/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/safe001_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 22:48:22,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 22:48:22,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 22:48:22,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 22:48:22,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 22:48:22,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 22:48:22,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 22:48:22,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 22:48:22,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 22:48:22,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 22:48:22,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 22:48:22,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 22:48:22,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 22:48:22,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 22:48:22,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 22:48:22,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 22:48:22,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 22:48:22,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 22:48:22,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 22:48:22,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 22:48:22,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 22:48:22,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 22:48:22,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 22:48:22,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 22:48:22,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-26 22:48:22,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-26 22:48:22,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-26 22:48:22,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-26 22:48:22,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-26 22:48:22,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-26 22:48:22,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 22:48:22,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 22:48:22,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 22:48:22,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 22:48:22,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 22:48:22,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 22:48:22,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 22:48:22,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 22:48:22,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 22:48:22,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 22:48:22,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 22:48:22,277 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 22:48:22,311 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 22:48:22,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 22:48:22,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 22:48:22,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 22:48:22,317 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 22:48:22,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 22:48:22,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 22:48:22,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 22:48:22,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 22:48:22,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 22:48:22,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 22:48:22,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 22:48:22,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 22:48:22,319 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 22:48:22,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 22:48:22,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 22:48:22,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 22:48:22,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 22:48:22,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 22:48:22,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 22:48:22,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 22:48:22,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 22:48:22,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 22:48:22,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 22:48:22,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 22:48:22,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 22:48:22,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 22:48:22,325 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 22:48:22,325 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 22:48:22,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 22:48:22,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 22:48:22,326 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 22:48:22,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 22:48:22,327 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 22:48:22,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 22:48:22,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 22:48:22,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 22:48:22,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 22:48:22,829 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 22:48:22,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.oepc.i [2021-01-26 22:48:22,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/842d4a474/c8bdc125274642eba5f00f373d3dd6f3/FLAGc05ea0cdf [2021-01-26 22:48:23,670 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 22:48:23,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.oepc.i [2021-01-26 22:48:23,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/842d4a474/c8bdc125274642eba5f00f373d3dd6f3/FLAGc05ea0cdf [2021-01-26 22:48:23,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/842d4a474/c8bdc125274642eba5f00f373d3dd6f3 [2021-01-26 22:48:23,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 