/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-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:03:04,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:03:04,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:03:04,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:03:04,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:03:04,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:03:04,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:03:04,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:03:04,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:03:04,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:03:04,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:03:04,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:03:04,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:03:04,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:03:04,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:03:04,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:03:04,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:03:04,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:03:04,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:03:04,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:03:04,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:03:04,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:03:04,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:03:04,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:03:04,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-26 23:03:04,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-26 23:03:04,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-26 23:03:04,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-26 23:03:04,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-26 23:03:04,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-26 23:03:04,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 23:03:04,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 23:03:04,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 23:03:04,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 23:03:04,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 23:03:04,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 23:03:04,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 23:03:04,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 23:03:04,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:03:04,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:03:04,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:03:04,670 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-Delay.epf [2021-01-26 23:03:04,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:03:04,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:03:04,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:03:04,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:03:04,702 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:03:04,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:03:04,703 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:03:04,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:03:04,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:03:04,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:03:04,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:03:04,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:03:04,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:03:04,704 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:03:04,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:03:04,705 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:03:04,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:03:04,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:03:04,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:03:04,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:03:04,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:03:04,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:03:04,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:03:04,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:03:04,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:03:04,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:03:04,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:03:04,707 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:03:04,708 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:03:04,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:03:04,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:03:04,708 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:03:04,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:03:04,709 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:03:05,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:03:05,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:03:05,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:03:05,229 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:03:05,232 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:03:05,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2021-01-26 23:03:05,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f957fdc/7c7fd4aa2cf9463a9f09bcb0bd923f32/FLAGee683d573 [2021-01-26 23:03:05,970 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:03:05,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2021-01-26 23:03:05,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f957fdc/7c7fd4aa2cf9463a9f09bcb0bd923f32/FLAGee683d573 [2021-01-26 23:03:06,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f957fdc/7c7fd4aa2cf9463a9f09bcb0bd923f32 [2021-01-26 23:03:06,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:03:06,267 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:03:06,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:03:06,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:03:06,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:03:06,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:03:06" (1/1) ... [2021-01-26 23:03:06,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbe7e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:06, skipping insertion in model container [2021-01-26 23:03:06,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:03:06" (1/1) ... [2021-01-26 23:03:06,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:03:06,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:03:06,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:03:06,898 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:03:06,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:03:07,074 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:03:07,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07 WrapperNode [2021-01-26 