/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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-22 01:23:33,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-22 01:23:33,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-22 01:23:33,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-22 01:23:33,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-22 01:23:33,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-22 01:23:33,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-22 01:23:33,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-22 01:23:33,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-22 01:23:33,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-22 01:23:33,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-22 01:23:33,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-22 01:23:33,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-22 01:23:33,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-22 01:23:33,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-22 01:23:33,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-22 01:23:33,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-22 01:23:33,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-22 01:23:33,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-22 01:23:33,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-22 01:23:33,140 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-Separate.epf [2021-05-22 01:23:33,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-22 01:23:33,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-22 01:23:33,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-22 01:23:33,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-22 01:23:33,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-22 01:23:33,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-22 01:23:33,169 INFO L138 SettingsManager]: * Use SBE=true [2021-05-22 01:23:33,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-22 01:23:33,169 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-22 01:23:33,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-22 01:23:33,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-22 01:23:33,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-22 01:23:33,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-22 01:23:33,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-22 01:23:33,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-22 01:23:33,170 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-22 01:23:33,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-22 01:23:33,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-22 01:23:33,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-22 01:23:33,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-22 01:23:33,172 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-22 01:23:33,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-22 01:23:33,172 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-22 01:23:33,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-22 01:23:33,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-22 01:23:33,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-22 01:23:33,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-22 01:23:33,401 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-22 01:23:33,407 INFO L275 PluginConnector]: CDTParser initialized [2021-05-22 01:23:33,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c [2021-05-22 01:23:33,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037852180/77253118fb774bea8d78da6174c82a83/FLAGfdc83a4dc [2021-05-22 01:23:33,824 INFO L306 CDTParser]: Found 1 translation units. [2021-05-22 01:23:33,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c [2021-05-22 01:23:33,824 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-05-22 01:23:33,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037852180/77253118fb774bea8d78da6174c82a83/FLAGfdc83a4dc [2021-05-22 01:23:34,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037852180/77253118fb774bea8d78da6174c82a83 [2021-05-22 01:23:34,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-22 01:23:34,270 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-22 01:23:34,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-22 01:23:34,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-22 01:23:34,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-22 01:23:34,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8b4a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34, skipping insertion in model container [2021-05-22 01:23:34,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-22 01:23:34,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-22 01:23:34,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 01:23:34,428 INFO L203 MainTranslator]: Completed pre-run [2021-05-22 01:23:34,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 01:23:34,445 INFO L208 MainTranslator]: Completed translation [2021-05-22 01:23:34,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34 WrapperNode [2021-05-22 01:23:34,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-22 01:23:34,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-22 01:23:34,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-22 01:23:34,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-22 01:23:34,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-22 01:23:34,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-22 01:23:34,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-22 01:23:34,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-22 01:23:34,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (1/1) ... [2021-05-22 01:23:34,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-22 01:23:34,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-22 01:23:34,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-22 01:23:34,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-22 01:23:34,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (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 [2021-05-22 01:23:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-22 01:23:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-05-22 01:23:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-05-22 01:23:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-22 01:23:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-22 01:23:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-22 01:23:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-22 01:23:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-22 01:23:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-22 01:23:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-22 01:23:34,562 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-22 01:23:34,774 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-22 01:23:34,774 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-05-22 01:23:34,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 01:23:34 BoogieIcfgContainer [2021-05-22 01:23:34,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-22 01:23:34,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-22 01:23:34,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-22 01:23:34,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-22 01:23:34,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.05 01:23:34" (1/3) ... [2021-05-22 01:23:34,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275e88ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 01:23:34, skipping insertion in model container [2021-05-22 01:23:34,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 01:23:34" (2/3) ... [2021-05-22 01:23:34,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275e88ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 01:23:34, skipping insertion in model container [2021-05-22 01:23:34,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 01:23:34" (3/3) ... [2021-05-22 01:23:34,780 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadJoinCorrectThreadId.c [2021-05-22 01:23:34,783 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-22 01:23:34,784 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-22 01:23:34,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-22 01:23:34,793 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-22 01:23:34,808 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,808 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,808 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,809 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,809 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,809 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,809 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,809 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,809 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,809 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,809 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,809 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,810 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,810 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,810 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,810 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,810 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,810 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,810 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,811 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,811 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,811 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,811 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,811 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,811 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,811 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,811 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,812 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,812 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,812 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,812 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,812 