/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-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 01:21:52,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 01:21:52,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 01:21:52,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 01:21:52,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 01:21:52,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 01:21:52,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 01:21:52,526 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-POR-DelaySleep-NoLbe.epf [2021-06-06 01:21:52,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 01:21:52,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 01:21:52,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 01:21:52,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 01:21:52,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 01:21:52,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 01:21:52,560 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 01:21:52,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 01:21:52,561 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 01:21:52,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 01:21:52,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 01:21:52,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 01:21:52,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 01:21:52,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 01:21:52,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 01:21:52,563 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 01:21:52,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 01:21:52,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 01:21:52,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 01:21:52,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 01:21:52,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 01:21:52,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 01:21:52,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 01:21:52,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 01:21:52,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 01:21:52,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 01:21:52,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 01:21:52,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 01:21:52,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 01:21:52,565 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 01:21:52,565 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 01:21:52,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 01:21:52,565 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 01:21:52,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 01:21:52,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 01:21:52,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 01:21:52,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 01:21:52,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 01:21:52,896 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 01:21:52,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2021-06-06 01:21:53,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6a2b77d/6d14802c246c42cfa0e43154b7d5bcf1/FLAG8f2d66ff8 [2021-06-06 01:21:53,560 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 01:21:53,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2021-06-06 01:21:53,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6a2b77d/6d14802c246c42cfa0e43154b7d5bcf1/FLAG8f2d66ff8 [2021-06-06 01:21:53,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6a2b77d/6d14802c246c42cfa0e43154b7d5bcf1 [2021-06-06 01:21:53,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 01:21:53,969 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 01:21:53,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 01:21:53,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 01:21:53,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 01:21:53,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:21:53" (1/1) ... [2021-06-06 01:21:53,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7d2453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:53, skipping insertion in model container [2021-06-06 01:21:53,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:21:53" (1/1) ... [2021-06-06 01:21:53,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 01:21:54,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 01:21:54,139 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-06 01:21:54,294 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/peterson.i[30997,31010] [2021-06-06 01:21:54,300 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/peterson.i[31682,31695] [2021-06-06 01:21:54,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 01:21:54,314 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 01:21:54,339 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-06 01:21:54,362 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/peterson.i[30997,31010] [2021-06-06 01:21:54,363 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/peterson.i[31682,31695] [2021-06-06 01:21:54,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 01:21:54,431 INFO L208 MainTranslator]: Completed translation [2021-06-06 01:21:54,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54 WrapperNode [2021-06-06 01:21:54,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 01:21:54,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 01:21:54,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 01:21:54,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 01:21:54,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (1/1) ... [2021-06-06 01:21:54,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (1/1) ... [2021-06-06 01:21:54,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 01:21:54,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 01:21:54,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 01:21:54,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 01:21:54,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (1/1) ... [2021-06-06 01:21:54,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (1/1) ... [2021-06-06 01:21:54,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (1/1) ... [2021-06-06 01:21:54,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (1/1) ... [2021-06-06 01:21:54,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (1/1) ... [2021-06-06 01:21:54,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (1/1) ... [2021-06-06 01:21:54,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (1/1) ... [2021-06-06 01:21:54,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 01:21:54,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 01:21:54,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 01:21:54,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 01:21:54,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (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 [2021-06-06 01:21:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-06 01:21:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-06 01:21:54,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-06 01:21:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-06 01:21:54,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-06 01:21:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 01:21:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 01:21:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 01:21:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 01:21:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 01:21:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 01:21:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 01:21:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 01:21:54,606 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 01:21:55,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 01:21:55,006 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 01:21:55,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:21:55 BoogieIcfgContainer [2021-06-06 01:21:55,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 01:21:55,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 01:21:55,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 01:21:55,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 01:21:55,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 01:21:53" (1/3) ... [2021-06-06 