/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe025_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 10:10:27,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 10:10:27,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 10:10:27,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 10:10:27,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 10:10:27,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 10:10:27,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 10:10:27,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 10:10:27,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 10:10:27,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 10:10:27,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 10:10:27,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 10:10:27,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 10:10:27,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 10:10:27,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 10:10:27,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 10:10:27,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 10:10:27,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 10:10:27,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 10:10:27,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 10:10:27,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 10:10:27,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 10:10:27,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 10:10:27,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 10:10:27,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-05 10:10:27,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-05 10:10:27,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-05 10:10:27,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-05 10:10:27,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-05 10:10:27,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-05 10:10:27,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 10:10:27,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 10:10:27,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 10:10:27,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 10:10:27,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 10:10:27,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 10:10:27,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 10:10:27,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 10:10:27,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 10:10:27,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 10:10:27,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 10:10:27,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-06-05 10:10:27,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 10:10:27,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 10:10:27,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 10:10:27,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 10:10:27,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 10:10:27,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 10:10:27,153 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 10:10:27,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 10:10:27,154 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 10:10:27,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 10:10:27,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 10:10:27,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 10:10:27,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 10:10:27,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:10:27,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 10:10:27,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 10:10:27,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 10:10:27,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 10:10:27,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 10:10:27,156 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 10:10:27,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 10:10:27,156 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 10:10:27,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 10:10:27,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 10:10:27,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 10:10:27,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 10:10:27,422 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 10:10:27,423 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 10:10:27,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_tso.oepc.i [2021-06-05 10:10:27,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17174db14/24da594c7c174b4a873c07718706e9c9/FLAGccbffeaef [2021-06-05 10:10:27,890 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 10:10:27,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_tso.oepc.i [2021-06-05 10:10:27,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17174db14/24da594c7c174b4a873c07718706e9c9/FLAGccbffeaef [2021-06-05 10:10:27,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17174db14/24da594c7c174b4a873c07718706e9c9 [2021-06-05 10:10:27,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 10:10:27,918 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 10:10:27,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 10:10:27,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 10:10:27,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 10:10:27,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:10:27" (1/1) ... [2021-06-05 10:10:27,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52da816c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:27, skipping insertion in model container [2021-06-05 10:10:27,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:10:27" (1/1) ... [2021-06-05 10:10:27,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 10:10:27,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 10:10:28,067 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_tso.oepc.i[950,963] [2021-06-05 10:10:28,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:10:28,190 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 10:10:28,201 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_tso.oepc.i[950,963] [2021-06-05 10:10:28,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:10:28,295 INFO L208 MainTranslator]: Completed translation [2021-06-05 10:10:28,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28 WrapperNode [2021-06-05 10:10:28,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 10:10:28,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 10:10:28,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 10:10:28,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 10:10:28,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... [2021-06-05 10:10:28,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... [2021-06-05 10:10:28,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 10:10:28,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 10:10:28,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 10:10:28,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 10:10:28,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... [2021-06-05 10:10:28,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... [2021-06-05 10:10:28,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... [2021-06-05 10:10:28,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... [2021-06-05 10:10:28,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... [2021-06-05 10:10:28,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... [2021-06-05 10:10:28,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... [2021-06-05 10:10:28,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 10:10:28,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 10:10:28,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 10:10:28,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 10:10:28,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:10:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 