/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-atomic/dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 21:17:19,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 21:17:19,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 21:17:19,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 21:17:19,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 21:17:19,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 21:17:19,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 21:17:19,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 21:17:19,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 21:17:19,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 21:17:19,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 21:17:19,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 21:17:19,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 21:17:19,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 21:17:19,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 21:17:19,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 21:17:19,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 21:17:19,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 21:17:19,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 21:17:19,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 21:17:19,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 21:17:19,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 21:17:19,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 21:17:19,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 21:17:19,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-26 21:17:19,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-26 21:17:19,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-26 21:17:19,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-26 21:17:19,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-26 21:17:19,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-26 21:17:19,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 21:17:19,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 21:17:19,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 21:17:19,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 21:17:19,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 21:17:19,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 21:17:19,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 21:17:19,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 21:17:19,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 21:17:19,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 21:17:19,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 21:17:19,496 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 21:17:19,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 21:17:19,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 21:17:19,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 21:17:19,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 21:17:19,535 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 21:17:19,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 21:17:19,536 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 21:17:19,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 21:17:19,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 21:17:19,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 21:17:19,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 21:17:19,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 21:17:19,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 21:17:19,538 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 21:17:19,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 21:17:19,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 21:17:19,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 21:17:19,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 21:17:19,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 21:17:19,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 21:17:19,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 21:17:19,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 21:17:19,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 21:17:19,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 21:17:19,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 21:17:19,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 21:17:19,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 21:17:19,542 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 21:17:19,542 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 21:17:19,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 21:17:19,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 21:17:19,543 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 21:17:19,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 21:17:19,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 21:17:19,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 21:17:19,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 21:17:20,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 21:17:20,002 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 21:17:20,002 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 21:17:20,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2021-01-26 21:17:20,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f73b3e5/6d9cd7a367d7462d85960efb010d91e5/FLAG3c226b972 [2021-01-26 21:17:20,822 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 21:17:20,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2021-01-26 21:17:20,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f73b3e5/6d9cd7a367d7462d85960efb010d91e5/FLAG3c226b972 [2021-01-26 21:17:21,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f73b3e5/6d9cd7a367d7462d85960efb010d91e5 [2021-01-26 21:17:21,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 21:17:21,114 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 21:17:21,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 21:17:21,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 21:17:21,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 21:17:21,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:21,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e35312d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21, skipping insertion in model container [2021-01-26 21:17:21,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:21,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 