/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-04 21:45:19,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-04 21:45:19,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-04 21:45:19,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-04 21:45:19,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-04 21:45:19,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-04 21:45:19,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-04 21:45:19,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-04 21:45:19,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-04 21:45:19,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-04 21:45:19,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-04 21:45:19,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-04 21:45:19,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-04 21:45:19,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-04 21:45:19,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-04 21:45:19,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-04 21:45:19,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-04 21:45:19,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-04 21:45:19,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-04 21:45:19,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-04 21:45:19,541 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-FA-NoLbe.epf [2021-06-04 21:45:19,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-04 21:45:19,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-04 21:45:19,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-04 21:45:19,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-04 21:45:19,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-04 21:45:19,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-04 21:45:19,575 INFO L138 SettingsManager]: * Use SBE=true [2021-06-04 21:45:19,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-04 21:45:19,575 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-04 21:45:19,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-04 21:45:19,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-04 21:45:19,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-04 21:45:19,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-04 21:45:19,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-04 21:45:19,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-04 21:45:19,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-04 21:45:19,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-04 21:45:19,577 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-04 21:45:19,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-04 21:45:19,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-04 21:45:19,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-04 21:45:19,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-04 21:45:19,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-04 21:45:19,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-04 21:45:19,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-04 21:45:19,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-04 21:45:19,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-04 21:45:19,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-04 21:45:19,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-04 21:45:19,579 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-04 21:45:19,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-04 21:45:19,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-04 21:45:19,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-04 21:45:19,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-04 21:45:19,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-04 21:45:19,927 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-04 21:45:19,927 INFO L275 PluginConnector]: CDTParser initialized [2021-06-04 21:45:19,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2021-06-04 21:45:19,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b2ed22e/8a96f8d6748643ceb92a5ef0f1894a34/FLAGc03bf05c4 [2021-06-04 21:45:20,460 INFO L306 CDTParser]: Found 1 translation units. [2021-06-04 21:45:20,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2021-06-04 21:45:20,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b2ed22e/8a96f8d6748643ceb92a5ef0f1894a34/FLAGc03bf05c4 [2021-06-04 21:45:20,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b2ed22e/8a96f8d6748643ceb92a5ef0f1894a34 [2021-06-04 21:45:20,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-04 21:45:20,496 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-04 21:45:20,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-04 21:45:20,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-04 21:45:20,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-04 21:45:20,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 09:45:20" (1/1) ... [2021-06-04 21:45:20,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1857e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:20, skipping insertion in model container [2021-06-04 21:45:20,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 09:45:20" (1/1) ... [2021-06-04 21:45:20,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-04 21:45:20,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-04 21:45:20,753 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-04 21:45:20,887 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-06-04 21:45:20,896 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-06-04 21:45:20,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-04 21:45:20,912 INFO L203 MainTranslator]: Completed pre-run [2021-06-04 21:45:20,931 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-04 21:45:20,951 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-06-04 21:45:20,959 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-06-04 21:45:20,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-04 21:45:21,034 INFO L208 MainTranslator]: Completed translation [2021-06-04 21:45:21,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21 WrapperNode [2021-06-04 21:45:21,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-04 21:45:21,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-04 21:45:21,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-04 21:45:21,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-04 21:45:21,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (1/1) ... [2021-06-04 21:45:21,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (1/1) ... [2021-06-04 21:45:21,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-04 21:45:21,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-04 21:45:21,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-04 21:45:21,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-04 21:45:21,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (1/1) ... [2021-06-04 21:45:21,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (1/1) ... [2021-06-04 21:45:21,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (1/1) ... [2021-06-04 21:45:21,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (1/1) ... [2021-06-04 21:45:21,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (1/1) ... [2021-06-04 21:45:21,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (1/1) ... [2021-06-04 21:45:21,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (1/1) ... [2021-06-04 21:45:21,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-04 21:45:21,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-04 21:45:21,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-04 21:45:21,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-04 