:54,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 02:25:54,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 02:25:54,841 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 02:25:54,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-01-27 02:25:54,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b93b86f8a/3c8cb32dd5f24f2f9f358b37fb70e9c5/FLAG198c5e775 [2021-01-27 02:25:55,739 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 02:25:55,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-01-27 02:25:55,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b93b86f8a/3c8cb32dd5f24f2f9f358b37fb70e9c5/FLAG198c5e775 [2021-01-27 02:25:55,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b93b86f8a/3c8cb32dd5f24f2f9f358b37fb70e9c5 [2021-01-27 02:25:55,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 02:25:55,987 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 02:25:55,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 02:25:55,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 02:25:55,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 02:25:55,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:25:55" (1/1) ... [2021-01-27 02:25:55,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc842f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:55, skipping insertion in model container [2021-01-27 02:25:55,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:25:55" (1/1) ... [2021-01-27 02:25:56,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 02:25:56,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 02:25:56,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:25:56,469 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 02:25:56,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:25:56,679 INFO L208 MainTranslator]: Completed translation [2021-01-27 02:25:56,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56 WrapperNode [2021-01-27 02:25:56,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 02:25:56,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 02:25:56,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 02:25:56,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 02:25:56,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (1/1) ... [2021-01-27 02:25:56,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (1/1) ... [2021-01-27 02:25:56,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 02:25:56,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 02:25:56,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 02:25:56,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 02:25:56,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (1/1) ... [2021-01-27 02:25:56,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (1/1) ... [2021-01-27 02:25:56,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (1/1) ... [2021-01-27 02:25:56,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (1/1) ... [2021-01-27 02:25:56,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (1/1) ... [2021-01-27 02:25:56,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (1/1) ... [2021-01-27 02:25:56,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (1/1) ... [2021-01-27 02:25:56,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 02:25:56,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 02:25:56,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 02:25:56,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 02:25:56,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (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 [2021-01-27 02:25:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 02:25:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-27 02:25:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 02:25:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 02:25:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-27 02:25:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-27 02:25:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-27 02:25:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-27 02:25:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 02:25:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-27 02:25:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 02:25:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 02:25:56,872 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 02:25:57,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 02:25:57,366 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-27 02:25:57,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:25:57 BoogieIcfgContainer [2021-01-27 02:25:57,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 02:25:57,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 02:25:57,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 02:25:57,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 02:25:57,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:25:55" (1/3) ... [2021-01-27 02:25:57,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5abe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:25:57, skipping insertion in model container [2021-01-27 02:25:57,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:25:56" (2/3) ... [2021-01-27 02:25:57,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5abe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:25:57, skipping insertion in model container [2021-01-27 02:25:57,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:25:57" (3/3) ... [2021-01-27 02:25:57,380 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.oepc.i [2021-01-27 02:25:57,400 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 02:25:57,400 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 02:25:57,405 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 02:25:57,407 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 02:25:57,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,441 