23:03:07,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:03:07,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:03:07,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:03:07,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:03:07,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (1/1) ... [2021-01-26 23:03:07,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (1/1) ... [2021-01-26 23:03:07,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:03:07,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:03:07,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:03:07,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:03:07,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (1/1) ... [2021-01-26 23:03:07,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (1/1) ... [2021-01-26 23:03:07,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (1/1) ... [2021-01-26 23:03:07,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (1/1) ... [2021-01-26 23:03:07,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (1/1) ... [2021-01-26 23:03:07,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (1/1) ... [2021-01-26 23:03:07,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (1/1) ... [2021-01-26 23:03:07,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:03:07,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:03:07,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:03:07,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:03:07,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (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 [2021-01-26 23:03:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:03:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 23:03:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:03:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:03:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-26 23:03:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-26 23:03:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-26 23:03:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-26 23:03:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-26 23:03:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-26 23:03:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:03:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 23:03:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:03:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:03:07,312 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 23:03:07,870 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:03:07,870 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-26 23:03:07,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:03:07 BoogieIcfgContainer [2021-01-26 23:03:07,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:03:07,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:03:07,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:03:07,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:03:07,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:03:06" (1/3) ... [2021-01-26 23:03:07,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6625c9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:03:07, skipping insertion in model container [2021-01-26 23:03:07,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:03:07" (2/3) ... [2021-01-26 23:03:07,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6625c9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:03:07, skipping insertion in model container [2021-01-26 23:03:07,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:03:07" (3/3) ... [2021-01-26 23:03:07,884 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_tso.opt.i [2021-01-26 23:03:07,906 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:03:07,906 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:03:07,911 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:03:07,912 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:03:07,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,959 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,959 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,962 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,963 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,963 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,964 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,967 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,967 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,967 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,967 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,970 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,970 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,970 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,971 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,977 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,977 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,983 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,983 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,989 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,990 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,990 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,990 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:03:07,992 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 23:03:08,010 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-26 23:03:08,054 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:03:08,055 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:03:08,055 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:03:08,055 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:03:08,055 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:03:08,055 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:03:08,055 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:03:08,056 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 58 and size of Sequence is : 59[2021-01-26 23:03:08,126 INFO L164 SleepSetCegar]: Size of mCounterexample is: 59 [2021-01-26 23:03:08,127 INFO L165 SleepSetCegar]: [89#[ULTIMATE.startENTRY]don't care, 91#[L-1]don't care, 93#[L-1-1]don't care, 95#[L17]don't care, 97#[L17-1]don't care, 99#[L17-2]don't care, 101#[L17-3]don't care, 103#[L17-4]don't care, 105#[L711]don't care, 107#[L713]don't care, 109#[L714]don't care, 111#[L715]don't care, 113#[L717]don't care, 115#[L719]don't care, 117#[L-1-2]don't care, 119#[L-1-3]don't care, 121#[L773]don't care, 123#[L773-1]don't care, 125#[L774]don't care, 127#[P0ENTRY, L774-1]don't care, 131#[L775, P0ENTRY]don't care, 133#[L775, L722]don't care, 139#[L775, L724]don't care, 141#[L775, L727]don't care, 147#[L775, L732]don't care, 149#[L775, P0FINAL]don't care, 153#[L775, P0EXIT]don't care, 157#[L775-1, P0EXIT]don't care, 159#[P0EXIT, L776]don't care, 161#[L776-1, P1ENTRY, P0EXIT]don't care, 165#[L737, L776-1, P0EXIT]don't care, 169#[L776-1, L739, P0EXIT]don't care, 173#[L776-1, L744, P0EXIT]don't