/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/safe036_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 02:41:48,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 02:41:48,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 02:41:48,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 02:41:48,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 02:41:48,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 02:41:48,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 02:41:48,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 02:41:48,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 02:41:48,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 02:41:48,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 02:41:48,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 02:41:48,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 02:41:48,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 02:41:48,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 02:41:48,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 02:41:48,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 02:41:48,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 02:41:48,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 02:41:48,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 02:41:48,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 02:41:48,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 02:41:48,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 02:41:48,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 02:41:48,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-27 02:41:48,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-27 02:41:48,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-27 02:41:48,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-27 02:41:48,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-27 02:41:48,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-27 02:41:48,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 02:41:48,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 02:41:48,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 02:41:48,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 02:41:48,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 02:41:48,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 02:41:48,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 02:41:48,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 02:41:48,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 02:41:48,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 02:41:48,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 02:41:48,676 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 02:41:48,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 02:41:48,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 02:41:48,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 02:41:48,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 02:41:48,738 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 02:41:48,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 02:41:48,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 02:41:48,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 02:41:48,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 02:41:48,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 02:41:48,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 02:41:48,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 02:41:48,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 02:41:48,742 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 02:41:48,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 02:41:48,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 02:41:48,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 02:41:48,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 02:41:48,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 02:41:48,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 02:41:48,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 02:41:48,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:41:48,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 02:41:48,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 02:41:48,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 02:41:48,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 02:41:48,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 02:41:48,745 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 02:41:48,745 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 02:41:48,745 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 02:41:48,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 02:41:48,746 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 02:41:48,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 02:41:48,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 02:41:49,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 02:41:49,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 02:41:49,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 02:41:49,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 02:41:49,206 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 02:41:49,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i [2021-01-27 02:41:49,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a332df94/e516e8ade3b140d980033b6874bd63cf/FLAG860c9e409 [2021-01-27 02:41:50,126 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 02:41:50,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i [2021-01-27 02:41:50,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a332df94/e516e8ade3b140d980033b6874bd63cf/FLAG860c9e409 [2021-01-27 02:41:50,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a332df94/e516e8ade3b140d980033b6874bd63cf [2021-01-27 02:41:50,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 02:41:50,382 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 