/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 12:21:37,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 12:21:37,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 12:21:37,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 12:21:37,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 12:21:37,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 12:21:37,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 12:21:37,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 12:21:37,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 12:21:37,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 12:21:37,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 12:21:37,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 12:21:37,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 12:21:37,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 12:21:37,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 12:21:37,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 12:21:37,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 12:21:37,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 12:21:37,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 12:21:37,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 12:21:37,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 12:21:37,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 12:21:37,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 12:21:37,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 12:21:37,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 12:21:37,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 12:21:37,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 12:21:37,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 12:21:37,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 12:21:37,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 12:21:37,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 12:21:37,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 12:21:37,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 12:21:37,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 12:21:37,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 12:21:37,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 12:21:37,531 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-New_States.epf [2020-11-12 12:21:37,575 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 12:21:37,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 12:21:37,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 12:21:37,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 12:21:37,577 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 12:21:37,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 12:21:37,578 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 12:21:37,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 12:21:37,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 12:21:37,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 12:21:37,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 12:21:37,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 12:21:37,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 12:21:37,579 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 12:21:37,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 12:21:37,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 12:21:37,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 12:21:37,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 12:21:37,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 12:21:37,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 12:21:37,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 12:21:37,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 12:21:37,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 12:21:37,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 12:21:37,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 12:21:37,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 12:21:37,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 12:21:37,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 12:21:37,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 12:21:37,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 12:21:37,583 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 12:21:37,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 12:21:37,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 12:21:37,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 12:21:37,992 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 12:21:37,993 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 12:21:37,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2020-11-12 12:21:38,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c75f53b/76e97ff7b3ea4c478ca590b3bc07b900/FLAG64ac47b67 [2020-11-12 12:21:38,874 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 12:21:38,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2020-11-12 12:21:38,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c75f53b/76e97ff7b3ea4c478ca590b3bc07b900/FLAG64ac47b67 [2020-11-12 12:21:39,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c75f53b/76e97ff7b3ea4c478ca590b3bc07b900 [2020-11-12 12:21:39,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 12:21:39,170 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 12:21:39,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 12:21:39,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 12:21:39,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 12:21:39,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:39,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6148e8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39, skipping insertion in model container [2020-11-12 12:21:39,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:39,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 12:21:39,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 12:21:39,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:21:39,704 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 12:21:39,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:21:39,897 INFO L208 MainTranslator]: Completed translation [2020-11-12 12:21:39,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39 WrapperNode [2020-11-12 12:21:39,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 12:21:39,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 12:21:39,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 12:21:39,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 12:21:39,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:39,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:39,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 12:21:39,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 12:21:39,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 12:21:39,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 12:21:39,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:39,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:39,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:39,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:39,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:39,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:40,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (1/1) ... [2020-11-12 12:21:40,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 12:21:40,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 12:21:40,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 12:21:40,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 12:21:40,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (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 [2020-11-12 12:21:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 12:21:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 12:21:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 12:21:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 12:21:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 12:21:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 12:21:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 12:21:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 12:21:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 