21:17:21,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 21:17:21,452 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-26 21:17:21,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 21:17:21,691 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 21:17:21,729 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-26 21:17:21,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 21:17:21,901 INFO L208 MainTranslator]: Completed translation [2021-01-26 21:17:21,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21 WrapperNode [2021-01-26 21:17:21,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 21:17:21,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 21:17:21,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 21:17:21,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 21:17:21,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:21,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:21,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 21:17:22,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 21:17:22,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 21:17:22,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 21:17:22,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:22,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:22,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:22,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:22,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:22,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:22,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (1/1) ... [2021-01-26 21:17:22,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 21:17:22,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 21:17:22,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 21:17:22,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 21:17:22,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (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 21:17:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 21:17:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-01-26 21:17:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-01-26 21:17:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-26 21:17:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-26 21:17:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 21:17:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 21:17:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 21:17:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 21:17:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 21:17:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 21:17:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 21:17:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 21:17:22,168 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 21:17:22,782 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 21:17:22,782 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2021-01-26 21:17:22,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 09:17:22 BoogieIcfgContainer [2021-01-26 21:17:22,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 21:17:22,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 21:17:22,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 21:17:22,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 21:17:22,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 09:17:21" (1/3) ... [2021-01-26 21:17:22,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c0383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 09:17:22, skipping insertion in model container [2021-01-26 21:17:22,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:17:21" (2/3) ... [2021-01-26 21:17:22,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c0383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 09:17:22, skipping insertion in model container [2021-01-26 21:17:22,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 09:17:22" (3/3) ... [2021-01-26 21:17:22,793 INFO L111 eAbstractionObserver]: Analyzing ICFG dekker.i [2021-01-26 21:17:22,810 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 21:17:22,811 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 21:17:22,815 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-26 21:17:22,816 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 21:17:22,854 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,855 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,855 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,855 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,855 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,856 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,856 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,856 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,856 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,857 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,857 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,857 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,857 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,858 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,858 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,858 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,858 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,859 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,859 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,859 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,859 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,859 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,860 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,860 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,860 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,861 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,861 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,861 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,862 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,862 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,862 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,862 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,862 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,863 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,863 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,863 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,863 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,863 