10:10:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 10:10:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 10:10:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 10:10:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 10:10:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 10:10:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 10:10:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 10:10:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 10:10:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 10:10:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 10:10:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 10:10:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 10:10:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 10:10:28,459 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 10:10:28,766 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 10:10:28,766 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 10:10:28,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:10:28 BoogieIcfgContainer [2021-06-05 10:10:28,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 10:10:28,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 10:10:28,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 10:10:28,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 10:10:28,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 10:10:27" (1/3) ... [2021-06-05 10:10:28,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10319032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:10:28, skipping insertion in model container [2021-06-05 10:10:28,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:10:28" (2/3) ... [2021-06-05 10:10:28,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10319032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:10:28, skipping insertion in model container [2021-06-05 10:10:28,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:10:28" (3/3) ... [2021-06-05 10:10:28,775 INFO L111 eAbstractionObserver]: Analyzing ICFG safe025_tso.oepc.i [2021-06-05 10:10:28,779 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 10:10:28,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 10:10:28,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 10:10:28,780 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 10:10:28,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,810 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,810 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,810 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,812 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,814 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,814 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,814 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,815 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,815 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,815 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,815 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,820 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,820 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,821 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,821 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,821 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,821 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,823 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,824 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,828 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,828 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:10:28,834 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 10:10:28,849 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 10:10:28,869 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 10:10:28,869 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 10:10:28,869 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 10:10:28,870 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 10:10:28,870 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 10:10:28,870 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 10:10:28,870 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 10:10:28,870 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 10:10:28,879 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 84 transitions, 183 flow [2021-06-05 10:10:29,249 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9332 states, 9330 states have (on average 3.562379421221865) internal successors, (33237), 9331 states have internal predecessors, (33237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 9332 states, 9330 states have (on average 3.562379421221865) internal successors, (33237), 9331 states have internal predecessors, (33237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-06-05 10:10:29,316 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:29,317 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:29,317 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:29,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:29,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1943773822, now seen corresponding path program 1 times [2021-06-05 10:10:29,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:29,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122351203] [2021-06-05 10:10:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:29,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:29,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122351203] [2021-06-05 10:10:29,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122351203] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:29,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:29,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:10:29,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869619255] [2021-06-05 10:10:29,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:10:29,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:29,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:10:29,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:10:29,617 INFO L87 Difference]: Start difference. First operand has 9332 states, 9330 states have (on average 3.562379421221865) internal successors, (33237), 9331 states have internal predecessors, (33237), 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 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:30,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:30,100 INFO L93 Difference]: Finished difference Result 20524 states and 70683 transitions. [2021-06-05 10:10:30,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:10:30,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-06-05 10:10:30,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:30,160 INFO L225 Difference]: With dead ends: 20524 [2021-06-05 10:10:30,160 INFO L226 Difference]: Without dead ends: 7182 [2021-06-05 10:10:30,161 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 147.