01:21:55,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db5345d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:21:55, skipping insertion in model container [2021-06-06 01:21:55,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:54" (2/3) ... [2021-06-06 01:21:55,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db5345d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:21:55, skipping insertion in model container [2021-06-06 01:21:55,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:21:55" (3/3) ... [2021-06-06 01:21:55,015 INFO L111 eAbstractionObserver]: Analyzing ICFG peterson.i [2021-06-06 01:21:55,020 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 01:21:55,020 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 01:21:55,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-06 01:21:55,021 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 01:21:55,057 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,057 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,057 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,057 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,058 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,058 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,058 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,058 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,058 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,058 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,060 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,060 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,060 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,060 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,063 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,063 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,084 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,084 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:55,101 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-06 01:21:55,122 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 01:21:55,173 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:55,173 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:55,173 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:55,173 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:55,174 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:55,174 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:55,174 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:55,174 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2======== [2021-06-06 01:21:55,436 INFO L301 ceAbstractionStarter]: Result for error location thr2 was SAFE (1/5) [2021-06-06 01:21:55,437 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 01:21:55,444 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:55,444 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:55,444 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:55,444 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:55,445 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:55,445 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:55,445 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:55,445 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-06 01:21:55,560 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (2/5) [2021-06-06 01:21:55,561 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-06 01:21:55,576 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:55,576 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:55,576 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:55,577 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:55,577 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:55,577 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:55,577 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:55,577 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-06-06 01:21:55,581 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:55,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:55,587 INFO L82 PathProgramCache]: Analyzing trace with hash -59055298, now seen corresponding path program 1 times Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 01:21:55,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:55,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028697144] [2021-06-06 01:21:55,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:55,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:55,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028697144] [2021-06-06 01:21:55,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028697144] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:55,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:55,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 01:21:55,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261644458] [2021-06-06 01:21:55,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 01:21:55,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:55,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 01:21:55,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 01:21:55,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:55,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:55,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 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) [2021-06-06 01:21:55,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:55,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 01:21:55,799 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:55,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:55,800 INFO L82 PathProgramCache]: Analyzing trace with hash -59025507, now seen corresponding path program 1 times [2021-06-06 01:21:55,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:55,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635857253] [2021-06-06 01:21:55,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:55,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:55,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635857253] [2021-06-06 01:21:55,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635857253] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:55,872 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:55,872 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 01:21:55,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535557184] [2021-06-06 01:21:55,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 01:21:55,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:55,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 01:21:55,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 01:21:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:55,877 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:55,877 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) [2021-06-06 01:21:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:55,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:55,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:55,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 01:21:55,997 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:55,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:55,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1422657810, now seen corresponding path program 1 times [2021-06-06 01:21:55,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:55,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579657268] [2021-06-06 01:21:55,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:56,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:56,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579657268] [2021-06-06 01:21:56,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579657268] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:56,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:56,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 01:21:56,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216473291] [2021-06-06 01:21:56,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 01:21:56,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:56,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 01:21:56,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 01:21:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,077 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:56,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 01:21:56,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:56,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 