12:21:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 12:21:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-12 12:21:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-12 12:21:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 12:21:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 12:21:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 12:21:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 12:21:40,109 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 12:21:40,682 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 12:21:40,682 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 12:21:40,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:21:40 BoogieIcfgContainer [2020-11-12 12:21:40,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 12:21:40,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 12:21:40,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 12:21:40,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 12:21:40,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:21:39" (1/3) ... [2020-11-12 12:21:40,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d893ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:21:40, skipping insertion in model container [2020-11-12 12:21:40,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:39" (2/3) ... [2020-11-12 12:21:40,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d893ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:21:40, skipping insertion in model container [2020-11-12 12:21:40,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:21:40" (3/3) ... [2020-11-12 12:21:40,696 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc.i [2020-11-12 12:21:40,715 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 12:21:40,715 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 12:21:40,720 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 12:21:40,721 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 12:21:40,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,764 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,771 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,771 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,771 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,772 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,773 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,773 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,773 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,777 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,777 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,778 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,778 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,780 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,781 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,781 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,781 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,782 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,782 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,782 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,782 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,783 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,783 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,783 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,783 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,786 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,787 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,797 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,797 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,798 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,798 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,803 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,803 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,807 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,807 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,807 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,807 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:40,810 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 12:21:40,824 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-12 12:21:40,860 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 12:21:40,860 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 12:21:40,861 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 12:21:40,861 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 12:21:40,861 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 12:21:40,861 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 12:21:40,861 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 12:21:40,861 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 12:21:40,879 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 90 transitions, 200 flow [2020-11-12 12:21:50,528 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 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) [2020-11-12 12:21:54,491 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 3958ms [2020-11-12 12:21:54,612 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 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) [2020-11-12 12:21:54,961 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 197804 states, 182198 states have (on average 1.2315502914411793) internal successors, (224386), 197803 states have internal predecessors, (224386), 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) [2020-11-12 12:21:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 197804 states, 182198 states have (on average 1.2315502914411793) internal successors, (224386), 197803 states have internal predecessors, (224386), 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) [2020-11-12 12:21:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-12 12:21:55,241 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:55,242 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:21:55,243 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:55,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:55,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1521340881, now seen corresponding path program 1 times [2020-11-12 12:21:55,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:55,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552894204] [2020-11-12 12:21:55,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:55,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:21:55,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552894204] [2020-11-12 12:21:55,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:55,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:21:55,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374777862] [2020-11-12 12:21:55,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:21:55,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:55,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:21:55,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:21:56,299 INFO L87 Difference]: Start difference. First operand has 197804 states, 182198 states have (on average 1.2315502914411793) internal successors, (224386), 197803 states have internal predecessors, (224386), 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 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:21:57,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:57,167 INFO L93 Difference]: Finished difference Result 81032 states and 102643 transitions. [2020-11-12 12:21:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:21:57,175 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2020-11-12 12:21:57,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:57,329 INFO L225 Difference]: With dead ends: 81032 [2020-11-12 12:21:57,329 INFO L226 Difference]: Without dead ends: 20688 [2020-11-12 12:21:57,331 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:21:57,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20688 states. [2020-11-12 12:21:58,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20688 to 20688. [2020-11-12 12:21:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20688 states, 19428 states have (on average 1.5003088326127239) internal successors, (29148), 20687 states have internal