22:48:23,967 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 22:48:23,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 22:48:23,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 22:48:23,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 22:48:23,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 10:48:23" (1/1) ... [2021-01-26 22:48:23,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6865b451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:23, skipping insertion in model container [2021-01-26 22:48:23,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 10:48:23" (1/1) ... [2021-01-26 22:48:23,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 22:48:24,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 22:48:24,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 22:48:24,423 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 22:48:24,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 22:48:24,615 INFO L208 MainTranslator]: Completed translation [2021-01-26 22:48:24,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24 WrapperNode [2021-01-26 22:48:24,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 22:48:24,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 22:48:24,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 22:48:24,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 22:48:24,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (1/1) ... [2021-01-26 22:48:24,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (1/1) ... [2021-01-26 22:48:24,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 22:48:24,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 22:48:24,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 22:48:24,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 22:48:24,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (1/1) ... [2021-01-26 22:48:24,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (1/1) ... [2021-01-26 22:48:24,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (1/1) ... [2021-01-26 22:48:24,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (1/1) ... [2021-01-26 22:48:24,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (1/1) ... [2021-01-26 22:48:24,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (1/1) ... [2021-01-26 22:48:24,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (1/1) ... [2021-01-26 22:48:24,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 22:48:24,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 22:48:24,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 22:48:24,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 22:48:24,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (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 22:48:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 22:48:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 22:48:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 22:48:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 22:48:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-26 22:48:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-26 22:48:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-26 22:48:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-26 22:48:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-26 22:48:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-26 22:48:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 22:48:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 22:48:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 22:48:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 22:48:24,894 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 22:48:25,359 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 22:48:25,360 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-26 22:48:25,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 10:48:25 BoogieIcfgContainer [2021-01-26 22:48:25,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 22:48:25,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 22:48:25,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 22:48:25,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 22:48:25,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 10:48:23" (1/3) ... [2021-01-26 22:48:25,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b80095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 10:48:25, skipping insertion in model container [2021-01-26 22:48:25,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:48:24" (2/3) ... [2021-01-26 22:48:25,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b80095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 10:48:25, skipping insertion in model container [2021-01-26 22:48:25,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 10:48:25" (3/3) ... [2021-01-26 22:48:25,371 INFO L111 eAbstractionObserver]: Analyzing ICFG safe001_tso.oepc.i [2021-01-26 22:48:25,389 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 22:48:25,389 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 22:48:25,393 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 22:48:25,394 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 22:48:25,432 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,433 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,433 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,433 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,433 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,433 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,434 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,434 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,434 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,435 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,436 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,436 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,436 