01:21:56,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 01:21:56,268 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:56,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:56,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1998336784, now seen corresponding path program 1 times [2021-06-06 01:21:56,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:56,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230791076] [2021-06-06 01:21:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:56,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:56,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230791076] [2021-06-06 01:21:56,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230791076] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:56,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:56,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 01:21:56,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72162373] [2021-06-06 01:21:56,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 01:21:56,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:56,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 01:21:56,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 01:21:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,365 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:56,366 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 01:21:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 01:21:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 01:21:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 01:21:56,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 01:21:56,608 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (3/5) [2021-06-06 01:21:56,609 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 01:21:56,614 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:56,614 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:56,614 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:56,614 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:56,614 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:56,614 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:56,614 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:56,614 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 01:21:56,763 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-06 01:21:56,764 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 01:21:56,768 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:56,768 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:56,768 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:56,769 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:56,769 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:56,769 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:56,769 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:56,769 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2Thread1of1ForFork1======== [2021-06-06 01:21:56,772 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:56,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:56,772 INFO L82 PathProgramCache]: Analyzing trace with hash 2131422540, now seen corresponding path program 1 times [2021-06-06 01:21:56,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:56,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279971181] [2021-06-06 01:21:56,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:56,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:56,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279971181] [2021-06-06 01:21:56,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279971181] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:56,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:56,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 01:21:56,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955035176] [2021-06-06 01:21:56,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 01:21:56,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:56,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 01:21:56,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 01:21:56,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:56,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 01:21:56,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 01:21:56,814 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:56,814 INFO L82 PathProgramCache]: Analyzing trace with hash -810205268, now seen corresponding path program 1 times [2021-06-06 01:21:56,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:56,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429166651] [2021-06-06 01:21:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:56,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:56,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:56,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429166651] [2021-06-06 01:21:56,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429166651] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:56,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:56,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 01:21:56,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264962375] [2021-06-06 01:21:56,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 01:21:56,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:56,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 01:21:56,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 01:21:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,871 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:56,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 01:21:56,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:56,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-06 01:21:56,883 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:56,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:56,884 INFO L82 PathProgramCache]: Analyzing trace with hash -390687926, now seen corresponding path program 1 times [2021-06-06 01:21:56,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:56,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678174197] [2021-06-06 01:21:56,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:56,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:56,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678174197] [2021-06-06 01:21:56,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678174197] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:56,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:56,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 01:21:56,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521325227] [2021-06-06 01:21:56,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 01:21:56,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:56,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 01:21:56,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 01:21:56,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:56,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-06-06 01:21:56,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:56,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:56,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-06 01:21:57,030 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:57,030 INFO L82 PathProgramCache]: Analyzing trace with hash -296180061, now seen corresponding path program 1 times [2021-06-06 01:21:57,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:57,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434323482] [2021-06-06 01:21:57,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:57,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:57,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434323482] [2021-06-06 01:21:57,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434323482] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:57,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:57,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 01:21:57,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317022659] [2021-06-06 01:21:57,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 01:21:57,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:57,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 01:21:57,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 01:21:57,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,098 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:57,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-06-06 