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:10:30,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7182 states. [2021-06-05 10:10:30,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7182 to 6060. [2021-06-05 10:10:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6060 states, 6059 states have (on average 3.368872751279089) internal successors, (20412), 6059 states have internal predecessors, (20412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6060 states to 6060 states and 20412 transitions. [2021-06-05 10:10:30,518 INFO L78 Accepts]: Start accepts. Automaton has 6060 states and 20412 transitions. Word has length 49 [2021-06-05 10:10:30,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:30,519 INFO L482 AbstractCegarLoop]: Abstraction has 6060 states and 20412 transitions. [2021-06-05 10:10:30,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:30,520 INFO L276 IsEmpty]: Start isEmpty. Operand 6060 states and 20412 transitions. [2021-06-05 10:10:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-06-05 10:10:30,530 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:30,530 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:30,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 10:10:30,530 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:30,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:30,531 INFO L82 PathProgramCache]: Analyzing trace with hash -303430371, now seen corresponding path program 1 times [2021-06-05 10:10:30,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:30,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829240606] [2021-06-05 10:10:30,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:30,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:30,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829240606] [2021-06-05 10:10:30,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829240606] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:30,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:30,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:10:30,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807552248] [2021-06-05 10:10:30,632 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:10:30,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:30,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:10:30,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:10:30,633 INFO L87 Difference]: Start difference. First operand 6060 states and 20412 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) [2021-06-05 10:10:30,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:30,811 INFO L93 Difference]: Finished difference Result 6620 states and 22145 transitions. [2021-06-05 10:10:30,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:10:30,812 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 [2021-06-05 10:10:30,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:30,836 INFO L225 Difference]: With dead ends: 6620 [2021-06-05 10:10:30,837 INFO L226 Difference]: Without dead ends: 5640 [2021-06-05 10:10:30,838 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 86.7ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:10:30,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5640 states. [2021-06-05 10:10:31,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5640 to 5320. [2021-06-05 10:10:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5320 states, 5319 states have (on average 3.342733596540703) internal successors, (17780), 5319 states have internal predecessors, (17780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 17780 transitions. [2021-06-05 10:10:31,060 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 17780 transitions. Word has length 51 [2021-06-05 10:10:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:31,061 INFO L482 AbstractCegarLoop]: Abstraction has 5320 states and 17780 transitions. [2021-06-05 10:10:31,061 INFO L483 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) [2021-06-05 10:10:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 17780 transitions. [2021-06-05 10:10:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-06-05 10:10:31,070 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:31,070 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:31,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 10:10:31,071 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:31,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:31,076 INFO L82 PathProgramCache]: Analyzing trace with hash -448599139, now seen corresponding path program 1 times [2021-06-05 10:10:31,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:31,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856564969] [2021-06-05 10:10:31,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:31,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:31,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856564969] [2021-06-05 10:10:31,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856564969] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:31,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:31,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:10:31,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929214713] [2021-06-05 10:10:31,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:10:31,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:31,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:10:31,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:10:31,198 INFO L87 Difference]: Start difference. First operand 5320 states and 17780 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:31,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:31,360 INFO L93 Difference]: Finished difference Result 5768 states and 19144 transitions. [2021-06-05 10:10:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:10:31,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2021-06-05 10:10:31,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:31,396 INFO L225 Difference]: With dead ends: 5768 [2021-06-05 10:10:31,396 INFO L226 Difference]: Without dead ends: 4984 [2021-06-05 10:10:31,396 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 134.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:10:31,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4984 states. [2021-06-05 10:10:31,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4984 to 4616. [2021-06-05 10:10:31,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4616 states, 4615 states have (on average 3.342145178764897) internal successors, (15424), 4615 states have internal predecessors, (15424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4616 states to 4616 states and 15424 transitions. [2021-06-05 10:10:31,529 INFO L78 Accepts]: Start accepts. Automaton has 4616 states and 15424 transitions. Word has length 52 [2021-06-05 10:10:31,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:31,529 INFO L482 AbstractCegarLoop]: Abstraction has 4616 states and 15424 transitions. [2021-06-05 10:10:31,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:31,529 INFO L276 IsEmpty]: Start isEmpty. Operand 4616 states and 15424 transitions. [2021-06-05 10:10:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-06-05 10:10:31,538 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:31,538 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:31,538 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 10:10:31,538 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:31,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:31,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1505957406, now seen corresponding path program 1 times [2021-06-05 10:10:31,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:31,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113930105] [2021-06-05 10:10:31,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:31,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:31,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113930105] [2021-06-05 10:10:31,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113930105] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:31,651 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:31,651 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:10:31,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903323683] [2021-06-05 10:10:31,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:10:31,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:31,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:10:31,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:10:31,653 INFO L87 Difference]: Start difference. First operand 4616 states and 15424 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 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) [2021-06-05 10:10:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:31,869 INFO L93 Difference]: Finished difference Result 7298 states and 24180 transitions. [2021-06-05 10:10:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:10:31,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 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 [2021-06-05 