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,864 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,864 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,864 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,864 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,885 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,886 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,886 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,886 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,886 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,887 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,887 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,889 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:17:22,904 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-01-26 21:17:22,918 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-26 21:17:22,944 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 21:17:22,944 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 21:17:22,944 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 21:17:22,945 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 21:17:22,945 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 21:17:22,945 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 21:17:22,945 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 21:17:22,945 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 30 and size of Sequence is : 31[2021-01-26 21:17:22,975 INFO L164 SleepSetCegar]: Size of mCounterexample is: 31 [2021-01-26 21:17:22,975 INFO L165 SleepSetCegar]: [99#[ULTIMATE.startENTRY]don't care, 101#[L-1]don't care, 103#[L-1-1]don't care, 105#[L16]don't care, 107#[L16-1]don't care, 109#[L16-2]don't care, 111#[L16-3]don't care, 113#[L16-4]don't care, 115#[L704]don't care, 117#[L705]don't care, 119#[L706]don't care, 121#[L-1-2]don't care, 123#[L-1-3]don't care, 125#[L790]don't care, 127#[L790-1]don't care, 129#[L790-2]don't care, 131#[L791]don't care, 133#[L2]don't care, 135#[L3]don't care, 139#[L2-1]don't care, 141#[L792]don't care, 143#[thr1ENTRY, L792-1]don't care, 145#[L792-1, L708]don't care, 151#[L710, L792-1]don't care, 153#[L736, L792-1]don't care, 159#[L714-1, L792-1]don't care, 165#[L792-1, L739]don't care, 167#[L739-1, L792-1]don't care, 175#[L792-1, L16]don't care, 177#[L16-2, L792-1]don't care, 185#[thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, L792-1]don't care] [2021-01-26 21:17:22,976 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:17:22,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:17:22,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1133918687, now seen corresponding path program 1 times [2021-01-26 21:17:22,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:17:22,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889424870] [2021-01-26 21:17:22,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:17:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:17:23,222 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 21:17:23,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889424870] [2021-01-26 21:17:23,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:17:23,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 21:17:23,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190652234] [2021-01-26 21:17:23,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 21:17:23,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:17:23,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 21:17:23,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 21:17:23,255 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:17:23,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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: 30 and size of Sequence is : 31[2021-01-26 21:17:23,267 INFO L164 SleepSetCegar]: Size of mCounterexample is: 31 [2021-01-26 21:17:23,268 INFO L165 SleepSetCegar]: [188#[ULTIMATE.startENTRY]true, 189#[L-1]true, 190#[L-1-1]true, 191#[L16]true, 192#[L16-1]true, 193#[L16-2]true, 194#[L16-3]true, 195#[L16-4]true, 196#[L704]true, 197#[L705]true, 198#[L706]true, 199#[L-1-2]true, 200#[L-1-3]true, 201#[L790]true, 202#[L790-1]true, 203#[L790-2]true, 204#[L791]true, 205#[L2]true, 206#[L3]true, 208#[L2-1]true, 210#[L792]true, 211#[thr1ENTRY, L792-1]true, 212#[L792-1, L708]true, 215#[L710, L792-1]true, 216#[L736, L792-1]true, 221#[L714-1, L792-1]true, 223#[L792-1, L739]true, 224#[L739-1, L792-1]true, 228#[L792-1, L16]true, 230#[L16-2, L792-1]true, 234#[thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, L792-1]true] [2021-01-26 21:17:23,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 21:17:23,269 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:17:23,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:17:23,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1105289536, now seen corresponding path program 1 times [2021-01-26 21:17:23,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:17:23,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104612590] [2021-01-26 21:17:23,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:17:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:17:23,365 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 21:17:23,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104612590] [2021-01-26 21:17:23,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:17:23,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-26 21:17:23,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206490268] [2021-01-26 21:17:23,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 21:17:23,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:17:23,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 21:17:23,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 21:17:23,371 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:17:23,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 21:17:23,404 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 43 and size of Sequence is : 44[2021-01-26 21:17:23,437 INFO L164 SleepSetCegar]: Size of mCounterexample is: 44 [2021-01-26 21:17:23,438 INFO L165 SleepSetCegar]: [239#[ULTIMATE.startENTRY]true, 241#[L-1]true, 243#[L-1-1]true, 245#[L16]true, 247#[L16-1]true, 249#[L16-2]true, 251#[L16-3]true, 253#[L16-4]true, 255#[L704]true, 257#[L705]true, 259#[L706]true, 261#[L-1-2](= ~x~0 0), 263#[L-1-3](= ~x~0 0), 265#[L790](= ~x~0 0), 267#[L790-1](= ~x~0 0), 269#[L790-2](= ~x~0 0), 271#[L791](= ~x~0 0), 273#[L2](= ~x~0 