predecessors, (29148), 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) [2020-11-12 12:21:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20688 states to 20688 states and 29148 transitions. [2020-11-12 12:21:58,270 INFO L78 Accepts]: Start accepts. Automaton has 20688 states and 29148 transitions. Word has length 46 [2020-11-12 12:21:58,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:58,271 INFO L481 AbstractCegarLoop]: Abstraction has 20688 states and 29148 transitions. [2020-11-12 12:21:58,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:21:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 20688 states and 29148 transitions. [2020-11-12 12:21:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 12:21:58,290 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:58,291 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:21:58,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 12:21:58,291 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:58,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:58,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1443855120, now seen corresponding path program 1 times [2020-11-12 12:21:58,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:58,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423064101] [2020-11-12 12:21:58,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:21:58,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423064101] [2020-11-12 12:21:58,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:58,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:21:58,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877084254] [2020-11-12 12:21:58,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:21:58,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:58,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:21:58,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:21:58,546 INFO L87 Difference]: Start difference. First operand 20688 states and 29148 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:21:58,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:58,895 INFO L93 Difference]: Finished difference Result 24760 states and 32910 transitions. [2020-11-12 12:21:58,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:21:58,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2020-11-12 12:21:58,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:58,971 INFO L225 Difference]: With dead ends: 24760 [2020-11-12 12:21:58,971 INFO L226 Difference]: Without dead ends: 19146 [2020-11-12 12:21:58,973 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:21:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19146 states. [2020-11-12 12:21:59,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19146 to 19146. [2020-11-12 12:21:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19146 states, 17970 states have (on average 1.4473567056204786) internal successors, (26009), 19145 states have internal predecessors, (26009), 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) [2020-11-12 12:21:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19146 states to 19146 states and 26009 transitions. [2020-11-12 12:21:59,762 INFO L78 Accepts]: Start accepts. Automaton has 19146 states and 26009 transitions. Word has length 48 [2020-11-12 12:21:59,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:59,763 INFO L481 AbstractCegarLoop]: Abstraction has 19146 states and 26009 transitions. [2020-11-12 12:21:59,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:21:59,763 INFO L276 IsEmpty]: Start isEmpty. Operand 19146 states and 26009 transitions. [2020-11-12 12:21:59,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 12:21:59,788 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:59,788 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:21:59,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 12:21:59,788 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:59,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:59,790 INFO L82 PathProgramCache]: Analyzing trace with hash 783013961, now seen corresponding path program 1 times [2020-11-12 12:21:59,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:59,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171945158] [2020-11-12 12:21:59,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:00,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171945158] [2020-11-12 12:22:00,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:00,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:22:00,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122884102] [2020-11-12 12:22:00,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:22:00,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:00,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:22:00,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:22:00,036 INFO L87 Difference]: Start difference. First operand 19146 states and 26009 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:22:00,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:00,358 INFO L93 Difference]: Finished difference Result 26629 states and 37396 transitions. [2020-11-12 12:22:00,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:22:00,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-11-12 12:22:00,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:00,391 INFO L225 Difference]: With dead ends: 26629 [2020-11-12 12:22:00,391 INFO L226 Difference]: Without dead ends: 12435 [2020-11-12 12:22:00,392 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:22:00,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12435 states. [2020-11-12 12:22:00,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12435 to 12435. [2020-11-12 12:22:00,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12435 states, 11651 states have (on average 1.4107801905415844) internal successors, (16437), 12434 states have internal predecessors, (16437), 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) [2020-11-12 12:22:00,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12435 states to 12435 states and 16437 transitions. [2020-11-12 12:22:00,729 INFO L78 Accepts]: Start accepts. Automaton has 12435 states and 16437 transitions. Word has length 49 [2020-11-12 12:22:00,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:00,731 INFO L481 AbstractCegarLoop]: Abstraction has 12435 states and 16437 transitions. [2020-11-12 12:22:00,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:22:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 12435 states and 16437 transitions. [2020-11-12 12:22:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-12 12:22:00,746 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:00,746 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:00,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 12:22:00,746 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:00,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:00,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1855944394, now seen corresponding path program 1 times [2020-11-12 12:22:00,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:00,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331783752] [2020-11-12 12:22:00,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:00,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331783752] [2020-11-12 12:22:00,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:00,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:22:00,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51399060] [2020-11-12 12:22:00,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:22:00,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:00,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:22:00,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:22:00,927 INFO L87 Difference]: Start difference. First operand 12435 states and 16437 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2020-11-12 12:22:01,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:01,103 INFO L93 Difference]: Finished difference Result 14371 states and 18901 transitions. [2020-11-12 12:22:01,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:22:01,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2020-11-12 