/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 03:08:07,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 03:08:07,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 03:08:07,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 03:08:07,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 03:08:07,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 03:08:07,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 03:08:07,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 03:08:07,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 03:08:07,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 03:08:07,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 03:08:07,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 03:08:07,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 03:08:07,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 03:08:07,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 03:08:07,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 03:08:07,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 03:08:07,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 03:08:07,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 03:08:07,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 03:08:07,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 03:08:07,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 03:08:07,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 03:08:07,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 03:08:07,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-05 03:08:07,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-05 03:08:07,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-05 03:08:07,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-05 03:08:07,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-05 03:08:07,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-05 03:08:07,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 03:08:07,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 03:08:07,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 03:08:07,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 03:08:07,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 03:08:07,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 03:08:07,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 03:08:07,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 03:08:07,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 03:08:07,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 03:08:07,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 03:08:07,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-05 03:08:07,850 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 03:08:07,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 03:08:07,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 03:08:07,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 03:08:07,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 03:08:07,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 03:08:07,852 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 03:08:07,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 03:08:07,852 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 03:08:07,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 03:08:07,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 03:08:07,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 03:08:07,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 03:08:07,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 03:08:07,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 03:08:07,853 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 03:08:07,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 03:08:07,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 03:08:07,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 03:08:07,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 03:08:07,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 03:08:07,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 03:08:07,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 03:08:07,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 03:08:07,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 03:08:07,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 03:08:07,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 03:08:07,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 03:08:07,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 03:08:07,855 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 03:08:07,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 03:08:07,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 03:08:08,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 03:08:08,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 03:08:08,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 03:08:08,201 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 03:08:08,201 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 03:08:08,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c [2021-06-05 03:08:08,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b0d6f37/93fcf30206804c15a5fe96e735c53ed1/FLAG16a8ce550 [2021-06-05 03:08:08,748 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 03:08:08,748 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c [2021-06-05 03:08:08,750 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 03:08:08,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b0d6f37/93fcf30206804c15a5fe96e735c53ed1/FLAG16a8ce550 [2021-06-05 03:08:09,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b0d6f37/93fcf30206804c15a5fe96e735c53ed1 [2021-06-05 03:08:09,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 03:08:09,241 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 03:08:09,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 03:08:09,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 03:08:09,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 03:08:09,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661f4fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09, skipping insertion in model container [2021-06-05 03:08:09,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 03:08:09,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 03:08:09,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 03:08:09,445 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 03:08:09,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 03:08:09,486 INFO L208 MainTranslator]: Completed translation [2021-06-05 03:08:09,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09 WrapperNode [2021-06-05 03:08:09,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 03:08:09,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 03:08:09,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 03:08:09,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 03:08:09,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 03:08:09,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 03:08:09,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 03:08:09,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 03:08:09,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (1/1) ... [2021-06-05 03:08:09,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 03:08:09,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 03:08:09,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 03:08:09,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 03:08:09,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (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 [2021-06-05 03:08:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 03:08:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-06-05 03:08:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-06-05 03:08:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-05 03:08:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-05 03:08:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 03:08:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 03:08:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 03:08:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 03:08:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 03:08:09,581 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 03:08:09,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 03:08:09,817 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-05 03:08:09,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 03:08:09 BoogieIcfgContainer [2021-06-05 03:08:09,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 03:08:09,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 03:08:09,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 03:08:09,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 03:08:09,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 03:08:09" (1/3) ... [2021-06-05 03:08:09,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2595f156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 03:08:09, skipping insertion in model container [2021-06-05 03:08:09,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:08:09" (2/3) ... [2021-06-05 03:08:09,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2595f156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 03:08:09, skipping insertion in model container [2021-06-05 03:08:09,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 03:08:09" (3/3) ... [2021-06-05 03:08:09,824 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadJoinCorrectThreadId.c [2021-06-05 03:08:09,828 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 03:08:09,828 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 03:08:09,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 03:08:09,829 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 03:08:09,850 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,850 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,850 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,850 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,850 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,851 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,851 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,851 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,851 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,851 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,852 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,852 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,852 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,852 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,852 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,853 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,853 