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,436 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,437 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,437 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,437 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,437 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,437 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,438 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,439 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,439 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,439 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,439 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,440 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,440 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,440 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,440 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,445 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,445 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,453 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,453 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,454 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,459 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,459 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,459 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,459 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:48:25,462 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 22:48:25,476 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-26 22:48:25,503 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 22:48:25,504 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 22:48:25,504 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 22:48:25,504 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 22:48:25,504 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 22:48:25,504 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 22:48:25,504 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 22:48:25,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 59 and size of Sequence is : 60[2021-01-26 22:48:25,557 INFO L164 SleepSetCegar]: Size of mCounterexample is: 60 [2021-01-26 22:48:25,558 INFO L165 SleepSetCegar]: [90#[ULTIMATE.startENTRY]don't care, 92#[L-1]don't care, 94#[L-1-1]don't care, 96#[L17]don't care, 98#[L17-1]don't care, 100#[L17-2]don't care, 102#[L17-3]don't care, 104#[L17-4]don't care, 106#[L711]don't care, 108#[L713]don't care, 110#[L714]don't care, 112#[L715]don't care, 114#[L717]don't care, 116#[L719]don't care, 118#[L-1-2]don't care, 120#[L-1-3]don't care, 122#[L776]don't care, 124#[L776-1]don't care, 126#[L777]don't care, 128#[P0ENTRY, L777-1]don't care, 132#[P0ENTRY, L778]don't care, 134#[L722, L778]don't care, 138#[L724, L778]don't care, 144#[L727, L778]don't care, 148#[L732, L778]don't care, 150#[P0FINAL, L778]don't care, 156#[P0EXIT, L778]don't care, 158#[P0EXIT, L778-1]don't care, 160#[P0EXIT, L779]don't care, 162#[P0EXIT, L779-1, P1ENTRY]don't care, 166#[P0EXIT, L779-1, L737]don't care, 168#[P0EXIT, L779-1, L739]don't care, 172#[P0EXIT, L742, L779-1]don't care, 176#[P0EXIT, L779-1, L747]don't care, 182#[P0EXIT, L779-1, P1FINAL]don't care, 184#[P0EXIT, L779-1, P1EXIT]don't care, 188#[P0EXIT, L780, P1EXIT]don't care, 190#[P0EXIT, L780-1, P1EXIT]don't care, 192#[P0EXIT, L781, P1EXIT]don't care, 194#[P0EXIT, P2ENTRY, P1EXIT, L781-1]don't care, 198#[P0EXIT, P2ENTRY, L782, P1EXIT]don't care, 200#[P0EXIT, L782, P1EXIT, L752]don't care, 206#[P0EXIT, L782, L754, P1EXIT]don't care, 208#[P0EXIT, L757, L782, P1EXIT]don't care, 214#[P0EXIT, L782, P1EXIT, L762]don't care, 218#[P0EXIT, L782, P2FINAL, P1EXIT]don't care, 222#[P0EXIT, L782, P1EXIT, P2EXIT]don't care, 224#[P0EXIT, L784, P1EXIT, P2EXIT]don't care, 226#[P0EXIT, P1EXIT, L785, P2EXIT]don't care, 228#[P0EXIT, P1EXIT, L2, P2EXIT]don't care, 230#[P0EXIT, P1EXIT, P2EXIT, L3]don't care, 232#[P0EXIT, P1EXIT, L2-1, P2EXIT]don't care, 236#[P0EXIT, L790, P1EXIT, P2EXIT]don't care, 238#[P0EXIT, L791, P1EXIT, P2EXIT]don't care, 240#[P0EXIT, P1EXIT, L18, P2EXIT]don't care, 242#[P0EXIT, L18-1, P1EXIT, P2EXIT]don't care, 244#[P0EXIT, L18-2, P1EXIT, P2EXIT]don't care, 248#[P0EXIT, P1EXIT, L17-5, P2EXIT]don't care, 252#[P0EXIT, L17-7, P1EXIT, P2EXIT]don't care, 256#[P0EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P2EXIT]don't care] [2021-01-26 22:48:25,559 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:48:25,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:48:25,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1229032301, now seen corresponding path program 1 times [2021-01-26 22:48:25,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:48:25,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020632481] [2021-01-26 22:48:25,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:48:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:48:26,273 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 22:48:26,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020632481] [2021-01-26 22:48:26,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:48:26,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 22:48:26,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325031024] [2021-01-26 22:48:26,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 22:48:26,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:48:26,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 22:48:26,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 22:48:26,319 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:48:26,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 22:48:26,585 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:26,646 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:26,849 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:26,919 