12:22:01,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:01,126 INFO L225 Difference]: With dead ends: 14371 [2020-11-12 12:22:01,127 INFO L226 Difference]: Without dead ends: 9345 [2020-11-12 12:22:01,127 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:22:01,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9345 states. [2020-11-12 12:22:01,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9345 to 9345. [2020-11-12 12:22:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9345 states, 8785 states have (on average 1.4069436539556062) internal successors, (12360), 9344 states have internal predecessors, (12360), 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) [2020-11-12 12:22:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9345 states to 9345 states and 12360 transitions. [2020-11-12 12:22:01,538 INFO L78 Accepts]: Start accepts. Automaton has 9345 states and 12360 transitions. Word has length 51 [2020-11-12 12:22:01,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:01,539 INFO L481 AbstractCegarLoop]: Abstraction has 9345 states and 12360 transitions. [2020-11-12 12:22:01,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2020-11-12 12:22:01,539 INFO L276 IsEmpty]: Start isEmpty. Operand 9345 states and 12360 transitions. [2020-11-12 12:22:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-12 12:22:01,553 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:01,553 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:01,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 12:22:01,553 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:01,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:01,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1787827977, now seen corresponding path program 1 times [2020-11-12 12:22:01,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:01,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860148158] [2020-11-12 12:22:01,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:01,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860148158] [2020-11-12 12:22:01,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:01,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:22:01,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916441663] [2020-11-12 12:22:01,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:22:01,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:01,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:22:01,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:22:01,648 INFO L87 Difference]: Start difference. First operand 9345 states and 12360 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2020-11-12 12:22:01,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:01,821 INFO L93 Difference]: Finished difference Result 14642 states and 17590 transitions. [2020-11-12 12:22:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:22:01,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 53 [2020-11-12 12:22:01,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:01,843 INFO L225 Difference]: With dead ends: 14642 [2020-11-12 12:22:01,843 INFO L226 Difference]: Without dead ends: 9650 [2020-11-12 12:22:01,844 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:22:01,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9650 states. [2020-11-12 12:22:02,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9650 to 7346. [2020-11-12 12:22:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7346 states, 6946 states have (on average 1.3481140224589692) internal successors, (9364), 7345 states have internal predecessors, (9364), 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) [2020-11-12 12:22:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7346 states to 7346 states and 9364 transitions. [2020-11-12 12:22:02,023 INFO L78 Accepts]: Start accepts. Automaton has 7346 states and 9364 transitions. Word has length 53 [2020-11-12 12:22:02,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:02,024 INFO L481 AbstractCegarLoop]: Abstraction has 7346 states and 9364 transitions. [2020-11-12 12:22:02,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2020-11-12 12:22:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 7346 states and 9364 transitions. [2020-11-12 12:22:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-12 12:22:02,046 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:02,046 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:02,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 12:22:02,047 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:02,047 INFO L82 PathProgramCache]: Analyzing trace with hash 186754529, now seen corresponding path program 1 times [2020-11-12 12:22:02,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:02,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725208016] [2020-11-12 12:22:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:02,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725208016] [2020-11-12 12:22:02,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:02,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:22:02,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582497801] [2020-11-12 12:22:02,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:22:02,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:02,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:22:02,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:22:02,182 INFO L87 Difference]: Start difference. First operand 7346 states and 9364 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:22:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:02,314 INFO L93 Difference]: Finished difference Result 7997 states and 10036 transitions. [2020-11-12 12:22:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:22:02,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2020-11-12 12:22:02,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:02,330 INFO L225 Difference]: With dead ends: 7997 [2020-11-12 12:22:02,330 INFO L226 Difference]: Without dead ends: 7212 [2020-11-12 12:22:02,331 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-11-12 12:22:02,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7212 states. [2020-11-12 12:22:02,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7212 to 7212. [2020-11-12 12:22:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7212 states, 6816 states have (on average 1.3402288732394365) internal successors, (9135), 7211 states have internal predecessors, (9135), 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) [2020-11-12 12:22:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7212 states to 7212 states and 9135 transitions. [2020-11-12 12:22:02,480 INFO L78 Accepts]: Start accepts. Automaton has 7212 states and 9135 transitions. Word has length 54 [2020-11-12 12:22:02,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:02,481 INFO L481 AbstractCegarLoop]: Abstraction has 7212 states and 9135 transitions. [2020-11-12 12:22:02,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:22:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand 7212 states and 9135 transitions. [2020-11-12 12:22:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-12 12:22:02,496 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:02,497 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:02,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 12:22:02,497 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:02,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:02,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1950431102, now seen corresponding path program 1 times [2020-11-12 12:22:02,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:02,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311218636] [2020-11-12 12:22:02,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:02,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311218636] [2020-11-12 12:22:02,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:02,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:22:02,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011169759] [2020-11-12 12:22:02,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:22:02,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:02,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:22:02,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:22:02,718 