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,441 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,442 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,443 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,445 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,447 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,451 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,451 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,452 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,452 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:25:57,464 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-27 02:25:57,483 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-27 02:25:57,513 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 02:25:57,513 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 02:25:57,513 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 02:25:57,513 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 02:25:57,513 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 02:25:57,514 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 02:25:57,514 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 02:25:57,514 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 49 and size of Sequence is : 50[2021-01-27 02:25:57,548 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-27 02:25:57,549 INFO L165 SleepSetCegar]: [73#[ULTIMATE.startENTRY]don't care, 76#[L-1]don't care, 79#[L-1-1]don't care, 82#[L17]don't care, 85#[L17-1]don't care, 88#[L17-2]don't care, 91#[L17-3]don't care, 94#[L17-4]don't care, 97#[L710]don't care, 100#[L711]don't care, 103#[L712]don't care, 106#[L714]don't care, 109#[L716]don't care, 112#[L-1-2]don't care, 115#[L-1-3]don't care, 118#[L758]don't care, 121#[L758-1]don't care, 124#[L759]don't care, 127#[L759-1, P0ENTRY]don't care, 132#[L719, L759-1]don't care, 138#[L759-1, L721]don't care, 144#[L724, L759-1]don't care, 150#[L759-1, L729]don't care, 154#[P0FINAL, L759-1]don't care, 162#[L759-1, P0EXIT]don't care, 166#[L760, P0EXIT]don't care, 169#[L760-1, P0EXIT]don't care, 172#[L761, P0EXIT]don't care, 175#[P1ENTRY, L761-1, P0EXIT]don't care, 178#[L734, L761-1, P0EXIT]don't care, 184#[L761-1, P0EXIT, L736]don't care, 190#[L739, L761-1, P0EXIT]don't care, 196#[L744, L761-1, P0EXIT]don't care, 202#[L761-1, P0EXIT, P1FINAL]don't care, 210#[L761-1, P0EXIT, P1EXIT]don't care, 214#[P0EXIT, P1EXIT, L762]don't care, 217#[L764, P0EXIT, P1EXIT]don't care, 220#[P0EXIT, P1EXIT, L765]don't care, 223#[L2, P0EXIT, P1EXIT]don't care, 226#[L3, P0EXIT, P1EXIT]don't care, 229#[L3-1, P0EXIT, P1EXIT]don't care, 231#[P0EXIT, P1EXIT, L2-1]don't care, 236#[L770, P0EXIT, P1EXIT]don't care, 239#[L771, P0EXIT, P1EXIT]don't care, 242#[L18, P0EXIT, P1EXIT]don't care, 245#[L18-1, P0EXIT, P1EXIT]don't care, 248#[L18-2, P0EXIT, P1EXIT]don't care, 254#[P0EXIT, P1EXIT, L17-5]don't care, 257#[L17-7, P0EXIT, P1EXIT]don't care, 285#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT]don't care] [2021-01-27 02:25:57,549 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:25:57,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:25:57,557 INFO L82 PathProgramCache]: Analyzing trace with hash 54310298, now seen corresponding path program 1 times [2021-01-27 02:25:57,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:25:57,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390636789] [2021-01-27 02:25:57,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:25:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:25:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:25:57,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390636789] [2021-01-27 02:25:57,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:25:57,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 02:25:57,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624122473] [2021-01-27 02:25:57,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 02:25:57,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:25:57,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 02:25:57,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 02:25:57,946 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:25:57,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 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) Size of Word is: 48 and size of Sequence is : 49[2021-01-27 02:25:57,982 INFO L164 SleepSetCegar]: Size of mCounterexample is: 49 [2021-01-27 02:25:57,986 INFO L165 SleepSetCegar]: [291#[ULTIMATE.startENTRY]true, 293#[L-1]true, 295#[L-1-1]true, 297#[L17]true, 299#[L17-1]true, 301#[L17-2]true, 303#[L17-3]true, 305#[L17-4]true, 307#[L710]true, 309#[L711]true, 311#[L712]true, 313#[L714]true, 315#[L716]true, 317#[L-1-2]true, 319#[L-1-3]true, 321#[L758]true, 323#[L758-1]true, 325#[L759]true, 327#[L759-1, P0ENTRY]true, 330#[L719, L759-1]true, 334#[L759-1, L721]true, 338#[L724, L759-1]true, 342#[L759-1, L729]true, 345#[P0FINAL, L759-1]true, 350#[L759-1, P0EXIT]true, 353#[L760, P0EXIT]true, 355#[L760-1, P0EXIT]true, 357#[L761, P0EXIT]true, 359#[P1ENTRY, L761-1, P0EXIT]true, 361#[L734, L761-1, P0EXIT]true, 365#[L761-1, P0EXIT, L736]true, 369#[L739, L761-1, P0EXIT]true, 373#[L744, L761-1, P0EXIT]true, 377#[L761-1, P0EXIT, P1FINAL]true, 382#[L761-1, P0EXIT, P1EXIT]true, 385#[P0EXIT, P1EXIT, L762]true, 387#[L764, P0EXIT, P1EXIT]true, 389#[P0EXIT, P1EXIT, L765]true, 391#[L2, P0EXIT, P1EXIT]true, 393#[L3, P0EXIT, P1EXIT]true, 396#[P0EXIT, P1EXIT, L2-1]true, 401#[L770, P0EXIT, P1EXIT]true, 403#[L771, P0EXIT, P1EXIT]true, 405#[L18, P0EXIT, P1EXIT]true, 407#[L18-1, P0EXIT, P1EXIT]true, 409#[L18-2, P0EXIT, P1EXIT]true, 413#[P0EXIT, P1EXIT, L17-5]true, 415#[L17-7, P0EXIT, P1EXIT]true, 419#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT]true] [2021-01-27 02:25:57,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 02:25:57,987 