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:26,939 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:27,139 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:27,173 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 59 and size of Sequence is : 60[2021-01-26 22:48:28,321 INFO L164 SleepSetCegar]: Size of mCounterexample is: 60 [2021-01-26 22:48:28,322 INFO L165 SleepSetCegar]: [264#[ULTIMATE.startENTRY]true, 265#[L-1]true, 266#[L-1-1]true, 267#[L17]true, 268#[L17-1]true, 269#[L17-2]true, 270#[L17-3]true, 271#[L17-4]true, 272#[L711]true, 273#[L713](= ~__unbuffered_p0_EAX~0 0), 274#[L714](= ~__unbuffered_p0_EAX~0 0), 275#[L715](= ~__unbuffered_p0_EAX~0 0), 276#[L717](= ~__unbuffered_p0_EAX~0 0), 277#[L719](= ~__unbuffered_p0_EAX~0 0), 280#[L-1-2](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 281#[L-1-3](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 282#[L776](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 283#[L776-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 284#[L777](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 285#[P0ENTRY, L777-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 287#[P0ENTRY, L778](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 288#[L722, L778](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 291#[L778-1, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17812#[L722, L779](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17815#[L722, L779-1, P1ENTRY](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17821#[L722, L779-1, L737](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17826#[L722, L779-1, L739](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17832#[L722, L742, L779-1](= ~__unbuffered_p0_EAX~0 0), 17838#[L724, L742, L779-1]true, 17843#[L742, L727, L779-1]true, 17846#[L732, L742, L779-1]true, 17847#[P0FINAL, L742, L779-1]true, 17852#[P0EXIT, L742, L779-1]true, 17853#[P0EXIT, L779-1, L747]true, 17856#[P0EXIT, L779-1, P1FINAL]true, 17857#[P0EXIT, L779-1, P1EXIT]true, 17859#[P0EXIT, L780, P1EXIT]true, 17860#[P0EXIT, L780-1, P1EXIT]true, 17861#[P0EXIT, L781, P1EXIT]true, 17862#[P0EXIT, P2ENTRY, P1EXIT, L781-1]true, 17864#[P0EXIT, P2ENTRY, L782, P1EXIT]true, 17865#[P0EXIT, L782, P1EXIT, L752]true, 17868#[P0EXIT, L782, L754, P1EXIT]true, 17869#[P0EXIT, L757, L782, P1EXIT]true, 17872#[P0EXIT, L782, P1EXIT, L762]true, 17874#[P0EXIT, L782, P2FINAL, P1EXIT]true, 17876#[P0EXIT, L782, P1EXIT, P2EXIT]true, 17877#[P0EXIT, L784, P1EXIT, P2EXIT]true, 17878#[P0EXIT, P1EXIT, L785, P2EXIT]true, 17879#[P0EXIT, P1EXIT, L2, P2EXIT]true, 17880#[P0EXIT, P1EXIT, P2EXIT, L3]true, 17881#[P0EXIT, P1EXIT, L2-1, P2EXIT]true, 17883#[P0EXIT, L790, P1EXIT, P2EXIT]true, 17884#[P0EXIT, L791, P1EXIT, P2EXIT]true, 17885#[P0EXIT, P1EXIT, L18, P2EXIT]true, 17886#[P0EXIT, L18-1, P1EXIT, P2EXIT]true, 17887#[P0EXIT, L18-2, P1EXIT, P2EXIT]true, 17889#[P0EXIT, P1EXIT, L17-5, P2EXIT]true, 17891#[P0EXIT, L17-7, P1EXIT, P2EXIT]true, 17893#[P0EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P2EXIT]true] [2021-01-26 22:48:28,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 22:48:28,322 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:48:28,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:48:28,323 INFO L82 PathProgramCache]: Analyzing trace with hash 420893433, now seen corresponding path program 2 times [2021-01-26 22:48:28,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:48:28,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424383350] [2021-01-26 22:48:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:48:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:48:28,509 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 22:48:28,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424383350] [2021-01-26 22:48:28,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:48:28,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 22:48:28,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510329250] [2021-01-26 22:48:28,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 22:48:28,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:48:28,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 22:48:28,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 22:48:28,514 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:48:28,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 22:48:30,263 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:30,657 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 59 and size of Sequence is : 60[2021-01-26 22:48:30,795 INFO L164 SleepSetCegar]: Size of mCounterexample is: 60 [2021-01-26 22:48:30,795 INFO L165 SleepSetCegar]: [17902#[ULTIMATE.startENTRY]true, 17904#[L-1]true, 17906#[L-1-1]true, 17908#[L17]true, 17910#[L17-1]true, 17912#[L17-2]true, 17914#[L17-3]true, 17916#[L17-4]true, 17918#[L711]true, 17920#[L713](= ~__unbuffered_p0_EAX~0 0), 17922#[L714](= ~__unbuffered_p0_EAX~0 0), 17924#[L715](= ~__unbuffered_p0_EAX~0 0), 17926#[L717](= ~__unbuffered_p0_EAX~0 0), 17928#[L719](= ~__unbuffered_p0_EAX~0 0), 17930#[L-1-2](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17932#[L-1-3](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17934#[L776](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17936#[L776-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17938#[L777](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17940#[P0ENTRY, L777-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17944#[P0ENTRY, L778](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17946#[L722, L778](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 17952#[L778-1, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 35252#[L722, L779](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 35254#[L722, L779-1, P1ENTRY](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 35258#[L722, L779-1, L737](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 