02:41:50,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 02:41:50,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 02:41:50,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 02:41:50,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:41:50" (1/1) ... [2021-01-27 02:41:50,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f82af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:50, skipping insertion in model container [2021-01-27 02:41:50,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:41:50" (1/1) ... [2021-01-27 02:41:50,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 02:41:50,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 02:41:50,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:41:50,949 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 02:41:51,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:41:51,095 INFO L208 MainTranslator]: Completed translation [2021-01-27 02:41:51,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51 WrapperNode [2021-01-27 02:41:51,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 02:41:51,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 02:41:51,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 02:41:51,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 02:41:51,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (1/1) ... [2021-01-27 02:41:51,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (1/1) ... [2021-01-27 02:41:51,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 02:41:51,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 02:41:51,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 02:41:51,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 02:41:51,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (1/1) ... [2021-01-27 02:41:51,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (1/1) ... [2021-01-27 02:41:51,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (1/1) ... [2021-01-27 02:41:51,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (1/1) ... [2021-01-27 02:41:51,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (1/1) ... [2021-01-27 02:41:51,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (1/1) ... [2021-01-27 02:41:51,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (1/1) ... [2021-01-27 02:41:51,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 02:41:51,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 02:41:51,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 02:41:51,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 02:41:51,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (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 02:41:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 02:41:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-27 02:41:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 02:41:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 02:41:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-27 02:41:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-27 02:41:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-27 02:41:51,285 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-27 02:41:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 02:41:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-27 02:41:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 02:41:51,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 02:41:51,287 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 02:41:51,729 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 02:41:51,729 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-27 02:41:51,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:41:51 BoogieIcfgContainer [2021-01-27 02:41:51,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 02:41:51,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 02:41:51,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 02:41:51,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 02:41:51,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:41:50" (1/3) ... [2021-01-27 02:41:51,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc4a2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:41:51, skipping insertion in model container [2021-01-27 02:41:51,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:41:51" (2/3) ... [2021-01-27 02:41:51,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc4a2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:41:51, skipping insertion in model container [2021-01-27 02:41:51,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:41:51" (3/3) ... [2021-01-27 02:41:51,741 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_tso.opt.i [2021-01-27 02:41:51,757 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 02:41:51,757 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 02:41:51,761 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 02:41:51,762 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 02:41:51,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,793 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,793 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,793 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,794 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,795 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,796 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,796 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,796 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,800 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,800 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,807 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,808 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:41:51,813 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-27 02:41:51,827 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-27 02:41:51,853 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 