21:45:21,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (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 [2021-06-04 21:45:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-04 21:45:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-04 21:45:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-04 21:45:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-04 21:45:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-04 21:45:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-04 21:45:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-04 21:45:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-04 21:45:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-04 21:45:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-04 21:45:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-04 21:45:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-04 21:45:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-04 21:45:21,183 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-04 21:45:21,650 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-04 21:45:21,651 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-06-04 21:45:21,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 09:45:21 BoogieIcfgContainer [2021-06-04 21:45:21,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-04 21:45:21,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-04 21:45:21,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-04 21:45:21,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-04 21:45:21,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 09:45:20" (1/3) ... [2021-06-04 21:45:21,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bee32c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 09:45:21, skipping insertion in model container [2021-06-04 21:45:21,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:45:21" (2/3) ... [2021-06-04 21:45:21,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bee32c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 09:45:21, skipping insertion in model container [2021-06-04 21:45:21,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 09:45:21" (3/3) ... [2021-06-04 21:45:21,659 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.i [2021-06-04 21:45:21,663 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-04 21:45:21,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-04 21:45:21,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-04 21:45:21,664 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-04 21:45:21,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,697 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,700 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,700 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,700 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,703 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,703 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,703 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,703 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,712 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,712 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,712 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,725 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,725 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,725 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,725 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,725 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:45:21,737 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-04 21:45:21,758 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-04 21:45:21,781 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-04 21:45:21,781 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-04 21:45:21,781 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-04 21:45:21,782 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-04 21:45:21,782 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-04 21:45:21,782 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-04 21:45:21,782 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-04 21:45:21,782 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-04 21:45:21,794 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 131 transitions, 284 flow [2021-06-04 21:45:21,958 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4509 states, 4505 states have (on average 3.331853496115427) internal successors, (15010), 4508 states have internal predecessors, (15010), 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) [2021-06-04 21:45:21,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 4509 states, 4505 states have (on average 3.331853496115427) internal successors, (15010), 4508 states have internal predecessors, (15010), 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) [2021-06-04 21:45:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-06-04 21:45:21,980 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:45:21,980 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:45:21,981 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-04 21:45:21,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:45:21,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1915636410, now seen corresponding path program 1 times [2021-06-04 21:45:21,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:45:21,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048872957] [2021-06-04 21:45:21,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:45:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:45:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:45:22,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:45:22,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048872957] [2021-06-04 21:45:22,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048872957] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:45:22,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:45:22,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-04 21:45:22,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523381653] [2021-06-04 21:45:22,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-04 21:45:22,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:45:22,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-04 21:45:22,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-04 21:45:22,206 INFO L87 Difference]: Start difference. First operand has 4509 states, 4505 states have (on average 3.331853496115427) internal successors, (15010), 4508 states have internal predecessors, (15010), 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) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-06-04 21:45:22,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:45:22,298 INFO L93 Difference]: Finished difference Result 4509 states and 13402 transitions. [2021-06-04 21:45:22,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-04 21:45:22,300 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) Word has length 25 [2021-06-04 21:45:22,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:45:22,348 INFO L225 Difference]: With dead ends: 4509 [2021-06-04 21:45:22,348 INFO L226 Difference]: Without dead ends: 4370 [2021-06-04 21:45:22,349 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-04 21:45:22,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4370 states. [2021-06-04 21:45:22,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4370 to 4370. [2021-06-04 21:45:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4370 states, 4367 states have (on average 2.9899244332493704) internal