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,813 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,813 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,813 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,813 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,813 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,813 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,813 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,813 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,814 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,814 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,814 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,814 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,814 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,814 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,814 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,814 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,815 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,815 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,815 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,815 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,815 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,815 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,817 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,817 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,817 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,817 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,829 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,829 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,829 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,829 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,830 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,830 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,830 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,830 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,830 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,834 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,834 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 01:23:34,868 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-05-22 01:23:34,883 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 01:23:34,896 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 01:23:34,896 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 01:23:34,896 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 01:23:34,896 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 01:23:34,896 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 01:23:34,896 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 01:23:34,896 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 01:23:34,896 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-22 01:23:34,903 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 56 transitions, 140 flow [2021-05-22 01:23:34,915 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) [2021-05-22 01:23:34,917 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) [2021-05-22 01:23:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-05-22 01:23:34,923 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 01:23:34,924 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] [2021-05-22 01:23:34,924 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-22 01:23:34,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 01:23:34,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1896190628, now seen corresponding path program 1 times [2021-05-22 01:23:34,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 01:23:34,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366135905] [2021-05-22 01:23:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 01:23:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 01:23:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 01:23:35,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 01:23:35,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366135905] [2021-05-22 01:23:35,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366135905] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 01:23:35,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 01:23:35,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-22 01:23:35,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375622696] [2021-05-22 01:23:35,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-22 01:23:35,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 01:23:35,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-22 01:23:35,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-05-22 01:23:35,414 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) [2021-05-22 01:23:35,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 01:23:35,590 INFO L93 Difference]: Finished difference Result 204 states and 371 transitions. [2021-05-22 01:23:35,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-22 01:23:35,591 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 [2021-05-22 01:23:35,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 01:23:35,597 INFO L225 Difference]: With dead ends: 204 [2021-05-22 01:23:35,597 INFO L226 Difference]: Without dead ends: 174 [2021-05-22 01:23:35,598 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 258.1ms TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-22 01:23:35,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-05-22 01:23:35,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 166. [2021-05-22 01:23:35,624 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) [2021-05-22 01:23:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 315 transitions. [2021-05-22 01:23:35,626 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 315 transitions. Word has length 27 [2021-05-22 01:23:35,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 01:23:35,627 INFO L482 AbstractCegarLoop]: Abstraction has 166 states and 315 transitions. [2021-05-22 01:23:35,627 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) [2021-05-22 01:23:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 315 transitions. [2021-05-22 01:23:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-05-22 01:23:35,628 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 01:23:35,628 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] [2021-05-22 01:23:35,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-22 01:23:35,628 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-22 01:23:35,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 01:23:35,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1239561768, now seen corresponding path program 2 times [2021-05-22 01:23:35,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 01:23:35,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68969225] [2021-05-22 01:23:35,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 01:23:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 01:23:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 01:23:35,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 01:23:35,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68969225] [2021-05-22 01:23:35,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68969225] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 01:23:35,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 01:23:35,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-05-22 01:23:35,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030703279] [2021-05-22 01:23:35,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-22 01:23:35,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 01:23:35,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-22 01:23:35,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-05-22 01:23:35,810 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) [2021-05-22 01:23:36,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 01:23:36,143 INFO L93 Difference]: Finished difference Result 190 states and 349 transitions. [2021-05-22 01:23:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-22 01:23:36,144 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 [2021-05-22 01:23:36,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 01:23:36,145 INFO L225 Difference]: With dead ends: 190 [2021-05-22 01:23:36,146 INFO L226 Difference]: Without dead ends: 190 [2021-05-22 01:23:36,146 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 266.7ms TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2021-05-22 01:23:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-05-22 01:23:36,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 166. [2021-05-22 01:23:36,153 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) [2021-05-22 01:23:36,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 315 transitions. [2021-05-22 01:23:36,154 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 315 transitions. Word has length 27 [2021-05-22 01:23:36,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 01:23:36,154 INFO L482 AbstractCegarLoop]: Abstraction has 166 states and 315 transitions. [2021-05-22 01:23:36,154 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) [2021-05-22 01:23:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 315 transitions. [2021-05-22 01:23:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-05-22 01:23:36,155 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 01:23:36,155 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] [2021-05-22 01:23:36,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-22 01:23:36,155 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-22 01:23:36,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 01:23:36,156 INFO L82 PathProgramCache]: Analyzing trace with hash 85881112, now seen corresponding path program 3 times [2021-05-22 01:23:36,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 01:23:36,156 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563602933] [2021-05-22 01:23:36,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 