02:41:51,853 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 02:41:51,853 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 02:41:51,853 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 02:41:51,853 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 02:41:51,853 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 02:41:51,854 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 02:41:51,854 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 50 and size of Sequence is : 51[2021-01-27 02:41:51,904 INFO L164 SleepSetCegar]: Size of mCounterexample is: 51 [2021-01-27 02:41:51,905 INFO L165 SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 77#[L-1]don't care, 80#[L-1-1]don't care, 83#[L17]don't care, 86#[L17-1]don't care, 89#[L17-2]don't care, 92#[L17-3]don't care, 95#[L17-4]don't care, 98#[L710]don't care, 101#[L712]don't care, 104#[L713]don't care, 107#[L714]don't care, 110#[L716]don't care, 113#[L718]don't care, 116#[L-1-2]don't care, 119#[L-1-3]don't care, 122#[L764]don't care, 125#[L764-1]don't care, 128#[L765]don't care, 131#[L765-1, P0ENTRY]don't care, 136#[L765-1, L721]don't care, 142#[L765-1, L723]don't care, 148#[L765-1, L728]don't care, 154#[L765-1, L733]don't care, 160#[L765-1, P0FINAL]don't care, 166#[L765-1, P0EXIT]don't care, 170#[L766, P0EXIT]don't care, 173#[P0EXIT, L766-1]don't care, 176#[P0EXIT, L767]don't care, 179#[P1ENTRY, L767-1, P0EXIT]don't care, 184#[P1ENTRY, P0EXIT, L768]don't care, 190#[L738, P0EXIT, L768]don't care, 196#[L740, P0EXIT, L768]don't care, 202#[L745, P0EXIT, L768]don't care, 208#[L750, P0EXIT, L768]don't care, 214#[P0EXIT, L768, P1FINAL]don't care, 220#[P1EXIT, P0EXIT, L768]don't care, 224#[L770, P1EXIT, P0EXIT]don't care, 227#[L771, P1EXIT, P0EXIT]don't care, 230#[L2, P1EXIT, P0EXIT]don't care, 233#[L3, P1EXIT, P0EXIT]don't care, 238#[L3-1, P1EXIT, P0EXIT]don't care, 236#[P1EXIT, P0EXIT, L2-1]don't care, 243#[P1EXIT, P0EXIT, L776]don't care, 246#[L777, P1EXIT, P0EXIT]don't care, 249#[L18, P1EXIT, P0EXIT]don't care, 252#[L18-1, P1EXIT, P0EXIT]don't care, 255#[L18-2, P1EXIT, P0EXIT]don't care, 261#[P1EXIT, P0EXIT, L17-5]don't care, 264#[L17-7, P1EXIT, P0EXIT]don't care, 292#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT]don't care] [2021-01-27 02:41:51,905 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:41:51,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:41:51,912 INFO L82 PathProgramCache]: Analyzing trace with hash 134765560, now seen corresponding path program 1 times [2021-01-27 02:41:51,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:41:51,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794275585] [2021-01-27 02:41:51,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:41:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:41:52,168 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 02:41:52,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794275585] [2021-01-27 02:41:52,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:41:52,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 02:41:52,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495973207] [2021-01-27 02:41:52,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 02:41:52,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:41:52,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 02:41:52,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 02:41:52,208 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:41:52,212 INFO L482 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) Size of Word is: 49 and size of Sequence is : 50[2021-01-27 02:41:52,247 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-27 02:41:52,248 INFO L165 SleepSetCegar]: [298#[ULTIMATE.startENTRY]true, 300#[L-1]true, 302#[L-1-1]true, 304#[L17]true, 306#[L17-1]true, 308#[L17-2]true, 310#[L17-3]true, 312#[L17-4]true, 314#[L710]true, 316#[L712]true, 318#[L713]true, 320#[L714]true, 322#[L716]true, 324#[L718]true, 326#[L-1-2]true, 328#[L-1-3]true, 330#[L764]true, 332#[L764-1]true, 334#[L765]true, 336#[L765-1, P0ENTRY]true, 339#[L765-1, L721]true, 343#[L765-1, L723]true, 347#[L765-1, L728]true, 351#[L765-1, L733]true, 355#[L765-1, P0FINAL]true, 359#[L765-1, P0EXIT]true, 362#[L766, P0EXIT]true, 364#[P0EXIT, L766-1]true, 366#[P0EXIT, L767]true, 368#[P1ENTRY, L767-1, P0EXIT]true, 371#[P1ENTRY, P0EXIT, L768]true, 375#[L738, P0EXIT, L768]true, 379#[L740, P0EXIT, L768]true, 383#[L745, P0EXIT, L768]true, 387#[L750, P0EXIT, L768]true, 391#[P0EXIT, L768, P1FINAL]true, 395#[P1EXIT, P0EXIT, L768]true, 398#[L770, P1EXIT, P0EXIT]true, 400#[L771, P1EXIT, P0EXIT]true, 402#[L2, P1EXIT, P0EXIT]true, 404#[L3, P1EXIT, P0EXIT]true, 406#[P1EXIT, P0EXIT, L2-1]true, 412#[P1EXIT, P0EXIT, L776]true, 414#[L777, P1EXIT, P0EXIT]true, 416#[L18, P1EXIT, P0EXIT]true, 418#[L18-1, P1EXIT, P0EXIT]true, 420#[L18-2, P1EXIT, P0EXIT]true, 424#[P1EXIT, P0EXIT, L17-5]true, 426#[L17-7, P1EXIT, P0EXIT]true, 430#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT]true] [2021-01-27 02:41:52,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 02:41:52,248 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:41:52,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:41:52,251 INFO L82 PathProgramCache]: Analyzing trace with hash 59409888, now seen corresponding path program 1 times [2021-01-27 02:41:52,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:41:52,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808079144] [2021-01-27 02:41:52,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:41:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:41:52,596 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 02:41:52,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808079144] [2021-01-27 02:41:52,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:41:52,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:41:52,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113855682] [2021-01-27 