10:10:31,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:31,880 INFO L225 Difference]: With dead ends: 7298 [2021-06-05 10:10:31,880 INFO L226 Difference]: Without dead ends: 4350 [2021-06-05 10:10:31,881 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 163.5ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:10:31,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4350 states. [2021-06-05 10:10:31,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4350 to 4126. [2021-06-05 10:10:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4126 states, 4125 states have (on average 3.2996363636363637) internal successors, (13611), 4125 states have internal predecessors, (13611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4126 states to 4126 states and 13611 transitions. [2021-06-05 10:10:31,985 INFO L78 Accepts]: Start accepts. Automaton has 4126 states and 13611 transitions. Word has length 53 [2021-06-05 10:10:31,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:31,986 INFO L482 AbstractCegarLoop]: Abstraction has 4126 states and 13611 transitions. [2021-06-05 10:10:31,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 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) [2021-06-05 10:10:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 4126 states and 13611 transitions. [2021-06-05 10:10:31,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 10:10:31,993 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:31,993 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:31,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 10:10:31,993 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:31,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:31,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1566342532, now seen corresponding path program 1 times [2021-06-05 10:10:31,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:31,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227468557] [2021-06-05 10:10:31,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:32,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:32,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227468557] [2021-06-05 10:10:32,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227468557] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:32,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:32,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:10:32,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234969806] [2021-06-05 10:10:32,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:10:32,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:32,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:10:32,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:10:32,052 INFO L87 Difference]: Start difference. First operand 4126 states and 13611 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) [2021-06-05 10:10:32,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:32,147 INFO L93 Difference]: Finished difference Result 5189 states and 16882 transitions. [2021-06-05 10:10:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:10:32,147 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 [2021-06-05 10:10:32,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:32,156 INFO L225 Difference]: With dead ends: 5189 [2021-06-05 10:10:32,156 INFO L226 Difference]: Without dead ends: 3753 [2021-06-05 10:10:32,156 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 67.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:10:32,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2021-06-05 10:10:32,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 3753. [2021-06-05 10:10:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3752 states have (on average 3.236673773987207) internal successors, (12144), 3752 states have internal predecessors, (12144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 12144 transitions. [2021-06-05 10:10:32,269 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 12144 transitions. Word has length 54 [2021-06-05 10:10:32,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:32,269 INFO L482 AbstractCegarLoop]: Abstraction has 3753 states and 12144 transitions. [2021-06-05 10:10:32,269 INFO L483 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) [2021-06-05 10:10:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 12144 transitions. [2021-06-05 10:10:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 10:10:32,275 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:32,275 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:32,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 10:10:32,276 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:32,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:32,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1073595617, now seen corresponding path program 1 times [2021-06-05 10:10:32,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:32,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120263183] [2021-06-05 10:10:32,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:32,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:32,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120263183] [2021-06-05 10:10:32,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120263183] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:32,362 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:32,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:10:32,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146271342] [2021-06-05 10:10:32,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:10:32,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:32,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:10:32,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:10:32,363 INFO L87 Difference]: Start difference. First operand 3753 states and 12144 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) [2021-06-05 10:10:32,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:32,467 INFO L93 Difference]: Finished difference Result 3927 states and 12383 transitions. [2021-06-05 10:10:32,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:10:32,467 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 [2021-06-05 10:10:32,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:32,473 INFO L225 Difference]: With dead ends: 3927 [2021-06-05 10:10:32,474 INFO L226 Difference]: Without dead ends: 2751 [2021-06-05 10:10:32,474 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 76.3ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-05 10:10:32,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2021-06-05 10:10:32,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2751. [2021-06-05 10:10:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2751 states, 2750 states have (on average 3.096363636363636) internal successors, (8515), 2750 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 8515 transitions. [2021-06-05 10:10:32,524 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 8515 transitions. Word has length 55 [2021-06-05 10:10:32,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:32,524 INFO L482 AbstractCegarLoop]: Abstraction has 2751 states and 8515 transitions. [2021-06-05 10:10:32,524 INFO L483 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) [2021-06-05 10:10:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 8515 transitions. [2021-06-05 10:10:32,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-06-05 10:10:32,529 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:32,529 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:32,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 10:10:32,529 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:32,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:32,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1221177026, now seen corresponding path program 1 times [2021-06-05 10:10:32,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:32,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545042929] [2021-06-05 