0), 275#[L3](= ~x~0 0), 279#[L2-1](= ~x~0 0), 283#[L792](= ~x~0 0), 285#[thr1ENTRY, L792-1](= ~x~0 0), 287#[L792-1, L708](= ~x~0 0), 293#[L710, L792-1](= ~x~0 0), 295#[L736, L792-1](= ~x~0 0), 305#[L714-1, L792-1](= ~x~0 0), 309#[L792-1, L739](= ~x~0 0), 315#[L739-2, L792-1](= ~x~0 0), 323#[L742, L792-1](= ~x~0 0), 335#[L745, L792-1](= ~x~0 0), 343#[thr1FINAL, L792-1](= ~x~0 0), 353#[thr1EXIT, L792-1](= ~x~0 0), 360#[L793, thr1EXIT](= ~x~0 0), 365#[thr1EXIT, L793-1](= ~x~0 0), 370#[thr2ENTRY, thr1EXIT, L793-2](= ~x~0 0), 380#[thr1EXIT, L793-2, L749](= ~x~0 0), 388#[thr1EXIT, L793-2, L751](= ~x~0 0), 398#[L777, thr1EXIT, L793-2](= ~x~0 0), 414#[thr1EXIT, L793-2, L755-1](= ~x~0 0), 428#[L780, thr1EXIT, L793-2]true, 441#[L780-1, thr1EXIT, L793-2]true, 451#[thr1EXIT, L16, L793-2]true, 462#[thr1EXIT, L793-2, L16-2]true, 477#[thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1EXIT, L793-2]true] [2021-01-26 21:17:23,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 21:17:23,438 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:17:23,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:17:23,439 INFO L82 PathProgramCache]: Analyzing trace with hash -857297104, now seen corresponding path program 1 times [2021-01-26 21:17:23,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:17:23,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592527981] [2021-01-26 21:17:23,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:17:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:17:23,523 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 21:17:23,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592527981] [2021-01-26 21:17:23,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:17:23,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-26 21:17:23,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600136429] [2021-01-26 21:17:23,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 21:17:23,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:17:23,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 21:17:23,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 21:17:23,527 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:17:23,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 21:17:23,571 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 43 and size of Sequence is : 44[2021-01-26 21:17:23,800 INFO L164 SleepSetCegar]: Size of mCounterexample is: 44 [2021-01-26 21:17:23,801 INFO L165 SleepSetCegar]: [486#[ULTIMATE.startENTRY]true, 488#[L-1]true, 490#[L-1-1]true, 492#[L16]true, 494#[L16-1]true, 496#[L16-2]true, 498#[L16-3]true, 500#[L16-4]true, 502#[L704]true, 504#[L705]true, 506#[L706]true, 508#[L-1-2](= ~x~0 0), 510#[L-1-3](= ~x~0 0), 512#[L790](= ~x~0 0), 514#[L790-1](= ~x~0 0), 516#[L790-2](= ~x~0 0), 518#[L791](= ~x~0 0), 520#[L2](= ~x~0 0), 522#[L3](= ~x~0 0), 526#[L2-1](= ~x~0 0), 530#[L792](= ~x~0 0), 532#[thr1ENTRY, L792-1](= ~x~0 0), 534#[L792-1, L708](= ~x~0 0), 540#[L710, L792-1](= ~x~0 0), 542#[L736, L792-1](= ~x~0 0), 552#[L714-1, L792-1](= ~x~0 0), 556#[L792-1, L739](= ~x~0 0), 560#[L793, L739](= ~x~0 0), 3404#[L793-1, L739](= ~x~0 0), 3420#[thr2ENTRY, L793-2, L739](= ~x~0 0), 3441#[L793-2, L749, L739](= ~x~0 0), 3458#[L793-2, L751, L739](= ~x~0 0), 3481#[L777, L793-2, L739](= ~x~0 0), 3510#[L793-2, L755-1, L739](= ~x~0 0), 3537#[L780, L793-2, L739](= ~x~0 1), 3559#[L793-2, L780-2, L739](= ~x~0 1), 3588#[L793-2, L783, L739](= ~x~0 1), 3611#[L793-2, L739, L786](= ~x~0 1), 3632#[L793-2, L739, thr2FINAL](= ~x~0 1), 3655#[L793-2, thr2EXIT, L739](= ~x~0 1), 3671#[L793-2, L739-1, thr2EXIT](= ~x~0 1), 3689#[L793-2, thr2EXIT, L16](= ~x~0 1), 3706#[L16-2, L793-2, thr2EXIT](= ~x~0 1), 3727#[thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, L793-2, thr2EXIT](= ~x~0 1)] [2021-01-26 21:17:23,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 21:17:23,802 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:17:23,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:17:23,802 INFO L82 PathProgramCache]: Analyzing trace with hash 55774696, now seen corresponding path program 1 times [2021-01-26 21:17:23,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:17:23,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321563827] [2021-01-26 21:17:23,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:17:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:17:23,901 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 21:17:23,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321563827] [2021-01-26 21:17:23,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:17:23,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-26 21:17:23,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363182118] [2021-01-26 21:17:23,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-26 21:17:23,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:17:23,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-26 21:17:23,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-26 21:17:23,904 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:17:23,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 21:17:24,015 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,040 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,107 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,130 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 46 and size of Sequence is : 47[2021-01-26 21:17:24,274 INFO L164 SleepSetCegar]: Size of mCounterexample is: 47 [2021-01-26 21:17:24,275 INFO L165 SleepSetCegar]: [3735#[ULTIMATE.startENTRY]true, 3737#[L-1]true, 3739#[L-1-1]true, 3741#[L16]true, 3743#[L16-1]true, 3745#[L16-2]true, 3747#[L16-3]true, 3749#[L16-4]true, 3751#[L704]true, 3753#[L705]true, 3755#[L706]true, 3757#[L-1-2](= ~x~0 0), 3759#[L-1-3](= ~x~0 0), 3761#[L790](= ~x~0 0), 3763#[L790-1](= ~x~0 0), 3765#[L790-2](= ~x~0 0), 3767#[L791](= ~x~0 0), 3769#[L2](= ~x~0 0), 3771#[L3](= ~x~0 0), 3775#[L2-1](= ~x~0 0), 3779#[L792](= ~x~0 0), 3781#[thr1ENTRY, L792-1](= ~x~0 0), 3783#[L792-1, L708](= ~x~0 0), 3789#[L710, L792-1](and (= ~x~0 0) (= ~flag1~0 1)), 3791#[L736, L792-1](and (= ~x~0 0) (= ~flag1~0 1)), 3799#[L715, L792-1](and (= ~x~0 0) (= ~flag1~0 1)), 5858#[L792-1, L717](and (= ~x~0 0) (= ~flag1~0 1)), 5881#[L792-1, L719](and (= ~x~0 0) (= ~flag1~0 1)), 5901#[L721, L792-1](= ~x~0 0), 5921#[L728, L792-1](= ~x~0 0), 5955#[L725-1, L792-1](= ~x~0 0), 5964#[L725-1, L793](= ~x~0 0), 5980#[L725-1, L793-1](= ~x~0 0), 5998#[L725-1, thr2ENTRY, L793-2](= ~x~0 