successors, (13057), 4369 states have internal predecessors, (13057), 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) [2021-06-04 21:45:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4370 states to 4370 states and 13057 transitions. [2021-06-04 21:45:22,595 INFO L78 Accepts]: Start accepts. Automaton has 4370 states and 13057 transitions. Word has length 25 [2021-06-04 21:45:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:45:22,596 INFO L482 AbstractCegarLoop]: Abstraction has 4370 states and 13057 transitions. [2021-06-04 21:45:22,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-06-04 21:45:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 4370 states and 13057 transitions. [2021-06-04 21:45:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-04 21:45:22,603 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:45:22,603 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:45:22,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-04 21:45:22,604 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-04 21:45:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:45:22,606 INFO L82 PathProgramCache]: Analyzing trace with hash -977585031, now seen corresponding path program 1 times [2021-06-04 21:45:22,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:45:22,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084929487] [2021-06-04 21:45:22,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:45:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:45:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:45:22,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:45:22,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084929487] [2021-06-04 21:45:22,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084929487] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:45:22,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:45:22,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-04 21:45:22,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281595179] [2021-06-04 21:45:22,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-04 21:45:22,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:45:22,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-04 21:45:22,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:45:22,689 INFO L87 Difference]: Start difference. First operand 4370 states and 13057 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-06-04 21:45:22,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:45:22,740 INFO L93 Difference]: Finished difference Result 4270 states and 12668 transitions. [2021-06-04 21:45:22,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-04 21:45:22,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2021-06-04 21:45:22,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:45:22,760 INFO L225 Difference]: With dead ends: 4270 [2021-06-04 21:45:22,760 INFO L226 Difference]: Without dead ends: 3695 [2021-06-04 21:45:22,761 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:45:22,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3695 states. [2021-06-04 21:45:22,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3695 to 3626. [2021-06-04 21:45:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3626 states, 3623 states have (on average 3.004140215291195) internal successors, (10884), 3625 states have internal predecessors, (10884), 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) [2021-06-04 21:45:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3626 states and 10884 transitions. [2021-06-04 21:45:22,948 INFO L78 Accepts]: Start accepts. Automaton has 3626 states and 10884 transitions. Word has length 33 [2021-06-04 21:45:22,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:45:22,948 INFO L482 AbstractCegarLoop]: Abstraction has 3626 states and 10884 transitions. [2021-06-04 21:45:22,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-06-04 21:45:22,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states and 10884 transitions. [2021-06-04 21:45:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-06-04 21:45:22,952 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:45:22,952 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:45:22,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-04 21:45:22,953 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-04 21:45:22,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:45:22,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1653746266, now seen corresponding path program 1 times [2021-06-04 21:45:22,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:45:22,956 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561034026] [2021-06-04 21:45:22,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:45:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:45:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:45:23,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:45:23,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561034026] [2021-06-04 21:45:23,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561034026] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:45:23,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:45:23,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-04 21:45:23,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839758983] [2021-06-04 21:45:23,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-04 21:45:23,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:45:23,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-04 21:45:23,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:45:23,009 INFO L87 Difference]: Start difference. First operand 3626 states and 10884 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-06-04 21:45:23,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:45:23,044 INFO L93 Difference]: Finished difference Result 3433 states and 10272 transitions. [2021-06-04 21:45:23,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-04 21:45:23,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) Word has length 39 [2021-06-04 21:45:23,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:45:23,060 INFO L225 Difference]: With dead ends: 3433 [2021-06-04 21:45:23,060 INFO L226 Difference]: Without dead ends: 2828 [2021-06-04 21:45:23,061 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:45:23,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2021-06-04 21:45:23,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2021-06-04 21:45:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2826 states have (on average 3.034677990092003) internal successors, (8576), 2827 states have internal predecessors, (8576), 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) [2021-06-04 21:45:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 8576 transitions. [2021-06-04 21:45:23,147 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 8576 transitions. Word has length 39 [2021-06-04 21:45:23,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:45:23,148 INFO L482 AbstractCegarLoop]: Abstraction has 2828 states and 8576 transitions. [2021-06-04 21:45:23,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-06-04 21:45:23,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 8576 transitions. [2021-06-04 21:45:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-04 21:45:23,156 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:45:23,157 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:45:23,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-04 21:45:23,157 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-04 