02:41:52,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:41:52,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:41:52,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:41:52,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:41:52,602 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:41:52,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 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) [2021-01-27 02:41:52,904 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 49 and size of Sequence is : 50[2021-01-27 02:41:53,020 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-27 02:41:53,021 INFO L165 SleepSetCegar]: [441#[ULTIMATE.startENTRY]true, 444#[L-1]true, 447#[L-1-1]true, 450#[L17]true, 453#[L17-1]true, 456#[L17-2]true, 459#[L17-3]true, 462#[L17-4]true, 465#[L710]true, 468#[L712]true, 471#[L713]true, 474#[L714]true, 477#[L716]true, 480#[L718]true, 483#[L-1-2]true, 486#[L-1-3]true, 489#[L764]true, 492#[L764-1]true, 495#[L765]true, 498#[L765-1, P0ENTRY]true, 503#[L765-1, L721]true, 509#[L765-1, L723](= ~y~0 1), 515#[L765-1, L728](= ~y~0 1), 521#[L765-1, L733](= ~y~0 1), 527#[L765-1, P0FINAL](= ~y~0 1), 533#[L765-1, P0EXIT](= ~y~0 1), 537#[L766, P0EXIT](= ~y~0 1), 540#[P0EXIT, L766-1](= ~y~0 1), 543#[P0EXIT, L767](= ~y~0 1), 546#[P1ENTRY, L767-1, P0EXIT](= ~y~0 1), 551#[P1ENTRY, P0EXIT, L768](= ~y~0 1), 557#[L738, P0EXIT, L768](= ~y~0 1), 563#[L740, P0EXIT, L768](= ~y~0 1), 567#[L770, L740, P0EXIT](= ~y~0 1), 1007#[L771, L740, P0EXIT](= ~y~0 1), 1013#[L2, L740, P0EXIT](= ~y~0 1), 1019#[L3, L740, P0EXIT](= ~y~0 1), 1028#[L740, P0EXIT, L2-1](= ~y~0 1), 1041#[L740, P0EXIT, L776](= ~y~0 1), 1049#[L745, P0EXIT, L776](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1055#[L750, P0EXIT, L776](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1061#[P0EXIT, P1FINAL, L776](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1067#[P1EXIT, P0EXIT, L776](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1071#[L777, P1EXIT, P0EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1074#[L18, P1EXIT, P0EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1077#[L18-1, P1EXIT, P0EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1080#[L18-2, P1EXIT, P0EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1086#[P1EXIT, P0EXIT, L17-5](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1089#[L17-7, P1EXIT, P0EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1)), 1095#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EAX~0 1))] [2021-01-27 02:41:53,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 02:41:53,022 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:41:53,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:41:53,023 INFO L82 PathProgramCache]: Analyzing trace with hash 958113376, now seen corresponding path program 2 times [2021-01-27 02:41:53,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:41:53,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019125476] [2021-01-27 02:41:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:41:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:41:53,260 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 02:41:53,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019125476] [2021-01-27 02:41:53,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:41:53,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:41:53,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995450893] [2021-01-27 02:41:53,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:41:53,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:41:53,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:41:53,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:41:53,264 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:41:53,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 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) [2021-01-27 02:41:53,356 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:41:53,716 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:41:53,758 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:41:53,806 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:41:53,977 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:41:54,011 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 49 and size of Sequence is : 50[2021-01-27 02:41:54,029 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-27 02:41:54,030 INFO L165 SleepSetCegar]: [1107#[ULTIMATE.startENTRY]true, 1110#[L-1]true, 1113#[L-1-1]true, 1116#[L17]true, 1119#[L17-1]true, 1122#[L17-2]true, 1125#[L17-3]true, 1128#[L17-4]true, 1131#[L710](= ~__unbuffered_cnt~0 0), 1134#[L712](= ~__unbuffered_cnt~0 0), 1137#[L713](= ~__unbuffered_cnt~0 0), 1142#[L714](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1145#[L716](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1148#[L718](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1151#[L-1-2](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1154#[L-1-3](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1157#[L764](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1160#[L764-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1163#[L765](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1166#[L765-1, P0ENTRY](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1171#[L765-1, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1175#[L721, L766](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4444#[L721, L766-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4452#[L721, L767](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4460#[P1ENTRY, L721, L767-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4475#[P1ENTRY, L721, L768](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4491#[L721, L738, L768](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4507#[L721, L740, L768](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4523#[L745, L721, L768](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4539#[L745, L723, L768](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4556#[L745, L768, L728](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4571#[L745, L733, L768](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4586#[L745, P0FINAL, L768](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4599#[L745, P0EXIT, L768](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4614#[L750, P0EXIT, L768](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4624#[P0EXIT, L768, P1FINAL](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4634#[P1EXIT, P0EXIT, L768](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4640#[L770, P1EXIT, P0EXIT](= ~y~0 