01:23:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 01:23:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 01:23:36,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 01:23:36,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563602933] [2021-05-22 01:23:36,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563602933] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 01:23:36,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 01:23:36,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-05-22 01:23:36,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762270430] [2021-05-22 01:23:36,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-22 01:23:36,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 01:23:36,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-22 01:23:36,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-05-22 01:23:36,417 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) [2021-05-22 01:23:36,774 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-05-22 01:23:36,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 01:23:36,996 INFO L93 Difference]: Finished difference Result 162 states and 298 transitions. [2021-05-22 01:23:36,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-22 01:23:36,997 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 [2021-05-22 01:23:36,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 01:23:36,998 INFO L225 Difference]: With dead ends: 162 [2021-05-22 01:23:36,998 INFO L226 Difference]: Without dead ends: 162 [2021-05-22 01:23:36,998 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 557.8ms TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-05-22 01:23:36,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-05-22 01:23:37,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 131. [2021-05-22 01:23:37,002 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) [2021-05-22 01:23:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 254 transitions. [2021-05-22 01:23:37,002 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 254 transitions. Word has length 27 [2021-05-22 01:23:37,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 01:23:37,003 INFO L482 AbstractCegarLoop]: Abstraction has 131 states and 254 transitions. [2021-05-22 01:23:37,003 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) [2021-05-22 01:23:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 254 transitions. [2021-05-22 01:23:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-05-22 01:23:37,004 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 01:23:37,004 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] [2021-05-22 01:23:37,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-22 01:23:37,004 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-22 01:23:37,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 01:23:37,004 INFO L82 PathProgramCache]: Analyzing trace with hash 705872801, now seen corresponding path program 1 times [2021-05-22 01:23:37,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 01:23:37,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134483941] [2021-05-22 01:23:37,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 01:23:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 01:23:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 01:23:37,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 01:23:37,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134483941] [2021-05-22 01:23:37,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134483941] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 01:23:37,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 01:23:37,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-22 01:23:37,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327968982] [2021-05-22 01:23:37,033 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-22 01:23:37,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 01:23:37,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-22 01:23:37,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 01:23:37,034 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) [2021-05-22 01:23:37,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 01:23:37,035 INFO L93 Difference]: Finished difference Result 129 states and 252 transitions. [2021-05-22 01:23:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-22 01:23:37,036 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 [2021-05-22 01:23:37,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 01:23:37,036 INFO L225 Difference]: With dead ends: 129 [2021-05-22 01:23:37,036 INFO L226 Difference]: Without dead ends: 0 [2021-05-22 01:23:37,036 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 01:23:37,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-22 01:23:37,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-22 01:23:37,036 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) [2021-05-22 01:23:37,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-22 01:23:37,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-05-22 01:23:37,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 01:23:37,037 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-22 01:23:37,037 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) [2021-05-22 01:23:37,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-22 01:23:37,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-22 01:23:37,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-22 01:23:37,037 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-22 01:23:37,039 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-05-22 01:23:37,040 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 01:23:37,040 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 01:23:37,040 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 01:23:37,040 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 01:23:37,040 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 01:23:37,040 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 01:23:37,040 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 01:23:37,040 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-22 01:23:37,041 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 56 transitions, 140 flow [2021-05-22 01:23:37,044 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) [2021-05-22 01:23:37,044 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) [2021-05-22 01:23:37,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-22 01:23:37,045 INFO L315 ceAbstractionStarter]: Result for error location InUseError was SAFE (2/2) [2021-05-22 01:23:37,045 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-22 01:23:37,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.05 01:23:37 BasicIcfg [2021-05-22 01:23:37,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-22 01:23:37,048 INFO L168 Benchmark]: Toolchain (without parser) took 2777.78 ms. Allocated memory is still 358.6 MB. Free memory was 320.0 MB in the beginning and 222.7 MB in the end (delta: 97.2 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.0 GB. [2021-05-22 01:23:37,048 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 358.6 MB. Free memory was 338.7 MB in the beginning and 338.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-22 01:23:37,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.15 ms. Allocated memory is still 358.6 MB. Free memory was 319.8 MB in the beginning and 341.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-05-22 01:23:37,049 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.63 ms. Allocated memory is still 358.6 MB. Free memory was 341.4 MB in the beginning and 339.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-22 01:23:37,049 INFO L168 Benchmark]: Boogie Preprocessor took 26.31 ms. Allocated memory is still 358.6 MB. Free memory was 339.8 MB in the beginning and 338.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-22 01:23:37,049 INFO L168 Benchmark]: RCFGBuilder took 276.34 ms. Allocated memory is still 358.6 MB. Free memory was 338.0 MB in the beginning and 321.5 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-05-22 01:23:37,050 INFO L168 Benchmark]: TraceAbstraction took 2271.49 ms. Allocated memory is still 358.6 MB. Free memory was 320.4 MB in the beginning and 222.7 MB in the end (delta: 97.7 MB). Peak memory consumption was 99.8 MB. Max. memory is 16.0 GB. [2021-05-22 01:23:37,052 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 358.6 MB. Free memory was 338.7 MB in the beginning and 338.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 175.15 ms. Allocated memory is still 358.6 MB. Free memory was 319.8 MB in the beginning and 341.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.63 ms. Allocated memory is still 358.6 MB. Free memory was 341.4 MB in the beginning and 339.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.31 ms. Allocated memory is still 358.6 MB. Free memory was 339.8 MB in the beginning and 338.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 276.34 ms. Allocated memory is still 358.6 MB. Free memory was 338.0 MB in the beginning and 321.5 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2271.49 ms. Allocated memory is still 358.6 MB. Free memory was 320.4 MB in the beginning and 222.7 MB in the end (delta: 97.7 MB). Peak memory consumption was 99.8 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: 2143.5ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 10.1ms, AutomataDifference: 1133.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 183 SDtfs, 217 SDslu, 802 SDs, 0 SdLazy, 491 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 337.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1084.2ms 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: 32.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 63 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.4ms SsaConstructionTime, 58.5ms SatisfiabilityAnalysisTime, 791.6ms 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 5 procedures, 70 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 1.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...