21:45:23,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:45:23,158 INFO L82 PathProgramCache]: Analyzing trace with hash 300629937, now seen corresponding path program 1 times [2021-06-04 21:45:23,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:45:23,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504390746] [2021-06-04 21:45:23,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:45:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:45:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:45:23,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:45:23,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504390746] [2021-06-04 21:45:23,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504390746] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:45:23,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:45:23,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-04 21:45:23,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163439850] [2021-06-04 21:45:23,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-04 21:45:23,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:45:23,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-04 21:45:23,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-04 21:45:23,286 INFO L87 Difference]: Start difference. First operand 2828 states and 8576 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:45:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:45:23,449 INFO L93 Difference]: Finished difference Result 5896 states and 18121 transitions. [2021-06-04 21:45:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-04 21:45:23,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-06-04 21:45:23,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:45:23,467 INFO L225 Difference]: With dead ends: 5896 [2021-06-04 21:45:23,468 INFO L226 Difference]: Without dead ends: 3412 [2021-06-04 21:45:23,468 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-04 21:45:23,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2021-06-04 21:45:23,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 3092. [2021-06-04 21:45:23,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 3090 states have (on average 3.005177993527508) internal successors, (9286), 3091 states have internal predecessors, (9286), 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) [2021-06-04 21:45:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 9286 transitions. [2021-06-04 21:45:23,570 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 9286 transitions. Word has length 50 [2021-06-04 21:45:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:45:23,570 INFO L482 AbstractCegarLoop]: Abstraction has 3092 states and 9286 transitions. [2021-06-04 21:45:23,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:45:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 9286 transitions. [2021-06-04 21:45:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-04 21:45:23,575 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:45:23,575 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:45:23,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-04 21:45:23,575 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-04 21:45:23,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:45:23,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1631964529, now seen corresponding path program 2 times [2021-06-04 21:45:23,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:45:23,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367162047] [2021-06-04 21:45:23,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:45:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:45:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:45:23,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:45:23,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367162047] [2021-06-04 21:45:23,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367162047] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:45:23,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:45:23,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-04 21:45:23,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209515284] [2021-06-04 21:45:23,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-04 21:45:23,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:45:23,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-04 21:45:23,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-04 21:45:23,617 INFO L87 Difference]: Start difference. First operand 3092 states and 9286 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:45:23,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:45:23,700 INFO L93 Difference]: Finished difference Result 8806 states and 26659 transitions. [2021-06-04 21:45:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-04 21:45:23,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-06-04 21:45:23,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:45:23,750 INFO L225 Difference]: With dead ends: 8806 [2021-06-04 21:45:23,750 INFO L226 Difference]: Without dead ends: 8806 [2021-06-04 21:45:23,754 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-04 21:45:23,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8806 states. [2021-06-04 21:45:23,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8806 to 3440. [2021-06-04 21:45:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3440 states, 3438 states have (on average 3.0072716695753345) internal successors, (10339), 3439 states have internal predecessors, (10339), 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) [2021-06-04 21:45:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 3440 states and 10339 transitions. [2021-06-04 21:45:23,944 INFO L78 Accepts]: Start accepts. Automaton has 3440 states and 10339 transitions. Word has length 50 [2021-06-04 21:45:23,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:45:23,944 INFO L482 AbstractCegarLoop]: Abstraction has 3440 states and 10339 transitions. [2021-06-04 21:45:23,945 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:45:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 3440 states and 10339 transitions. [2021-06-04 21:45:23,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-04 21:45:23,956 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:45:23,956 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:45:23,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-04 21:45:23,956 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-04 21:45:23,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:45:23,957 INFO L82 PathProgramCache]: Analyzing trace with hash 519178271, now seen corresponding path program 3 times [2021-06-04 21:45:23,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:45:23,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461245649] [2021-06-04 21:45:23,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:45:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:45:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:45:24,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:45:24,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461245649] [2021-06-04 21:45:24,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461245649] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:45:24,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:45:24,001 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-04 21:45:24,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585632562] [2021-06-04 21:45:24,001 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-04 21:45:24,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:45:24,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-04 