care, 177#[P1FINAL, L776-1, P0EXIT]don't care, 179#[L776-1, P1EXIT, P0EXIT]don't care, 183#[P1EXIT, P0EXIT, L777]don't care, 185#[L777-1, P1EXIT, P0EXIT]don't care, 187#[P1EXIT, L778, P0EXIT]don't care, 189#[P2ENTRY, L778-1, P1EXIT, P0EXIT]don't care, 193#[P2ENTRY, P1EXIT, L779, P0EXIT]don't care, 197#[L749, P1EXIT, L779, P0EXIT]don't care, 201#[P1EXIT, L779, L751, P0EXIT]don't care, 205#[L754, P1EXIT, L779, P0EXIT]don't care, 209#[L759, P1EXIT, L779, P0EXIT]don't care, 213#[P1EXIT, L779, P2FINAL, P0EXIT]don't care, 215#[P1EXIT, L779, P0EXIT, P2EXIT]don't care, 219#[L781, P1EXIT, P0EXIT, P2EXIT]don't care, 221#[L782, P1EXIT, P0EXIT, P2EXIT]don't care, 223#[P1EXIT, L2, P0EXIT, P2EXIT]don't care, 225#[L3, P1EXIT, P0EXIT, P2EXIT]don't care, 229#[L2-1, P1EXIT, P0EXIT, P2EXIT]don't care, 231#[P1EXIT, L787, P0EXIT, P2EXIT]don't care, 233#[P1EXIT, L788, P0EXIT, P2EXIT]don't care, 235#[P1EXIT, L18, P0EXIT, P2EXIT]don't care, 237#[L18-1, P1EXIT, P0EXIT, P2EXIT]don't care, 239#[L18-2, P1EXIT, P0EXIT, P2EXIT]don't care, 243#[L17-5, P1EXIT, P0EXIT, P2EXIT]don't care, 245#[L17-7, P1EXIT, P0EXIT, P2EXIT]don't care, 251#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT, P2EXIT]don't care] [2021-01-26 23:03:08,128 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:03:08,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:03:08,135 INFO L82 PathProgramCache]: Analyzing trace with hash 567827946, now seen corresponding path program 1 times [2021-01-26 23:03:08,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:03:08,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390581375] [2021-01-26 23:03:08,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:03:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:03:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:03:08,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390581375] [2021-01-26 23:03:08,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:03:08,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 23:03:08,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899012024] [2021-01-26 23:03:08,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:03:08,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:03:08,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:03:08,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:03:08,704 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:03:08,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-01-26 23:03:08,869 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 58 and size of Sequence is : 59[2021-01-26 23:03:08,906 INFO L164 SleepSetCegar]: Size of mCounterexample is: 59 [2021-01-26 23:03:08,907 INFO L165 SleepSetCegar]: [259#[ULTIMATE.startENTRY]true, 260#[L-1]true, 261#[L-1-1]true, 262#[L17]true, 263#[L17-1]true, 264#[L17-2]true, 265#[L17-3]true, 266#[L17-4]true, 267#[L711]true, 268#[L713]true, 269#[L714]true, 270#[L715]true, 271#[L717]true, 272#[L719]true, 273#[L-1-2]true, 274#[L-1-3]true, 275#[L773]true, 276#[L773-1]true, 277#[L774]true, 278#[P0ENTRY, L774-1]true, 280#[L775, P0ENTRY]true, 281#[L775, L722]true, 284#[L775, L724](= ~y~0 1), 285#[L775, L727](= ~y~0 1), 288#[L775, L732](= ~y~0 1), 289#[L775, P0FINAL](= ~y~0 1), 291#[L775, P0EXIT](= ~y~0 1), 293#[L775-1, P0EXIT](= ~y~0 1), 294#[P0EXIT, L776](= ~y~0 1), 295#[L776-1, P1ENTRY, P0EXIT](= ~y~0 1), 297#[L737, L776-1, P0EXIT](= ~y~0 1), 299#[L776-1, L739, P0EXIT](= ~y~0 1), 301#[L776-1, L744, P0EXIT](= ~y~0 1), 303#[P1FINAL, L776-1, P0EXIT](= ~y~0 1), 304#[L776-1, P1EXIT, P0EXIT](= ~y~0 1), 306#[P1EXIT, P0EXIT, L777](= ~y~0 1), 307#[L777-1, P1EXIT, P0EXIT](= ~y~0 1), 308#[P1EXIT, L778, P0EXIT](= ~y~0 1), 309#[P2ENTRY, L778-1, P1EXIT, P0EXIT](= ~y~0 1), 311#[P2ENTRY, P1EXIT, L779, P0EXIT](= ~y~0 1), 313#[L749, P1EXIT, L779, P0EXIT](= ~y~0 1), 315#[P1EXIT, L779, L751, P0EXIT](= ~y~0 1), 316#[L781, P1EXIT, L751, P0EXIT](= ~y~0 1), 557#[L782, P1EXIT, L751, P0EXIT](= ~y~0 1), 560#[P1EXIT, L2, L751, P0EXIT](= ~y~0 1), 563#[L3, P1EXIT, L751, P0EXIT](= ~y~0 1), 569#[L2-1, P1EXIT, L751, P0EXIT](= ~y~0 1), 573#[P1EXIT, L751, L787, P0EXIT](= ~y~0 1), 577#[L754, P1EXIT, L787, P0EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 579#[L759, P1EXIT, L787, P0EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 581#[P1EXIT, P2FINAL, L787, P0EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 583#[P1EXIT, L787, P0EXIT, P2EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 584#[P1EXIT, L788, P0EXIT, P2EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 585#[P1EXIT, L18, P0EXIT, P2EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 586#[L18-1, P1EXIT, P0EXIT, P2EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 587#[L18-2, P1EXIT, P0EXIT, P2EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 589#[L17-5, P1EXIT, P0EXIT, P2EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 590#[L17-7, P1EXIT, P0EXIT, P2EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 593#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT, P2EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1))] [2021-01-26 23:03:08,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:03:08,907 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:03:08,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:03:08,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1870178198, now seen corresponding path program 2 times [2021-01-26 23:03:08,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:03:08,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804370594] [2021-01-26 23:03:08,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:03:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:03:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:03:09,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804370594] [2021-01-26 23:03:09,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:03:09,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-26 23:03:09,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620744405] [2021-01-26 23:03:09,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-26 23:03:09,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:03:09,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-26 23:03:09,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-26 23:03:09,225 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:03:09,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2021-01-26 23:03:09,311 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:09,535 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:09,563 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:09,591 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:09,724 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:10,014 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:10,032 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:10,059 