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,853 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,853 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,853 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,853 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,854 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,854 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,854 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,854 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,854 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,854 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,855 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,855 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,855 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,855 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,856 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,856 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,856 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,856 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,856 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,856 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,857 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,857 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,857 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,857 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,857 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,858 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,858 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,859 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,859 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,859 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,859 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,859 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,860 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,860 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,861 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,862 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,862 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,862 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,866 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,866 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,867 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,867 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,867 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,867 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,867 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,868 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,868 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,870 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,870 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,870 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,871 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:08:09,910 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-06-05 03:08:09,933 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 03:08:09,958 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 03:08:09,959 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 03:08:09,959 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 03:08:09,959 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 03:08:09,960 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 03:08:09,960 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 03:08:09,960 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 03:08:09,960 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 03:08:09,975 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 56 transitions, 140 flow [2021-06-05 03:08:10,001 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 177 states, 173 states have (on average 1.9595375722543353) internal successors, (339), 176 states have internal predecessors, (339), 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) [2021-06-05 03:08:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 173 states have (on average 1.9595375722543353) internal successors, (339), 176 states have internal predecessors, (339), 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) [2021-06-05 03:08:10,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-06-05 03:08:10,014 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 03:08:10,015 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 03:08:10,015 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread0Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread0Thread1of1ForFork1Err0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 03:08:10,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 03:08:10,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1896190628, now seen corresponding path program 1 times [2021-06-05 03:08:10,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 03:08:10,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137705177] [2021-06-05 03:08:10,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 03:08:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 03:08:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 03:08:10,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 03:08:10,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137705177] [2021-06-05 03:08:10,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137705177] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 03:08:10,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 03:08:10,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 03:08:10,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354569777] [2021-06-05 03:08:10,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 03:08:10,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 03:08:10,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 03:08:10,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-05 03:08:10,661 INFO L87 Difference]: Start difference. First operand has 177 states, 173 states have (on average 1.9595375722543353) internal successors, (339), 176 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2021-06-05 03:08:10,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 03:08:10,982 INFO L93 Difference]: Finished difference Result 204 states and 371 transitions. [2021-06-05 03:08:10,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 03:08:10,984 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-06-05 03:08:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 03:08:10,996 INFO L225 Difference]: With dead ends: 204 [2021-06-05 03:08:10,996 INFO L226 Difference]: Without dead ends: 174 [2021-06-05 03:08:10,998 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 365.0ms TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-05 03:08:11,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-06-05 03:08:11,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 166. [2021-06-05 03:08:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 164 states have (on average 1.920731707317073) internal successors, (315), 165 states have internal predecessors, (315), 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) [2021-06-05 03:08:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 315 transitions. [2021-06-05 03:08:11,037 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 315 transitions. Word has length 27 [2021-06-05 03:08:11,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 03:08:11,038 INFO L482 AbstractCegarLoop]: Abstraction has 166 states and 315 transitions. [2021-06-05 03:08:11,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2021-06-05 03:08:11,038 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 315 transitions. [2021-06-05 03:08:11,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-06-05 03:08:11,040 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 03:08:11,040 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 03:08:11,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 03:08:11,040 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thread0Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread0Thread1of1ForFork1Err0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 03:08:11,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 03:08:11,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1239561768, now seen corresponding path program 2 times [2021-06-05 03:08:11,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 03:08:11,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339072192] [2021-06-05 03:08:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 03:08:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 03:08:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 03:08:11,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 03:08:11,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339072192] [2021-06-05 03:08:11,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339072192] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 03:08:11,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 03:08:11,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 03:08:11,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295826805] [2021-06-05 03:08:11,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 03:08:11,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 03:08:11,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 03:08:11,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-06-05 03:08:11,328 INFO L87 Difference]: Start difference. First operand 166 states and 315 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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) [2021-06-05 03:08:11,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 03:08:11,763 INFO L93 Difference]: Finished difference Result 190 states and 349 transitions. [2021-06-05 03:08:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 03:08:11,763 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-06-05 03:08:11,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 03:08:11,767 INFO L225 Difference]: With dead ends: 190 [2021-06-05 03:08:11,768 INFO L226 Difference]: Without dead ends: 190 [2021-06-05 03:08:11,768 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 388.4ms TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2021-06-05 03:08:11,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-06-05 03:08:11,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 166. [2021-06-05 03:08:11,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 164 states have (on average 1.920731707317073) internal successors, (315), 165 states have internal predecessors, (315), 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) [2021-06-05 