01:21:57,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 01:21:57,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-06 01:21:57,254 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:57,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:57,255 INFO L82 PathProgramCache]: Analyzing trace with hash -736638253, now seen corresponding path program 1 times [2021-06-06 01:21:57,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:57,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842671692] [2021-06-06 01:21:57,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:57,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:57,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842671692] [2021-06-06 01:21:57,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842671692] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:57,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:57,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 01:21:57,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543423105] [2021-06-06 01:21:57,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 01:21:57,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:57,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 01:21:57,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 01:21:57,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:57,336 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2021-06-06 01:21:57,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 01:21:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:57,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:57,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 01:21:57,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 01:21:57,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-06 01:21:57,527 INFO L301 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (5/5) [2021-06-06 01:21:57,527 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 01:21:57,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 01:21:57 BasicIcfg [2021-06-06 01:21:57,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 01:21:57,531 INFO L168 Benchmark]: Toolchain (without parser) took 3561.46 ms. Allocated memory was 362.8 MB in the beginning and 436.2 MB in the end (delta: 73.4 MB). Free memory was 325.3 MB in the beginning and 253.4 MB in the end (delta: 71.9 MB). Peak memory consumption was 146.7 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:57,531 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 362.8 MB. Free memory is still 343.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 01:21:57,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.19 ms. Allocated memory is still 362.8 MB. Free memory was 325.1 MB in the beginning and 326.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:57,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.23 ms. Allocated memory is still 362.8 MB. Free memory was 326.3 MB in the beginning and 324.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:57,532 INFO L168 Benchmark]: Boogie Preprocessor took 39.48 ms. Allocated memory is still 362.8 MB. Free memory was 324.7 MB in the beginning and 322.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:57,532 INFO L168 Benchmark]: RCFGBuilder took 483.28 ms. Allocated memory is still 362.8 MB. Free memory was 322.2 MB in the beginning and 299.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:57,533 INFO L168 Benchmark]: TraceAbstraction took 2520.39 ms. Allocated memory was 362.8 MB in the beginning and 436.2 MB in the end (delta: 73.4 MB). Free memory was 299.1 MB in the beginning and 253.4 MB in the end (delta: 45.6 MB). Peak memory consumption was 122.2 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:57,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 362.8 MB. Free memory is still 343.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 461.19 ms. Allocated memory is still 362.8 MB. Free memory was 325.1 MB in the beginning and 326.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 52.23 ms. Allocated memory is still 362.8 MB. Free memory was 326.3 MB in the beginning and 324.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.48 ms. Allocated memory is still 362.8 MB. Free memory was 324.7 MB in the beginning and 322.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 483.28 ms. Allocated memory is still 362.8 MB. Free memory was 322.2 MB in the beginning and 299.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2520.39 ms. Allocated memory was 362.8 MB in the beginning and 436.2 MB in the end (delta: 73.4 MB). Free memory was 299.1 MB in the beginning and 253.4 MB in the end (delta: 45.6 MB). Peak memory consumption was 122.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3767, positive: 3072, positive conditional: 3072, positive unconditional: 0, negative: 695, negative conditional: 695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3137, positive: 3072, positive conditional: 3072, positive unconditional: 0, negative: 65, negative conditional: 65, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3137, positive: 3072, positive conditional: 0, positive unconditional: 3072, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 701, positive: 684, positive conditional: 0, positive unconditional: 684, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 701, positive: 682, positive conditional: 0, positive unconditional: 682, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3137, positive: 2388, positive conditional: 0, positive unconditional: 2388, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 701, unknown conditional: 0, unknown unconditional: 701] , Statistics on independence cache: Total cache size (in pairs): 701, Positive cache size: 684, Positive conditional cache size: 0, Positive unconditional cache size: 684, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 ], Maximal queried relation: 0, Independence queries for same thread: 630 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3767, positive: 3072, positive conditional: 3072, positive unconditional: 0, negative: 695, negative conditional: 695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3137, positive: 3072, positive conditional: 3072, positive unconditional: 0, negative: 65, negative conditional: 65, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3137, positive: 3072, positive conditional: 0, positive unconditional: 3072, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 701, positive: 684, positive conditional: 0, positive unconditional: 684, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 701, positive: 682, positive conditional: 0, positive unconditional: 682, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3137, positive: 2388, positive conditional: 0, positive unconditional: 2388, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 701, unknown conditional: 0, unknown unconditional: 701] , Statistics on independence cache: Total cache size (in pairs): 701, Positive cache size: 684, Positive conditional cache size: 0, Positive unconditional cache size: 684, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 ], Maximal queried relation: 0, Independence queries for same thread: 630 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6561, positive: 5448, positive conditional: 5448, positive unconditional: 0, negative: 1113, negative conditional: 1113, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5562, positive: 5448, positive conditional: 5448, positive unconditional: 0, negative: 114, negative conditional: 114, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5562, positive: 5448, positive conditional: 0, positive unconditional: 5448, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 668, positive: 649, positive conditional: 0, positive unconditional: 649, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 668, positive: 646, positive conditional: 0, positive unconditional: 646, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 64, negative conditional: 11, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5562, positive: 4799, positive conditional: 0, positive unconditional: 4799, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 668, unknown conditional: 0, unknown unconditional: 668] , Statistics on independence cache: Total cache size (in pairs): 676, Positive cache size: 649, Positive conditional cache size: 0, Positive unconditional cache size: 649, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, SemanticConditionEliminator.Independence Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 