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:25:57,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:25:57,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1876364750, now seen corresponding path program 1 times [2021-01-27 02:25:57,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:25:57,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467804] [2021-01-27 02:25:57,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:25:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:25:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:25:58,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467804] [2021-01-27 02:25:58,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:25:58,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-27 02:25:58,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688917956] [2021-01-27 02:25:58,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-27 02:25:58,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:25:58,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-27 02:25:58,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-27 02:25:58,243 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:25:58,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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) [2021-01-27 02:25:58,383 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:25:58,424 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 48 and size of Sequence is : 49[2021-01-27 02:25:58,466 INFO L164 SleepSetCegar]: Size of mCounterexample is: 49 [2021-01-27 02:25:58,467 INFO L165 SleepSetCegar]: [429#[ULTIMATE.startENTRY]true, 432#[L-1]true, 435#[L-1-1]true, 438#[L17]true, 441#[L17-1]true, 444#[L17-2]true, 447#[L17-3]true, 450#[L17-4]true, 453#[L710]true, 456#[L711]true, 459#[L712]true, 462#[L714]true, 465#[L716]true, 468#[L-1-2]true, 471#[L-1-3]true, 474#[L758]true, 477#[L758-1]true, 480#[L759]true, 483#[L759-1, P0ENTRY]true, 488#[L719, L759-1]true, 494#[L759-1, L721]true, 500#[L724, L759-1]true, 506#[L759-1, L729]true, 510#[P0FINAL, L759-1]true, 518#[L759-1, P0EXIT]true, 522#[L760, P0EXIT]true, 525#[L760-1, P0EXIT]true, 528#[L761, P0EXIT]true, 531#[P1ENTRY, L761-1, P0EXIT]true, 534#[L734, L761-1, P0EXIT]true, 540#[L761-1, P0EXIT, L736]true, 548#[P0EXIT, L736, L762]true, 1005#[L764, P0EXIT, L736]true, 1011#[P0EXIT, L736, L765]true, 1017#[L2, P0EXIT, L736]true, 1023#[L3, P0EXIT, L736]true, 1034#[P0EXIT, L736, L2-1]true, 1045#[L770, P0EXIT, L736]true, 1051#[L770, L739, P0EXIT](= ~y~0 1), 1059#[L770, L744, P0EXIT](= ~y~0 1), 1065#[L770, P0EXIT, P1FINAL](= ~y~0 1), 1071#[L770, P0EXIT, P1EXIT](= ~y~0 1), 1075#[L771, P0EXIT, P1EXIT](= ~y~0 1), 1078#[L18, P0EXIT, P1EXIT](= ~y~0 1), 1081#[L18-1, P0EXIT, P1EXIT](= ~y~0 1), 1084#[L18-2, P0EXIT, P1EXIT](= ~y~0 1), 1090#[P0EXIT, P1EXIT, L17-5](= ~y~0 1), 1093#[L17-7, P0EXIT, P1EXIT](= ~y~0 1), 1099#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT](= ~y~0 1)] [2021-01-27 02:25:58,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 02:25:58,467 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:25:58,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:25:58,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1204499438, now seen corresponding path program 2 times [2021-01-27 02:25:58,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:25:58,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497876554] [2021-01-27 02:25:58,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:25:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:25:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:25:58,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497876554] [2021-01-27 02:25:58,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:25:58,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:25:58,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481348136] [2021-01-27 02:25:58,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:25:58,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:25:58,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:25:58,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:25:58,689 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:25:58,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 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) [2021-01-27 02:25:58,775 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:25:58,980 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:25:59,002 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:25:59,048 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:25:59,152 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 48 and size of Sequence is : 49[2021-01-27 02:25:59,193 INFO L164 SleepSetCegar]: Size of mCounterexample is: 49 [2021-01-27 02:25:59,195 INFO L165 SleepSetCegar]: [1111#[ULTIMATE.startENTRY]true, 1114#[L-1]true, 1117#[L-1-1]true, 1120#[L17]true, 1123#[L17-1]true, 1126#[L17-2]true, 1129#[L17-3]true, 1132#[L17-4]true, 1135#[L710](= ~__unbuffered_cnt~0 0), 1138#[L711](= ~__unbuffered_cnt~0 0), 