03:08:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 315 transitions. [2021-06-05 03:08:11,785 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 315 transitions. Word has length 27 [2021-06-05 03:08:11,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 03:08:11,785 INFO L482 AbstractCegarLoop]: Abstraction has 166 states and 315 transitions. [2021-06-05 03:08:11,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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) [2021-06-05 03:08:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 315 transitions. [2021-06-05 03:08:11,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-06-05 03:08:11,786 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 03:08:11,787 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 03:08:11,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 03:08:11,787 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thread0Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread0Thread1of1ForFork1Err0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 03:08:11,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 03:08:11,787 INFO L82 PathProgramCache]: Analyzing trace with hash 85881112, now seen corresponding path program 3 times [2021-06-05 03:08:11,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 03:08:11,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002487758] [2021-06-05 03:08:11,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 03:08:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 03:08:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 03:08:12,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 03:08:12,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002487758] [2021-06-05 03:08:12,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002487758] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 03:08:12,131 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 03:08:12,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 03:08:12,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576789683] [2021-06-05 03:08:12,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 03:08:12,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 03:08:12,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 03:08:12,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-06-05 03:08:12,133 INFO L87 Difference]: Start difference. First operand 166 states and 315 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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) [2021-06-05 03:08:12,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 03:08:12,565 INFO L93 Difference]: Finished difference Result 166 states and 305 transitions. [2021-06-05 03:08:12,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 03:08:12,565 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-06-05 03:08:12,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 03:08:12,566 INFO L225 Difference]: With dead ends: 166 [2021-06-05 03:08:12,566 INFO L226 Difference]: Without dead ends: 166 [2021-06-05 03:08:12,567 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 453.7ms TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-06-05 03:08:12,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-06-05 03:08:12,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 131. [2021-06-05 03:08:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.9538461538461538) internal successors, (254), 130 states have internal predecessors, (254), 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) [2021-06-05 03:08:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 254 transitions. [2021-06-05 03:08:12,573 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 254 transitions. Word has length 27 [2021-06-05 03:08:12,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 03:08:12,573 INFO L482 AbstractCegarLoop]: Abstraction has 131 states and 254 transitions. [2021-06-05 03:08:12,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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) [2021-06-05 03:08:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 254 transitions. [2021-06-05 03:08:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-06-05 03:08:12,574 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 03:08:12,575 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 03:08:12,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 03:08:12,575 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thread0Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread0Thread1of1ForFork1Err0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 03:08:12,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 03:08:12,575 INFO L82 PathProgramCache]: Analyzing trace with hash 705872801, now seen corresponding path program 1 times [2021-06-05 03:08:12,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 03:08:12,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678635437] [2021-06-05 03:08:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 03:08:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 03:08:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 03:08:12,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 03:08:12,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678635437] [2021-06-05 03:08:12,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678635437] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 03:08:12,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 03:08:12,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 03:08:12,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274296887] [2021-06-05 03:08:12,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 03:08:12,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 03:08:12,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 03:08:12,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 03:08:12,601 INFO L87 Difference]: Start difference. First operand 131 states and 254 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-06-05 03:08:12,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 03:08:12,604 INFO L93 Difference]: Finished difference Result 129 states and 252 transitions. [2021-06-05 03:08:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 03:08:12,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-06-05 03:08:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 03:08:12,604 INFO L225 Difference]: With dead ends: 129 [2021-06-05 03:08:12,605 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 03:08:12,605 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 03:08:12,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 03:08:12,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 03:08:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 03:08:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 03:08:12,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-06-05 03:08:12,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 03:08:12,606 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 03:08:12,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-06-05 03:08:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 03:08:12,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 03:08:12,606 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 03:08:12,607 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 03:08:12,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 03:08:12 BasicIcfg [2021-06-05 03:08:12,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 03:08:12,610 INFO L168 Benchmark]: Toolchain (without parser) took 3368.72 ms. Allocated memory is still 379.6 MB. Free memory was 341.6 MB in the beginning and 257.8 MB in the end (delta: 83.8 MB). Peak memory consumption was 84.0 MB. Max. memory is 16.0 GB. [2021-06-05 03:08:12,610 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 379.6 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 03:08:12,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.85 ms. Allocated memory is still 379.6 MB. Free memory was 341.5 MB in the beginning and 362.1 MB in the end (delta: -20.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-06-05 03:08:12,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.66 ms. Allocated memory is still 379.6 MB. Free memory was 362.1 MB in the beginning and 361.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 03:08:12,612 INFO L168 Benchmark]: Boogie Preprocessor took 12.93 ms. Allocated memory is still 379.6 MB. Free memory was 361.1 MB in the beginning and 360.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 03:08:12,612 INFO L168 Benchmark]: RCFGBuilder took 295.52 ms. Allocated memory is still 379.6 MB. Free memory was 360.0 MB in the beginning and 343.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-05 03:08:12,612 INFO L168 Benchmark]: TraceAbstraction took 2790.43 ms. Allocated memory is still 379.6 MB. Free memory was 343.2 MB in the beginning and 257.8 MB in the end (delta: 85.4 MB). Peak memory consumption was 87.5 MB. Max. memory is 16.0 GB. [2021-06-05 03:08:12,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 379.6 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 243.85 ms. Allocated memory is still 379.6 MB. Free memory was 341.5 MB in the beginning and 362.1 MB in the end (delta: -20.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.66 ms. Allocated memory is still 379.6 MB. Free memory was 362.1 MB in the beginning and 361.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.93 ms. Allocated memory is still 379.6 MB. Free memory was 361.1 MB in the beginning and 360.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 295.52 ms. Allocated memory is still 379.6 MB. Free memory was 360.0 MB in the beginning and 343.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2790.43 ms. Allocated memory is still 379.6 MB. Free memory was 343.2 MB in the beginning and 257.8 MB in the end (delta: 85.4 MB). Peak memory consumption was 87.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 70 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2650.0ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 16.2ms, AutomataDifference: 1233.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 40.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 184 SDtfs, 224 SDslu, 793 SDs, 0 SdLazy, 491 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 367.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1209.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 50.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 67 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.3ms SsaConstructionTime, 74.5ms SatisfiabilityAnalysisTime, 1081.6ms InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 1449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...