0), 6027#[L725-1, L793-2, L749](= ~x~0 0), 6050#[L725-1, L793-2, L751](= ~x~0 0), 6077#[L725-1, L777, L793-2](= ~x~0 0), 6118#[L725-1, L793-2, L755-1](= ~x~0 0), 6151#[L725-1, L780, L793-2](= ~x~0 1), 6185#[L780, L793-2, L718](and (= ~x~0 1) (= ~flag1~0 1)), 9037#[L780, L736, L793-2](and (= ~x~0 1) (= ~flag1~0 1)), 9080#[L714-1, L780, L793-2](and (= ~x~0 1) (= ~flag1~0 1)), 9104#[L780, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1)), 9128#[L780-1, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1)), 9163#[L16, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1)), 9204#[L793-2, L16-2, L739](and (= ~x~0 0) (= ~flag1~0 1)), 9247#[thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1))] [2021-01-26 21:17:24,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 21:17:24,276 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:17:24,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:17:24,276 INFO L82 PathProgramCache]: Analyzing trace with hash -9795869, now seen corresponding path program 1 times [2021-01-26 21:17:24,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:17:24,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529864492] [2021-01-26 21:17:24,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:17:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:17:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 21:17:24,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529864492] [2021-01-26 21:17:24,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:17:24,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-26 21:17:24,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157481645] [2021-01-26 21:17:24,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-26 21:17:24,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:17:24,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-26 21:17:24,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-26 21:17:24,345 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:17:24,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 21:17:24,510 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,534 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,609 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,630 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 54 and size of Sequence is : 55[2021-01-26 21:17:24,704 INFO L164 SleepSetCegar]: Size of mCounterexample is: 55 [2021-01-26 21:17:24,705 INFO L165 SleepSetCegar]: [9261#[ULTIMATE.startENTRY]true, 9263#[L-1]true, 9265#[L-1-1]true, 9267#[L16]true, 9269#[L16-1]true, 9271#[L16-2]true, 9273#[L16-3]true, 9275#[L16-4]true, 9277#[L704]true, 9279#[L705](= ~flag2~0 0), 9281#[L706](= ~flag2~0 0), 9283#[L-1-2](and (= ~x~0 0) (= ~flag2~0 0)), 9285#[L-1-3](and (= ~x~0 0) (= ~flag2~0 0)), 9287#[L790](and (= ~x~0 0) (= ~flag2~0 0)), 9289#[L790-1](and (= ~x~0 0) (= ~flag2~0 0)), 9291#[L790-2](and (= ~x~0 0) (= ~flag2~0 0)), 9293#[L791](and (= ~x~0 0) (= ~flag2~0 0)), 9295#[L2](and (= ~x~0 0) (= ~flag2~0 0)), 9297#[L3](and (= ~x~0 0) (= ~flag2~0 0)), 9301#[L2-1](and (= ~x~0 0) (= ~flag2~0 0)), 9305#[L792](and (= ~x~0 0) (= ~flag2~0 0)), 9307#[thr1ENTRY, L792-1](and (= ~x~0 0) (= ~flag2~0 0)), 9309#[L792-1, L708](and (= ~x~0 0) (= ~flag2~0 0)), 9315#[L710, L792-1](and (= ~x~0 0) (= ~flag1~0 1) (= ~flag2~0 0)), 9321#[L710, L793](and (= ~x~0 0) (= ~flag1~0 1) (= ~flag2~0 0)), 11840#[L710, L793-1](and (= ~x~0 0) (= ~flag1~0 1) (= ~flag2~0 0)), 11851#[thr2ENTRY, L710, L793-2](and (= ~x~0 0) (= ~flag1~0 1) (= ~flag2~0 0)), 11873#[L710, L793-2, L749](and (= ~x~0 0) (= ~flag1~0 1) (= ~flag2~0 0)), 11893#[L710, L793-2, L751](and (= ~x~0 0) (= ~flag1~0 1)), 11917#[L777, L710, L793-2](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1)), 11961#[L710, L793-2, L756](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1)), 11985#[L710, L758, L793-2](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1)), 12018#[L710, L793-2, L760](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1)), 12042#[L736, L793-2, L760](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1)), 12218#[L736, L793-2, L762](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1) (= ~flag2~0 0)), 12226#[L769, L736, L793-2](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1) (= ~flag2~0 0)), 12242#[L736, L766-1, L793-2](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1) (= ~flag2~0 0)), 12248#[L736, L793-2, L759](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1)), 12254#[L715, L793-2, L759](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1)), 12787#[L793-2, L759, L717](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1)), 12829#[L793-2, L759, L719](and (= ~x~0 0) (= ~flag1~0 1) (= thr2Thread1of1ForFork1_~f1~0 1)), 12864#[L793-2, L759, L721](and (= ~x~0 0) (= thr2Thread1of1ForFork1_~f1~0 1)), 12901#[L777, L793-2, L721](= ~x~0 0), 12948#[L793-2, L755-1, L721](= ~x~0 0), 12987#[L780, L793-2, L721](= ~x~0 1), 13020#[L728, L780, L793-2](= ~x~0 1), 14072#[L725-1, L780, L793-2](= ~x~0 1), 14076#[L780, L793-2, L718](and (= ~x~0 1) (= ~flag1~0 1)), 14084#[L780, L736, L793-2](and (= ~x~0 1) (= ~flag1~0 1)), 14094#[L714-1, L780, L793-2](and (= ~x~0 1) (= ~flag1~0 1)), 14100#[L780, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1)), 14104#[L780-1, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1)), 14114#[L16, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1)), 14122#[L793-2, L16-2, L739](and (= ~x~0 0) (= ~flag1~0 1)), 14130#[thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1))] [2021-01-26 21:17:24,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-26 21:17:24,706 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:17:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:17:24,707 INFO L82 PathProgramCache]: Analyzing trace with hash -181646657, now seen corresponding path program 1 times [2021-01-26 21:17:24,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:17:24,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880423174] [2021-01-26 21:17:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:17:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:17:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-26 21:17:24,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880423174] [2021-01-26 21:17:24,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:17:24,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-26 21:17:24,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178827928] [2021-01-26 