1143#[L712](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1146#[L714](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1149#[L716](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1152#[L-1-2](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1155#[L-1-3](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1158#[L758](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1161#[L758-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1164#[L759](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1167#[L759-1, P0ENTRY](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1172#[L719, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1176#[L719, L760](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4430#[L719, L760-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4438#[L719, L761](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4446#[L719, P1ENTRY, L761-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4459#[L719, L734, L761-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4475#[L719, L761-1, L736](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4491#[L719, L739, L761-1](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4509#[L739, L721, L761-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4526#[L724, L739, L761-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4541#[L739, L761-1, L729](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4554#[P0FINAL, L739, L761-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4571#[L739, L761-1, P0EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4582#[L744, L761-1, P0EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4592#[L761-1, P0EXIT, P1FINAL](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4604#[L761-1, P0EXIT, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4610#[P0EXIT, P1EXIT, L762](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4615#[L764, P0EXIT, P1EXIT]true, 4620#[P0EXIT, P1EXIT, L765]true, 4625#[L2, P0EXIT, P1EXIT]true, 4630#[L3, P0EXIT, P1EXIT]true, 4639#[P0EXIT, P1EXIT, L2-1]true, 4645#[L770, P0EXIT, P1EXIT]true, 4650#[L771, P0EXIT, P1EXIT]true, 4655#[L18, P0EXIT, P1EXIT]true, 4660#[L18-1, P0EXIT, P1EXIT]true, 4667#[L18-2, P0EXIT, P1EXIT]true, 4675#[P0EXIT, P1EXIT, L17-5]true, 4680#[L17-7, P0EXIT, P1EXIT]true, 4688#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT]true] [2021-01-27 02:25:59,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-27 02:25:59,195 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:25:59,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:25:59,196 INFO L82 PathProgramCache]: Analyzing trace with hash -618927158, now seen corresponding path program 3 times [2021-01-27 02:25:59,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:25:59,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058188509] [2021-01-27 02:25:59,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:25:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:25:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:25:59,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058188509] [2021-01-27 02:25:59,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:25:59,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:25:59,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799615505] [2021-01-27 02:25:59,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:25:59,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:25:59,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:25:59,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:25:59,411 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:25:59,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 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) [2021-01-27 02:25:59,605 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:25:59,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 02:25:59,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:25:59 BasicIcfg [2021-01-27 02:25:59,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-27 02:25:59,885 INFO L168 Benchmark]: Toolchain (without parser) took 3906.78 ms. Allocated memory was 314.6 MB in the beginning and 383.8 MB in the end (delta: 69.2 MB). Free memory was 290.8 MB in the beginning and 336.8 MB in the end (delta: -46.1 MB). Peak memory consumption was 182.8 MB. Max. memory is 16.0 GB. [2021-01-27 02:25:59,886 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 314.6 MB. Free memory is still 285.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:25:59,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.25 ms. Allocated memory is still 314.6 MB. Free memory was 289.9 MB in the beginning and 278.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-01-27 02:25:59,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.46 ms. Allocated memory is still 314.6 MB. Free memory was 278.7 MB in the beginning and 277.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:25:59,888 INFO L168 Benchmark]: Boogie Preprocessor took 28.92 ms. Allocated memory is still 314.6 MB. Free memory was 277.1 MB in the beginning and 275.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:25:59,889 INFO L168 Benchmark]: RCFGBuilder took 602.44 ms. Allocated memory is still 314.6 MB. Free memory was 275.3 MB in the beginning and 295.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.0 GB. [2021-01-27 02:25:59,890 INFO L168 Benchmark]: TraceAbstraction took 2511.96 ms. Allocated memory was 314.6 MB in the beginning and 383.8 MB in the end (delta: 69.2 MB). Free memory was 295.1 MB in the beginning and 336.8 MB in the end (delta: -41.8 MB). Peak memory consumption was 188.9 MB. Max. memory is 16.0 GB. [2021-01-27 02:25:59,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 314.6 MB. Free memory is still 285.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 696.25 ms. Allocated memory is still 314.6 MB. Free memory was 289.9 MB in the beginning and 278.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 50.46 ms. Allocated memory is still 314.6 MB. Free memory was 278.7 MB in the beginning and 277.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.92 ms. Allocated memory is still 314.6 MB. Free memory was 277.1 MB in the beginning and 275.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 602.44 ms. Allocated memory is still 314.6 MB. Free memory was 275.3 MB in the beginning and 295.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2511.96 ms. Allocated memory was 314.6 MB in the beginning and 383.8 MB in the end (delta: 69.2 MB). Free memory was 295.1 MB in the beginning and 336.8 MB in the end (delta: -41.8 MB). Peak memory consumption was 188.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 19177 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...