INFO L87 Difference]: Start difference. First operand 7212 states and 9135 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:22:02,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:02,884 INFO L93 Difference]: Finished difference Result 7419 states and 9186 transitions. [2020-11-12 12:22:02,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:22:02,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2020-11-12 12:22:02,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:02,898 INFO L225 Difference]: With dead ends: 7419 [2020-11-12 12:22:02,898 INFO L226 Difference]: Without dead ends: 6341 [2020-11-12 12:22:02,899 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-11-12 12:22:02,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6341 states. [2020-11-12 12:22:03,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6341 to 6341. [2020-11-12 12:22:03,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6341 states, 5981 states have (on average 1.2951011536532353) internal successors, (7746), 6340 states have internal predecessors, (7746), 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) [2020-11-12 12:22:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6341 states to 6341 states and 7746 transitions. [2020-11-12 12:22:03,314 INFO L78 Accepts]: Start accepts. Automaton has 6341 states and 7746 transitions. Word has length 55 [2020-11-12 12:22:03,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:03,315 INFO L481 AbstractCegarLoop]: Abstraction has 6341 states and 7746 transitions. [2020-11-12 12:22:03,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:22:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 6341 states and 7746 transitions. [2020-11-12 12:22:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-12 12:22:03,324 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:03,324 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:03,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 12:22:03,325 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:03,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:03,325 INFO L82 PathProgramCache]: Analyzing trace with hash 566477228, now seen corresponding path program 1 times [2020-11-12 12:22:03,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:03,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254738734] [2020-11-12 12:22:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:03,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:03,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254738734] [2020-11-12 12:22:03,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:03,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 12:22:03,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067371719] [2020-11-12 12:22:03,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 12:22:03,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:03,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 12:22:03,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 12:22:03,516 INFO L87 Difference]: Start difference. First operand 6341 states and 7746 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2020-11-12 12:22:03,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:03,676 INFO L93 Difference]: Finished difference Result 5387 states and 6302 transitions. [2020-11-12 12:22:03,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:22:03,677 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 56 [2020-11-12 12:22:03,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:03,685 INFO L225 Difference]: With dead ends: 5387 [2020-11-12 12:22:03,685 INFO L226 Difference]: Without dead ends: 4099 [2020-11-12 12:22:03,685 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:22:03,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4099 states. [2020-11-12 12:22:03,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4099 to 4099. [2020-11-12 12:22:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4099 states, 3856 states have (on average 1.2012448132780082) internal successors, (4632), 4098 states have internal predecessors, (4632), 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) [2020-11-12 12:22:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 4632 transitions. [2020-11-12 12:22:03,760 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 4632 transitions. Word has length 56 [2020-11-12 12:22:03,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:03,762 INFO L481 AbstractCegarLoop]: Abstraction has 4099 states and 4632 transitions. [2020-11-12 12:22:03,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2020-11-12 12:22:03,762 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 4632 transitions. [2020-11-12 12:22:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-12 12:22:03,769 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:03,769 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:03,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 12:22:03,769 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:03,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:03,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1264043443, now seen corresponding path program 1 times [2020-11-12 12:22:03,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:03,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038605298] [2020-11-12 12:22:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:03,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038605298] [2020-11-12 12:22:03,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:03,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-12 12:22:03,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102100997] [2020-11-12 12:22:03,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-12 12:22:03,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:03,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-12 12:22:03,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-12 12:22:03,913 INFO L87 Difference]: Start difference. First operand 4099 states and 4632 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 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) [2020-11-12 12:22:04,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:04,098 INFO L93 Difference]: Finished difference Result 2560 states and 2778 transitions. [2020-11-12 12:22:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 12:22:04,098 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 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 58 [2020-11-12 12:22:04,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:04,102 INFO L225 Difference]: With dead ends: 2560 [2020-11-12 12:22:04,102 INFO L226 Difference]: Without dead ends: 1377 [2020-11-12 12:22:04,102 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-11-12 12:22:04,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2020-11-12 12:22:04,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1377. [2020-11-12 12:22:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1296 states have (on average 1.091820987654321) internal successors, (1415), 1376 states have internal predecessors, (1415), 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) [2020-11-12 12:22:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1415 transitions. [2020-11-12 12:22:04,124 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1415 transitions. Word has length 58 [2020-11-12 12:22:04,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:04,125 INFO L481 AbstractCegarLoop]: Abstraction has 1377 states and 1415 transitions. [2020-11-12 12:22:04,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 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) [2020-11-12 12:22:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1415 transitions. [2020-11-12 12:22:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-12 12:22:04,127 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:04,128 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:04,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-12 12:22:04,128 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:04,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:04,129 INFO L82 PathProgramCache]: Analyzing