21:45:24,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-04 21:45:24,002 INFO L87 Difference]: Start difference. First operand 3440 states and 10339 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:45:24,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:45:24,066 INFO L93 Difference]: Finished difference Result 8264 states and 24682 transitions. [2021-06-04 21:45:24,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-04 21:45:24,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-06-04 21:45:24,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:45:24,092 INFO L225 Difference]: With dead ends: 8264 [2021-06-04 21:45:24,092 INFO L226 Difference]: Without dead ends: 7988 [2021-06-04 21:45:24,093 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-04 21:45:24,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7988 states. [2021-06-04 21:45:24,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7988 to 3756. [2021-06-04 21:45:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3756 states, 3754 states have (on average 3.003729355354289) internal successors, (11276), 3755 states have internal predecessors, (11276), 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) [2021-06-04 21:45:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 3756 states and 11276 transitions. [2021-06-04 21:45:24,244 INFO L78 Accepts]: Start accepts. Automaton has 3756 states and 11276 transitions. Word has length 50 [2021-06-04 21:45:24,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:45:24,244 INFO L482 AbstractCegarLoop]: Abstraction has 3756 states and 11276 transitions. [2021-06-04 21:45:24,245 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:45:24,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3756 states and 11276 transitions. [2021-06-04 21:45:24,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-04 21:45:24,251 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:45:24,251 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:45:24,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-04 21:45:24,252 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-04 21:45:24,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:45:24,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2031652929, now seen corresponding path program 1 times [2021-06-04 21:45:24,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:45:24,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263991705] [2021-06-04 21:45:24,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:45:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:45:24,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:45:24,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:45:24,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263991705] [2021-06-04 21:45:24,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263991705] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:45:24,308 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:45:24,308 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-04 21:45:24,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833221006] [2021-06-04 21:45:24,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-04 21:45:24,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:45:24,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-04 21:45:24,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-04 21:45:24,310 INFO L87 Difference]: Start difference. First operand 3756 states and 11276 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:45:24,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:45:24,405 INFO L93 Difference]: Finished difference Result 5592 states and 16576 transitions. [2021-06-04 21:45:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-04 21:45:24,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-06-04 21:45:24,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:45:24,413 INFO L225 Difference]: With dead ends: 5592 [2021-06-04 21:45:24,413 INFO L226 Difference]: Without dead ends: 2442 [2021-06-04 21:45:24,414 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-04 21:45:24,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2021-06-04 21:45:24,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2206. [2021-06-04 21:45:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 2204 states have (on average 2.7132486388384756) internal successors, (5980), 2205 states have internal predecessors, (5980), 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) [2021-06-04 21:45:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 5980 transitions. [2021-06-04 21:45:24,517 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 5980 transitions. Word has length 50 [2021-06-04 21:45:24,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:45:24,517 INFO L482 AbstractCegarLoop]: Abstraction has 2206 states and 5980 transitions. [2021-06-04 21:45:24,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:45:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 5980 transitions. [2021-06-04 21:45:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-04 21:45:24,521 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:45:24,521 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:45:24,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-04 21:45:24,522 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-04 21:45:24,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:45:24,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1737423522, now seen corresponding path program 1 times [2021-06-04 21:45:24,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:45:24,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715954530] [2021-06-04 21:45:24,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:45:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:45:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:45:24,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:45:24,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715954530] [2021-06-04 21:45:24,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715954530] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:45:24,552 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:45:24,552 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-04 21:45:24,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813815628] [2021-06-04 21:45:24,553 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-04 21:45:24,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:45:24,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-04 21:45:24,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-04 21:45:24,554 INFO L87 Difference]: Start difference. First operand 2206 states and 5980 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-06-04 21:45:24,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:45:24,582 INFO L93 Difference]: Finished difference Result 2087 states and 5483 transitions. [2021-06-04 21:45:24,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-04 21:45:24,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) Word has length 55 [2021-06-04 21:45:24,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:45:24,586 INFO L225 Difference]: With dead ends: 2087 [2021-06-04 21:45:24,586 INFO L226 Difference]: Without dead ends: 1895 [2021-06-04 21:45:24,587 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-04 21:45:24,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2021-06-04 21:45:24,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1758. [2021-06-04 21:45:24,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1758 