1), 4645#[L771, P1EXIT, P0EXIT](= ~y~0 1), 4650#[L2, P1EXIT, P0EXIT](= ~y~0 1), 4655#[L3, P1EXIT, P0EXIT](= ~y~0 1), 4662#[P1EXIT, P0EXIT, L2-1](= ~y~0 1), 4670#[P1EXIT, P0EXIT, L776](= ~y~0 1), 4675#[L777, P1EXIT, P0EXIT](= ~y~0 1), 4680#[L18, P1EXIT, P0EXIT](= ~y~0 1), 4685#[L18-1, P1EXIT, P0EXIT](= ~y~0 1), 4692#[L18-2, P1EXIT, P0EXIT](= ~y~0 1), 4700#[P1EXIT, P0EXIT, L17-5](= ~y~0 1), 4705#[L17-7, P1EXIT, P0EXIT](= ~y~0 1), 4713#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT](= ~y~0 1)] [2021-01-27 02:41:54,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-27 02:41:54,031 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:41:54,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:41:54,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1440686654, now seen corresponding path program 3 times [2021-01-27 02:41:54,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:41:54,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939235042] [2021-01-27 02:41:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:41:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:41:54,260 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 02:41:54,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939235042] [2021-01-27 02:41:54,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:41:54,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:41:54,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467049771] [2021-01-27 02:41:54,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:41:54,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:41:54,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:41:54,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:41:54,266 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:41:54,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 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) [2021-01-27 02:41:54,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 02:41:54,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:41:54 BasicIcfg [2021-01-27 02:41:54,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-27 02:41:54,674 INFO L168 Benchmark]: Toolchain (without parser) took 4304.05 ms. Allocated memory was 308.3 MB in the beginning and 371.2 MB in the end (delta: 62.9 MB). Free memory was 282.4 MB in the beginning and 290.5 MB in the end (delta: -8.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:41:54,675 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 308.3 MB. Free memory was 278.4 MB in the beginning and 278.3 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:41:54,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.11 ms. Allocated memory is still 308.3 MB. Free memory was 281.4 MB in the beginning and 251.2 MB in the end (delta: 30.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-27 02:41:54,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.47 ms. Allocated memory is still 308.3 MB. Free memory was 251.1 MB in the beginning and 249.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:41:54,681 INFO L168 Benchmark]: Boogie Preprocessor took 40.67 ms. Allocated memory is still 308.3 MB. Free memory was 249.3 MB in the beginning and 290.0 MB in the end (delta: -40.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-01-27 02:41:54,683 INFO L168 Benchmark]: RCFGBuilder took 538.90 ms. Allocated memory is still 308.3 MB. Free memory was 290.0 MB in the beginning and 270.1 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-01-27 02:41:54,689 INFO L168 Benchmark]: TraceAbstraction took 2936.39 ms. Allocated memory was 308.3 MB in the beginning and 371.2 MB in the end (delta: 62.9 MB). Free memory was 269.1 MB in the beginning and 290.5 MB in the end (delta: -21.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.0 GB. [2021-01-27 02:41:54,701 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 308.3 MB. Free memory was 278.4 MB in the beginning and 278.3 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 710.11 ms. Allocated memory is still 308.3 MB. Free memory was 281.4 MB in the beginning and 251.2 MB in the end (delta: 30.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.47 ms. Allocated memory is still 308.3 MB. Free memory was 251.1 MB in the beginning and 249.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.67 ms. Allocated memory is still 308.3 MB. Free memory was 249.3 MB in the beginning and 290.0 MB in the end (delta: -40.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * RCFGBuilder took 538.90 ms. Allocated memory is still 308.3 MB. Free memory was 290.0 MB in the beginning and 270.1 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2936.39 ms. Allocated memory was 308.3 MB in the beginning and 371.2 MB in the end (delta: 62.9 MB). Free memory was 269.1 MB in the beginning and 290.5 MB in the end (delta: -21.4 MB). Peak memory consumption was 40.4 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, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, 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, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 19585 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...