trace with hash -2136223538, now seen corresponding path program 1 times [2020-11-12 12:22:04,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:04,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107594203] [2020-11-12 12:22:04,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:04,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107594203] [2020-11-12 12:22:04,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:04,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:22:04,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339962969] [2020-11-12 12:22:04,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:22:04,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:04,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:22:04,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:22:04,255 INFO L87 Difference]: Start difference. First operand 1377 states and 1415 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-11-12 12:22:04,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:04,353 INFO L93 Difference]: Finished difference Result 2233 states and 2268 transitions. [2020-11-12 12:22:04,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 12:22:04,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 60 [2020-11-12 12:22:04,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:04,360 INFO L225 Difference]: With dead ends: 2233 [2020-11-12 12:22:04,360 INFO L226 Difference]: Without dead ends: 1227 [2020-11-12 12:22:04,360 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:22:04,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-11-12 12:22:04,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1227. [2020-11-12 12:22:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1146 states have (on average 1.0698080279232112) internal successors, (1226), 1226 states have internal predecessors, (1226), 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) [2020-11-12 12:22:04,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1226 transitions. [2020-11-12 12:22:04,382 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1226 transitions. Word has length 60 [2020-11-12 12:22:04,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:04,383 INFO L481 AbstractCegarLoop]: Abstraction has 1227 states and 1226 transitions. [2020-11-12 12:22:04,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-11-12 12:22:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1226 transitions. [2020-11-12 12:22:04,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-12 12:22:04,385 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:04,385 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:04,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-12 12:22:04,386 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:04,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:04,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1341151750, now seen corresponding path program 2 times [2020-11-12 12:22:04,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:04,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095880556] [2020-11-12 12:22:04,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:04,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:04,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095880556] [2020-11-12 12:22:04,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:04,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:22:04,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919307553] [2020-11-12 12:22:04,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:22:04,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:04,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:22:04,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:22:04,510 INFO L87 Difference]: Start difference. First operand 1227 states and 1226 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-11-12 12:22:04,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:04,580 INFO L93 Difference]: Finished difference Result 903 states and 902 transitions. [2020-11-12 12:22:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 12:22:04,581 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 60 [2020-11-12 12:22:04,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:04,581 INFO L225 Difference]: With dead ends: 903 [2020-11-12 12:22:04,581 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 12:22:04,582 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:22:04,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 12:22:04,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 12:22:04,582 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) [2020-11-12 12:22:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 12:22:04,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-11-12 12:22:04,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:04,583 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 12:22:04,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-11-12 12:22:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 12:22:04,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 12:22:04,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-12 12:22:04,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:22:04 BasicIcfg [2020-11-12 12:22:04,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 12:22:04,593 INFO L168 Benchmark]: Toolchain (without parser) took 25427.64 ms. Allocated memory was 302.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 277.7 MB in the beginning and 7.3 GB in the end (delta: -7.0 GB). Peak memory consumption was 937.4 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:04,594 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 272.3 MB in the end (delta: 78.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:22:04,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.54 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 245.8 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:04,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.59 ms. Allocated memory is still 302.0 MB. Free memory was 245.8 MB in the beginning and 243.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:04,605 INFO L168 Benchmark]: Boogie Preprocessor took 55.99 ms. Allocated memory is still 302.0 MB. Free memory was 243.9 MB in the beginning and 285.1 MB in the end (delta: -41.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:04,606 INFO L168 Benchmark]: RCFGBuilder took 674.73 ms. Allocated memory is still 302.0 MB. Free memory was 285.1 MB in the beginning and 260.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:04,610 INFO L168 Benchmark]: TraceAbstraction took 23901.84 ms. Allocated memory was 302.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 259.9 MB in the beginning and 7.3 GB in the end (delta: -7.0 GB). Peak memory consumption was 918.4 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:04,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 272.3 MB in the end (delta: 78.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 725.54 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 245.8 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.59 ms. Allocated memory is still 302.0 MB. Free memory was 245.8 MB in the beginning and 243.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 55.99 ms. Allocated memory is still 302.0 MB. Free memory was 243.9 MB in the beginning and 285.1 MB in the end (delta: -41.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. * RCFGBuilder took 674.73 ms. Allocated memory is still 302.0 MB. Free memory was 285.1 MB in the beginning and 260.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 23901.84 ms. Allocated memory was 302.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 259.9 MB in the beginning and 7.3 GB in the end (delta: -7.0 GB). Peak memory consumption was 918.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.7s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.1s, HoareTripleCheckerStatistics: 869 SDtfs, 1353 SDslu, 3200 SDs, 0 SdLazy, 379 SolverSat, 106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197804occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2304 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 84265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...