21:17:24,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-26 21:17:24,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:17:24,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-26 21:17:24,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-26 21:17:24,781 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:17:24,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 21:17:24,846 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,869 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,934 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,949 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:24,971 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,095 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,174 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,226 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,283 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 46 and size of Sequence is : 47[2021-01-26 21:17:25,305 INFO L164 SleepSetCegar]: Size of mCounterexample is: 47 [2021-01-26 21:17:25,305 INFO L165 SleepSetCegar]: [14145#[ULTIMATE.startENTRY]true, 14147#[L-1]true, 14149#[L-1-1]true, 14151#[L16]true, 14153#[L16-1]true, 14155#[L16-2]true, 14157#[L16-3]true, 14159#[L16-4]true, 14161#[L704]true, 14163#[L705](= ~flag2~0 0), 14165#[L706](and (not (= ~turn~0 1)) (= ~flag2~0 0)), 14167#[L-1-2](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14169#[L-1-3](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14171#[L790](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14173#[L790-1](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14175#[L790-2](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14177#[L791](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14179#[L2](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14181#[L3](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14185#[L2-1](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14189#[L792](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14191#[thr1ENTRY, L792-1](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14193#[L792-1, L708](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14199#[L710, L792-1](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~flag2~0 0)), 14203#[L710, L793](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~flag2~0 0)), 16179#[L710, L793-1](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~flag2~0 0)), 16181#[thr2ENTRY, L710, L793-2](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~flag2~0 0)), 16185#[L710, L793-2, L749](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~flag2~0 0)), 16187#[L710, L793-2, L751](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1))), 16191#[L736, L793-2, L751](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1))), 21587#[L715, L793-2, L751](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1))), 21852#[L793-2, L751, L717](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1))), 21880#[L793-2, L751, L719](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1))), 21908#[L793-2, L751, L721](and (= ~x~0 0) (not (= ~turn~0 1))), 21934#[L777, L793-2, L721](and (= ~x~0 0) (not (= ~turn~0 1))), 21940#[L793-2, L755-1, L721](and (= ~x~0 0) (not (= ~turn~0 1))), 21952#[L780, L793-2, L721](and (= ~x~0 1) (not (= ~turn~0 1))), 21958#[L728, L780, L793-2](and (= ~x~0 1) (not (= ~turn~0 1))), 22976#[L725-1, L780, L793-2](and (= ~x~0 1) (not (= ~turn~0 1))), 22980#[L780, L793-2, L718](and (= ~x~0 1) (= ~flag1~0 1) (not (= ~turn~0 1))), 22988#[L780, L736, L793-2](and (= ~x~0 1) (= ~flag1~0 1) (not (= ~turn~0 1))), 22998#[L714-1, L780, L793-2](and (= ~x~0 1) (= ~flag1~0 1) (not (= ~turn~0 1))), 23004#[L780, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1))), 23008#[L780-1, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1))), 23018#[L16, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1))), 23026#[L793-2, L16-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1))), 23034#[thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)))] [2021-01-26 21:17:25,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-26 21:17:25,306 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:17:25,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:17:25,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1418604213, now seen corresponding path program 2 times [2021-01-26 21:17:25,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:17:25,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847711104] [2021-01-26 21:17:25,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:17:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:17:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 21:17:25,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847711104] [2021-01-26 21:17:25,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:17:25,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-26 21:17:25,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264154359] [2021-01-26 21:17:25,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-26 21:17:25,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:17:25,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-26 21:17:25,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-26 21:17:25,399 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:17:25,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 21:17:25,479 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,496 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,510 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,657 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,746 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,816 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,867 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:25,952 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:26,027 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:26,069 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 38 and size of Sequence is : 39[2021-01-26 21:17:26,082 INFO L164 SleepSetCegar]: Size of mCounterexample is: 39 [2021-01-26 21:17:26,083 INFO L165 SleepSetCegar]: [23048#[ULTIMATE.startENTRY]true, 23050#[L-1]true, 23052#[L-1-1]true, 23054#[L16]true, 23056#[L16-1]true, 23058#[L16-2]true, 23060#[L16-3]true, 23062#[L16-4]true, 23064#[L704]true, 23066#[L705](= ~flag2~0 0), 23068#[L706](and (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23070#[L-1-2](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23072#[L-1-3](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23074#[L790](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23076#[L790-1](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23078#[L790-2](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23080#[L791](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23082#[L2](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23084#[L3](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23088#[L2-1](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23092#[L792](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23094#[thr1ENTRY, L792-1](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23096#[L792-1, L708](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 23100#[L793, L708](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 29780#[L793-1, L708](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 29795#[thr2ENTRY, L793-2, L708](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 29825#[L793-2, L749, L708](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0) (= ~flag2~0 0)), 29853#[L793-2, L751, L708](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0)), 29883#[L777, L793-2, L708](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0)), 29945#[L793-2, L755-1, L708](and (= ~x~0 0) (not (= ~turn~0 1)) (= ~turn~0 0)), 29989#[L780, L793-2, L708](and (= ~x~0 1) (not (= ~turn~0 1)) (= ~turn~0 0)), 30047#[L780, L710, L793-2](and (= ~x~0 1) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~turn~0 0)), 32324#[L780, L736, L793-2](and (= ~x~0 1) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~turn~0 0)), 32338#[L714-1, L780, L793-2](and (= ~x~0 1) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~turn~0 0)), 32344#[L780, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~turn~0 0)), 32348#[L780-1, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~turn~0 0)), 32358#[L16, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~turn~0 0)), 32366#[L793-2, L16-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~turn~0 0)), 32374#[thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, L793-2, L739](and (= ~x~0 0) (= ~flag1~0 1) (not (= ~turn~0 1)) (= ~turn~0 0))] [2021-01-26 21:17:26,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-26 21:17:26,083 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:17:26,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:17:26,084 INFO L82 PathProgramCache]: Analyzing trace with hash -192955291, now seen corresponding path program 1 times [2021-01-26 21:17:26,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:17:26,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698415573] [2021-01-26 21:17:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:17:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:17:26,162 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 21:17:26,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698415573] [2021-01-26 21:17:26,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:17:26,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-26 21:17:26,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990105768] [2021-01-26 21:17:26,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-26 21:17:26,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:17:26,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-26 21:17:26,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-26 21:17:26,166 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:17:26,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 21:17:26,342 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:26,415 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:26,507 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:26,582 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 21:17:26,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-26 21:17:26,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 09:17:26 BasicIcfg [2021-01-26 21:17:26,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 21:17:26,711 INFO L168 Benchmark]: Toolchain (without parser) took 5605.24 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.3 MB in the beginning and 293.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 47.1 MB. Max. memory is 16.0 GB. [2021-01-26 21:17:26,712 INFO L168 Benchmark]: CDTParser took 0.24 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 21:17:26,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.91 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 246.2 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-26 21:17:26,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.08 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 283.6 MB in the end (delta: -37.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-01-26 21:17:26,720 INFO L168 Benchmark]: Boogie Preprocessor took 61.77 ms. Allocated memory is still 302.0 MB. Free memory was 283.6 MB in the beginning and 282.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 21:17:26,720 INFO L168 Benchmark]: RCFGBuilder took 713.11 ms. Allocated memory is still 302.0 MB. Free memory was 282.5 MB in the beginning and 257.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-01-26 21:17:26,721 INFO L168 Benchmark]: TraceAbstraction took 3919.32 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 257.4 MB in the beginning and 293.6 MB in the end (delta: -36.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. [2021-01-26 21:17:26,732 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 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 784.91 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 246.2 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 94.08 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 283.6 MB in the end (delta: -37.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 61.77 ms. Allocated memory is still 302.0 MB. Free memory was 283.6 MB in the beginning and 282.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 713.11 ms. Allocated memory is still 302.0 MB. Free memory was 282.5 MB in the beginning and 257.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3919.32 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 257.4 MB in the beginning and 293.6 MB in the end (delta: -36.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 88 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 19026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 4/4 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...