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:10,128 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:10,151 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:10,249 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:10,339 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 58 and size of Sequence is : 59[2021-01-26 23:03:10,348 INFO L164 SleepSetCegar]: Size of mCounterexample is: 59 [2021-01-26 23:03:10,350 INFO L165 SleepSetCegar]: [603#[ULTIMATE.startENTRY]true, 605#[L-1]true, 607#[L-1-1]true, 609#[L17]true, 611#[L17-1]true, 613#[L17-2]true, 615#[L17-3]true, 617#[L17-4]true, 619#[L711](= ~__unbuffered_cnt~0 0), 621#[L713](= ~__unbuffered_cnt~0 0), 623#[L714](= ~__unbuffered_cnt~0 0), 627#[L715](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 629#[L717](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 631#[L719](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 633#[L-1-2](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 635#[L-1-3](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 637#[L773](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 639#[L773-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 641#[L774](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 643#[P0ENTRY, L774-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 647#[L775, P0ENTRY](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 649#[L775, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 653#[L775-1, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12394#[L722, L776](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12399#[L776-1, P1ENTRY, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12409#[L737, L776-1, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12419#[L776-1, L722, L739](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12429#[L776-1, L744, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12439#[P1FINAL, L776-1, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12447#[L776-1, L722, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12454#[L722, P1EXIT, L777](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12459#[L777-1, L722, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12464#[L722, P1EXIT, L778](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12469#[P2ENTRY, L778-1, L722, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12479#[P2ENTRY, L722, P1EXIT, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12489#[L749, L722, P1EXIT, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12499#[L722, P1EXIT, L779, L751](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12509#[L754, L722, P1EXIT, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12522#[L724, L754, P1EXIT, L779](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12529#[L754, L727, P1EXIT, L779](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12540#[L754, L732, P1EXIT, L779](and (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12547#[L754, P0FINAL, P1EXIT, L779](and (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12554#[L754, P1EXIT, L779, P0EXIT](and (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12564#[L759, P1EXIT, L779, P0EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12570#[P1EXIT, L779, P2FINAL, P0EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12574#[P1EXIT, L779, P0EXIT, P2EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12579#[L781, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 12582#[L782, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 12585#[P1EXIT, L2, P0EXIT, P2EXIT](= ~y~0 1), 12588#[L3, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 12594#[L2-1, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 12597#[P1EXIT, L787, P0EXIT, P2EXIT](= ~y~0 1), 12600#[P1EXIT, L788, P0EXIT, P2EXIT](= ~y~0 1), 12603#[P1EXIT, L18, P0EXIT, P2EXIT](= ~y~0 1), 12606#[L18-1, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 12610#[L18-2, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 12615#[L17-5, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 12618#[L17-7, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 12625#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1)] [2021-01-26 23:03:10,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:03:10,350 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:03:10,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:03:10,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1451930098, now seen corresponding path program 3 times [2021-01-26 23:03:10,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:03:10,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042992113] [2021-01-26 23:03:10,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:03:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:03:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:03:10,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042992113] [2021-01-26 23:03:10,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:03:10,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 23:03:10,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926894025] [2021-01-26 23:03:10,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 23:03:10,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:03:10,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 23:03:10,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 23:03:10,515 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:03:10,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2021-01-26 23:03:10,615 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 58 and size of Sequence is : 59[2021-01-26 23:03:11,515 INFO L164 SleepSetCegar]: Size of mCounterexample is: 59 [2021-01-26 23:03:11,516 INFO L165 SleepSetCegar]: [12633#[ULTIMATE.startENTRY]true, 12635#[L-1]true, 12637#[L-1-1]true, 12639#[L17]true, 12641#[L17-1]true, 12643#[L17-2]true, 12645#[L17-3]true, 12647#[L17-4]true, 12649#[L711](= ~__unbuffered_cnt~0 0), 12651#[L713](= ~__unbuffered_cnt~0 0), 12653#[L714](= ~__unbuffered_cnt~0 0), 12655#[L715](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12657#[L717](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12659#[L719](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12661#[L-1-2](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12663#[L-1-3](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12665#[L773](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12667#[L773-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12669#[L774](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12671#[P0ENTRY, L774-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12675#[L775, P0ENTRY](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12677#[L775, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12681#[L775-1, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20930#[L722, L776](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20932#[L776-1, P1ENTRY, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20936#[L737, L776-1, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20938#[L737, L722, L777](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28440#[L777-1, L737, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28447#[L737, L722, L778](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28454#[P2ENTRY, L737, L778-1, L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28468#[P2ENTRY, L737, L722, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28482#[L737, L749, L722, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28496#[L737, L722, L779, L751](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28510#[L737, L754, L722, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28529#[L737, L724, L754, L779](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28542#[L737, L754, L727, L779](and (= ~x~0 1) (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28561#[L737, L754, L732, L779](and (= ~x~0 1) (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 28576#[L737, L754, P0FINAL, L779](and (= ~x~0 1) (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 28589#[L737, L754, L779, P0EXIT](and (= ~x~0 1) (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 28605#[L754, L739, L779, P0EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 28611#[L744, L754, L779, P0EXIT](and (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28619#[P1FINAL, L754, L779, P0EXIT](and (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28621#[L754, P1EXIT, L779, P0EXIT](and (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28629#[L759, P1EXIT, L779, P0EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28633#[P1EXIT, L779, P2FINAL, P0EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28635#[P1EXIT, L779, P0EXIT, P2EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28639#[L781, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 28641#[L782, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 28643#[P1EXIT, L2, P0EXIT, P2EXIT](= ~y~0 1), 28645#[L3, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 28649#[L2-1, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 28651#[P1EXIT, L787, P0EXIT, P2EXIT](= ~y~0 1), 28653#[P1EXIT, L788, P0EXIT, P2EXIT](= ~y~0 1), 28655#[P1EXIT, L18, P0EXIT, P2EXIT](= ~y~0 1), 28657#[L18-1, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 28659#[L18-2, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 28663#[L17-5, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 28665#[L17-7, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 28671#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1)] [2021-01-26 23:03:11,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 23:03:11,517 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:03:11,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:03:11,517 INFO L82 PathProgramCache]: Analyzing trace with hash -273938222, now seen corresponding path program 4 times [2021-01-26 23:03:11,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:03:11,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183390534] [2021-01-26 23:03:11,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:03:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:03:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:03:11,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183390534] [2021-01-26 23:03:11,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:03:11,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 23:03:11,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502194306] [2021-01-26 23:03:11,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:03:11,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:03:11,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:03:11,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:03:11,686 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:03:11,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-01-26 23:03:12,227 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:03:13,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 23:03:13,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 11:03:13 BasicIcfg [2021-01-26 23:03:13,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 23:03:13,472 INFO L168 Benchmark]: Toolchain (without parser) took 7211.90 ms. Allocated memory was 302.0 MB in the beginning and 465.6 MB in the end (delta: 163.6 MB). Free memory was 277.3 MB in the beginning and 285.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 216.9 MB. Max. memory is 16.0 GB. [2021-01-26 23:03:13,472 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:03:13,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.16 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 245.6 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-26 23:03:13,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.43 ms. Allocated memory is still 302.0 MB. Free memory was 245.6 MB in the beginning and 243.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:03:13,477 INFO L168 Benchmark]: Boogie Preprocessor took 57.23 ms. Allocated memory is still 302.0 MB. Free memory was 243.6 MB in the beginning and 285.0 MB in the end (delta: -41.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. [2021-01-26 23:03:13,479 INFO L168 Benchmark]: RCFGBuilder took 686.83 ms. Allocated memory is still 302.0 MB. Free memory was 285.0 MB in the beginning and 262.6 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:03:13,485 INFO L168 Benchmark]: TraceAbstraction took 5591.56 ms. Allocated memory was 302.0 MB in the beginning and 465.6 MB in the end (delta: 163.6 MB). Free memory was 262.6 MB in the beginning and 285.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 202.0 MB. Max. memory is 16.0 GB. [2021-01-26 23:03:13,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 804.16 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 245.6 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 52.43 ms. Allocated memory is still 302.0 MB. Free memory was 245.6 MB in the beginning and 243.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 57.23 ms. Allocated memory is still 302.0 MB. Free memory was 243.6 MB in the beginning and 285.0 MB in the end (delta: -41.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. * RCFGBuilder took 686.83 ms. Allocated memory is still 302.0 MB. Free memory was 285.0 MB in the beginning and 262.6 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5591.56 ms. Allocated memory was 302.0 MB in the beginning and 465.6 MB in the end (delta: 163.6 MB). Free memory was 262.6 MB in the beginning and 285.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 202.0 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 4 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 32946 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...