402, negative conditional: 36, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 402, negative conditional: 36, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 64, negative conditional: 11, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 394, negative conditional: 28, negative unconditional: 366, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 676, Positive cache size: 649, Positive conditional cache size: 0, Positive unconditional cache size: 649, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Eliminated conditions: 366, SemanticConditionEliminator.Independence Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 402, negative conditional: 36, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 402, negative conditional: 36, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 64, negative conditional: 11, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 394, negative conditional: 28, negative unconditional: 366, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 676, Positive cache size: 649, Positive conditional cache size: 0, Positive unconditional cache size: 649, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Eliminated conditions: 366, SemanticConditionEliminator.Independence Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 402, negative conditional: 36, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 402, negative conditional: 36, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 64, negative conditional: 11, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 394, negative conditional: 28, negative unconditional: 366, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 676, Positive cache size: 649, Positive conditional cache size: 0, Positive unconditional cache size: 649, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Eliminated conditions: 366, SemanticConditionEliminator.Independence Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 402, negative conditional: 36, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 402, negative conditional: 36, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 27, negative conditional: 8, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 64, negative conditional: 11, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 402, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 394, negative conditional: 28, negative unconditional: 366, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 676, Positive cache size: 649, Positive conditional cache size: 0, Positive unconditional cache size: 649, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Eliminated conditions: 366 ], Maximal queried relation: 4, Independence queries for same thread: 999 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3767, positive: 3072, positive conditional: 3072, positive unconditional: 0, negative: 695, negative conditional: 695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3137, positive: 3072, positive conditional: 3072, positive unconditional: 0, negative: 65, negative conditional: 65, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3137, positive: 3072, positive conditional: 0, positive unconditional: 3072, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 701, positive: 684, positive conditional: 0, positive unconditional: 684, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 701, positive: 682, positive conditional: 0, positive unconditional: 682, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3137, positive: 2388, positive conditional: 0, positive unconditional: 2388, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 701, unknown conditional: 0, unknown unconditional: 701] , Statistics on independence cache: Total cache size (in pairs): 701, Positive cache size: 684, Positive conditional cache size: 0, Positive unconditional cache size: 684, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 ], Maximal queried relation: 0, Independence queries for same thread: 630 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6517, positive: 5423, positive conditional: 5423, positive unconditional: 0, negative: 1094, negative conditional: 1094, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5541, positive: 5423, positive conditional: 5423, positive unconditional: 0, negative: 118, negative conditional: 118, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5541, positive: 5423, positive conditional: 0, positive unconditional: 5423, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 639, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 639, positive: 619, positive conditional: 0, positive unconditional: 619, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 62, negative conditional: 10, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5541, positive: 4802, positive conditional: 0, positive unconditional: 4802, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 621, Positive conditional cache size: 0, Positive unconditional cache size: 621, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, SemanticConditionEliminator.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 62, negative conditional: 10, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 32, negative unconditional: 486, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 621, Positive conditional cache size: 0, Positive unconditional cache size: 621, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 486, SemanticConditionEliminator.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 62, negative conditional: 10, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 32, negative unconditional: 486, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 621, Positive conditional cache size: 0, Positive unconditional cache size: 621, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 486, SemanticConditionEliminator.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 62, negative conditional: 10, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 32, negative unconditional: 486, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 621, Positive conditional cache size: 0, Positive unconditional cache size: 621, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 486, SemanticConditionEliminator.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 62, negative conditional: 10, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 32, negative unconditional: 486, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 621, Positive conditional cache size: 0, Positive unconditional cache size: 621, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 486, SemanticConditionEliminator.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 526, negative conditional: 40, negative unconditional: 486, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 62, negative conditional: 10, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 526, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 518, negative conditional: 32, negative unconditional: 486, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 621, Positive conditional cache size: 0, Positive unconditional cache size: 621, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 486 ], Maximal queried relation: 5, Independence queries for same thread: 976 - PositiveResult [Line: 753]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: 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 for errors in thread instance: thr2 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 292.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 240.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 121.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.7ms, PartialOrderReductionTime: 112.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1045.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 539.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.4ms SsaConstructionTime, 74.8ms SatisfiabilityAnalysisTime, 268.8ms InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1/1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 153.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 147.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 762.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 454.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.5ms SsaConstructionTime, 45.2ms SatisfiabilityAnalysisTime, 185.6ms InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 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...