35260#[L722, L779-1, L739](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 35264#[L722, L742, L779-1](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 35272#[L722, L779-1, L747](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45145#[L722, L779-1, P1FINAL](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45153#[L722, L779-1, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45160#[L722, L780, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45165#[L722, L780-1, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45170#[L722, L781, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45175#[P2ENTRY, L722, P1EXIT, L781-1](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45185#[P2ENTRY, L722, L782, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45193#[L722, L782, P1EXIT, L752](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45205#[L722, L782, L754, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 45213#[L757, L722, L782, P1EXIT](= ~__unbuffered_p0_EAX~0 0), 45223#[L757, L724, L782, P1EXIT]true, 45233#[L757, L782, L727, P1EXIT]true, 45239#[L757, L732, L782, P1EXIT]true, 45241#[L757, P0FINAL, L782, P1EXIT]true, 45251#[P0EXIT, L757, L782, P1EXIT]true, 45255#[P0EXIT, L782, P1EXIT, L762]true, 45259#[P0EXIT, L782, P2FINAL, P1EXIT]true, 45263#[P0EXIT, L782, P1EXIT, P2EXIT]true, 45265#[P0EXIT, L784, P1EXIT, P2EXIT]true, 45267#[P0EXIT, P1EXIT, L785, P2EXIT]true, 45269#[P0EXIT, P1EXIT, L2, P2EXIT]true, 45271#[P0EXIT, P1EXIT, P2EXIT, L3]true, 45273#[P0EXIT, P1EXIT, L2-1, P2EXIT]true, 45277#[P0EXIT, L790, P1EXIT, P2EXIT]true, 45279#[P0EXIT, L791, P1EXIT, P2EXIT]true, 45281#[P0EXIT, P1EXIT, L18, P2EXIT]true, 45283#[P0EXIT, L18-1, P1EXIT, P2EXIT]true, 45285#[P0EXIT, L18-2, P1EXIT, P2EXIT]true, 45289#[P0EXIT, P1EXIT, L17-5, P2EXIT]true, 45293#[P0EXIT, L17-7, P1EXIT, P2EXIT]true, 45297#[P0EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P2EXIT]true] [2021-01-26 22:48:30,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 22:48:30,796 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:48:30,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:48:30,797 INFO L82 PathProgramCache]: Analyzing trace with hash -113818411, now seen corresponding path program 3 times [2021-01-26 22:48:30,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:48:30,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255377929] [2021-01-26 22:48:30,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:48:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:48:30,927 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 22:48:30,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255377929] [2021-01-26 22:48:30,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:48:30,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 22:48:30,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834211804] [2021-01-26 22:48:30,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 22:48:30,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:48:30,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 22:48:30,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 22:48:30,930 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:48:30,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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: 59 and size of Sequence is : 60[2021-01-26 22:48:33,088 INFO L164 SleepSetCegar]: Size of mCounterexample is: 60 [2021-01-26 22:48:33,090 INFO L165 SleepSetCegar]: [45305#[ULTIMATE.startENTRY]true, 45307#[L-1]true, 45309#[L-1-1]true, 45311#[L17]true, 45313#[L17-1]true, 45315#[L17-2]true, 45317#[L17-3]true, 45319#[L17-4]true, 45321#[L711]true, 45323#[L713](= ~__unbuffered_p0_EAX~0 0), 45325#[L714](= ~__unbuffered_p0_EAX~0 0), 45327#[L715](= ~__unbuffered_p0_EAX~0 0), 45329#[L717](= ~__unbuffered_p0_EAX~0 0), 45331#[L719](= ~__unbuffered_p0_EAX~0 0), 45333#[L-1-2](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 45335#[L-1-3](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 45337#[L776](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 45339#[L776-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 45341#[L777](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 45343#[P0ENTRY, L777-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 45347#[P0ENTRY, L778](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 45349#[L722, L778](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 45355#[L778-1, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 76038#[L722, L779](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 76040#[L722, L779-1, P1ENTRY](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 76044#[L722, L779-1, L737](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 76046#[L722, L779-1, L739](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 76050#[L722, L742, L779-1](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 76056#[L722, L779-1, L747](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83444#[L722, L779-1, P1FINAL](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83446#[L722, L779-1, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83450#[L722, L780, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83452#[L722, L780-1, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83454#[L722, L781, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83456#[P2ENTRY, L722, P1EXIT, L781-1](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83460#[P2ENTRY, L722, L782, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83462#[L722, L782, P1EXIT, L752](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83468#[L722, L782, L754, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 83470#[L757, L722, L782, P1EXIT](= ~__unbuffered_p0_EAX~0 0), 83474#[L757, L724, L782, P1EXIT]true, 83482#[L724, L782, P1EXIT, L762]true, 84842#[L724, L782, P2FINAL, P1EXIT]true, 