states, 1756 states have (on average 2.6697038724373576) internal successors, (4688), 1757 states have internal predecessors, (4688), 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) [2021-06-04 21:45:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 4688 transitions. [2021-06-04 21:45:24,623 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 4688 transitions. Word has length 55 [2021-06-04 21:45:24,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:45:24,624 INFO L482 AbstractCegarLoop]: Abstraction has 1758 states and 4688 transitions. [2021-06-04 21:45:24,624 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-06-04 21:45:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 4688 transitions. [2021-06-04 21:45:24,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-04 21:45:24,627 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:45:24,627 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:45:24,627 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-04 21:45:24,627 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-04 21:45:24,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:45:24,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1749463747, now seen corresponding path program 1 times [2021-06-04 21:45:24,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:45:24,628 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040239812] [2021-06-04 21:45:24,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:45:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:45:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:45:24,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:45:24,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040239812] [2021-06-04 21:45:24,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040239812] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:45:24,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:45:24,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-04 21:45:24,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747480681] [2021-06-04 21:45:24,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-04 21:45:24,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:45:24,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-04 21:45:24,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-04 21:45:24,680 INFO L87 Difference]: Start difference. First operand 1758 states and 4688 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-06-04 21:45:24,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:45:24,697 INFO L93 Difference]: Finished difference Result 928 states and 2509 transitions. [2021-06-04 21:45:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-04 21:45:24,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) Word has length 55 [2021-06-04 21:45:24,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:45:24,700 INFO L225 Difference]: With dead ends: 928 [2021-06-04 21:45:24,701 INFO L226 Difference]: Without dead ends: 0 [2021-06-04 21:45:24,701 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-04 21:45:24,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-04 21:45:24,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-04 21:45:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-06-04 21:45:24,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-04 21:45:24,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-06-04 21:45:24,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:45:24,702 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-04 21:45:24,703 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-06-04 21:45:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-04 21:45:24,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-04 21:45:24,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-04 21:45:24,705 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-04 21:45:24,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 09:45:24 BasicIcfg [2021-06-04 21:45:24,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-04 21:45:24,709 INFO L168 Benchmark]: Toolchain (without parser) took 4212.29 ms. Allocated memory was 333.4 MB in the beginning and 717.2 MB in the end (delta: 383.8 MB). Free memory was 296.3 MB in the beginning and 549.1 MB in the end (delta: -252.8 MB). Peak memory consumption was 131.1 MB. Max. memory is 16.0 GB. [2021-06-04 21:45:24,709 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 333.4 MB. Free memory is still 314.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-04 21:45:24,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.68 ms. Allocated memory is still 333.4 MB. Free memory was 296.1 MB in the beginning and 294.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.0 GB. [2021-06-04 21:45:24,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.71 ms. Allocated memory is still 333.4 MB. Free memory was 294.9 MB in the beginning and 292.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-04 21:45:24,711 INFO L168 Benchmark]: Boogie Preprocessor took 21.55 ms. Allocated memory is still 333.4 MB. Free memory was 292.7 MB in the beginning and 290.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-04 21:45:24,712 INFO L168 Benchmark]: RCFGBuilder took 542.59 ms. Allocated memory is still 333.4 MB. Free memory was 290.6 MB in the beginning and 262.3 MB in the end (delta: 28.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-06-04 21:45:24,713 INFO L168 Benchmark]: TraceAbstraction took 3053.63 ms. Allocated memory was 333.4 MB in the beginning and 717.2 MB in the end (delta: 383.8 MB). Free memory was 262.3 MB in the beginning and 549.1 MB in the end (delta: -286.8 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.0 GB. [2021-06-04 21:45:24,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 333.4 MB. Free memory is still 314.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 534.68 ms. Allocated memory is still 333.4 MB. Free memory was 296.1 MB in the beginning and 294.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.71 ms. Allocated memory is still 333.4 MB. Free memory was 294.9 MB in the beginning and 292.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.55 ms. Allocated memory is still 333.4 MB. Free memory was 292.7 MB in the beginning and 290.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 542.59 ms. Allocated memory is still 333.4 MB. Free memory was 290.6 MB in the beginning and 262.3 MB in the end (delta: 28.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3053.63 ms. Allocated memory was 333.4 MB in the beginning and 717.2 MB in the end (delta: 383.8 MB). Free memory was 262.3 MB in the beginning and 549.1 MB in the end (delta: -286.8 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 764]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 834]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 172 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2924.1ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 66.8ms, AutomataDifference: 861.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 176.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1378 SDtfs, 826 SDslu, 1515 SDs, 0 SdLazy, 219 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 190.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 81.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4509occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1092.0ms AutomataMinimizationTime, 9 MinimizatonAttempts, 10360 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 31.8ms SsaConstructionTime, 138.6ms SatisfiabilityAnalysisTime, 336.1ms InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...