84850#[L724, L782, P1EXIT, P2EXIT]true, 84854#[L724, L784, P1EXIT, P2EXIT]true, 84858#[L724, P1EXIT, L785, P2EXIT]true, 84862#[L724, P1EXIT, L2, P2EXIT]true, 84866#[L724, P1EXIT, P2EXIT, L3]true, 84872#[L724, P1EXIT, L2-1, P2EXIT]true, 84878#[L724, L790, P1EXIT, P2EXIT]true, 84884#[L790, L727, P1EXIT, P2EXIT](= ~x~0 1), 84888#[L732, L790, P1EXIT, P2EXIT](= ~x~0 1), 84892#[P0FINAL, L790, P1EXIT, P2EXIT](= ~x~0 1), 84896#[P0EXIT, L790, P1EXIT, P2EXIT](= ~x~0 1), 84898#[P0EXIT, L791, P1EXIT, P2EXIT](= ~x~0 1), 84900#[P0EXIT, P1EXIT, L18, P2EXIT](= ~x~0 1), 84902#[P0EXIT, L18-1, P1EXIT, P2EXIT](= ~x~0 1), 84904#[P0EXIT, L18-2, P1EXIT, P2EXIT](= ~x~0 1), 84908#[P0EXIT, P1EXIT, L17-5, P2EXIT](= ~x~0 1), 84912#[P0EXIT, L17-7, P1EXIT, P2EXIT](= ~x~0 1), 84916#[P0EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P2EXIT](= ~x~0 1)] [2021-01-26 22:48:33,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 22:48:33,091 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:48:33,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:48:33,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1567468049, now seen corresponding path program 4 times [2021-01-26 22:48:33,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:48:33,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704770920] [2021-01-26 22:48:33,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:48:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:48:33,264 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 22:48:33,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704770920] [2021-01-26 22:48:33,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:48:33,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-26 22:48:33,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670612920] [2021-01-26 22:48:33,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-26 22:48:33,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:48:33,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-26 22:48:33,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-26 22:48:33,267 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:48:33,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 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 22:48:33,339 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:33,520 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:33,541 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:33,556 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:33,929 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:33,951 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:34,009 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:34,064 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:35,213 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:48:36,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 22:48:36,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 10:48:36 BasicIcfg [2021-01-26 22:48:36,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 22:48:36,071 INFO L168 Benchmark]: Toolchain (without parser) took 12111.13 ms. Allocated memory was 302.0 MB in the beginning and 625.0 MB in the end (delta: 323.0 MB). Free memory was 277.1 MB in the beginning and 466.6 MB in the end (delta: -189.5 MB). Peak memory consumption was 392.9 MB. Max. memory is 16.0 GB. [2021-01-26 22:48:36,072 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 22:48:36,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.74 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 245.3 MB in the end (delta: 30.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-26 22:48:36,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.94 ms. Allocated memory is still 302.0 MB. Free memory was 245.3 MB in the beginning and 243.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 22:48:36,081 INFO L168 Benchmark]: Boogie Preprocessor took 76.75 ms. Allocated memory is still 302.0 MB. Free memory was 243.4 MB in the beginning and 284.9 MB in the end (delta: -41.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. [2021-01-26 22:48:36,082 INFO L168 Benchmark]: RCFGBuilder took 567.89 ms. Allocated memory is still 302.0 MB. Free memory was 284.9 MB in the beginning and 261.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-01-26 22:48:36,090 INFO L168 Benchmark]: TraceAbstraction took 10703.68 ms. Allocated memory was 302.0 MB in the beginning and 625.0 MB in the end (delta: 323.0 MB). Free memory was 261.7 MB in the beginning and 466.6 MB in the end (delta: -204.9 MB). Peak memory consumption was 376.0 MB. Max. memory is 16.0 GB. [2021-01-26 22:48:36,099 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 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 649.74 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 245.3 MB in the end (delta: 30.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 96.94 ms. Allocated memory is still 302.0 MB. Free memory was 245.3 MB in the beginning and 243.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 76.75 ms. Allocated memory is still 302.0 MB. Free memory was 243.4 MB in the beginning and 284.9 MB in the end (delta: -41.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. * RCFGBuilder took 567.89 ms. Allocated memory is still 302.0 MB. Free memory was 284.9 MB in the beginning and 261.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10703.68 ms. Allocated memory was 302.0 MB in the beginning and 625.0 MB in the end (delta: 323.0 MB). Free memory was 261.7 MB in the beginning and 466.6 MB in the end (delta: -204.9 MB). Peak memory consumption was 376.0 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, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.5s, 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, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 33408 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...