10:10:32,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:32,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:32,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545042929] [2021-06-05 10:10:32,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545042929] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:32,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:32,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 10:10:32,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541687837] [2021-06-05 10:10:32,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 10:10:32,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:32,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 10:10:32,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 10:10:32,609 INFO L87 Difference]: Start difference. First operand 2751 states and 8515 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:32,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:32,737 INFO L93 Difference]: Finished difference Result 2364 states and 7171 transitions. [2021-06-05 10:10:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:10:32,738 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 57 [2021-06-05 10:10:32,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:32,742 INFO L225 Difference]: With dead ends: 2364 [2021-06-05 10:10:32,742 INFO L226 Difference]: Without dead ends: 1644 [2021-06-05 10:10:32,743 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 90.6ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:10:32,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2021-06-05 10:10:32,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1596. [2021-06-05 10:10:32,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1596 states, 1595 states have (on average 2.9579937304075234) internal successors, (4718), 1595 states have internal predecessors, (4718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 4718 transitions. [2021-06-05 10:10:32,794 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 4718 transitions. Word has length 57 [2021-06-05 10:10:32,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:32,795 INFO L482 AbstractCegarLoop]: Abstraction has 1596 states and 4718 transitions. [2021-06-05 10:10:32,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 4718 transitions. [2021-06-05 10:10:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-05 10:10:32,798 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:32,798 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:32,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 10:10:32,798 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:32,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:32,799 INFO L82 PathProgramCache]: Analyzing trace with hash 491831026, now seen corresponding path program 1 times [2021-06-05 10:10:32,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:32,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785581334] [2021-06-05 10:10:32,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:32,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:32,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:32,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785581334] [2021-06-05 10:10:32,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785581334] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:32,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:32,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:10:32,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664113] [2021-06-05 10:10:32,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:10:32,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:32,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:10:32,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:10:32,870 INFO L87 Difference]: Start difference. First operand 1596 states and 4718 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:32,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:32,939 INFO L93 Difference]: Finished difference Result 2287 states and 6743 transitions. [2021-06-05 10:10:32,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 10:10:32,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-06-05 10:10:32,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:32,942 INFO L225 Difference]: With dead ends: 2287 [2021-06-05 10:10:32,942 INFO L226 Difference]: Without dead ends: 1404 [2021-06-05 10:10:32,942 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 72.2ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:10:32,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2021-06-05 10:10:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1404. [2021-06-05 10:10:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1403 states have (on average 2.9265858873841766) internal successors, (4106), 1403 states have internal predecessors, (4106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 4106 transitions. [2021-06-05 10:10:32,972 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 4106 transitions. Word has length 61 [2021-06-05 10:10:32,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:32,972 INFO L482 AbstractCegarLoop]: Abstraction has 1404 states and 4106 transitions. [2021-06-05 10:10:32,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 4106 transitions. [2021-06-05 10:10:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-05 10:10:32,975 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:32,975 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:32,975 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 10:10:32,975 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:32,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:32,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1035960030, now seen corresponding path program 2 times [2021-06-05 10:10:32,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:32,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515270018] [2021-06-05 10:10:32,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:33,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:33,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515270018] [2021-06-05 10:10:33,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515270018] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:33,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:33,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 10:10:33,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015754787] [2021-06-05 10:10:33,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 10:10:33,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:33,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 10:10:33,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-05 10:10:33,069 INFO L87 Difference]: Start difference. First operand 1404 states and 4106 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:33,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:33,143 INFO L93 Difference]: Finished difference Result 2327 states and 6857 transitions. [2021-06-05 10:10:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:10:33,144 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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 61 [2021-06-05 10:10:33,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:33,147 INFO L225 Difference]: With dead ends: 2327 [2021-06-05 10:10:33,147 INFO L226 Difference]: Without dead ends: 1440 [2021-06-05 10:10:33,147 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 72.1ms TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-06-05 10:10:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2021-06-05 10:10:33,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1320. [2021-06-05 10:10:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 2.9037149355572405) internal successors, (3830), 1319 states have internal predecessors, (3830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 3830 transitions. [2021-06-05 10:10:33,170 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 3830 transitions. Word has length 61 [2021-06-05 10:10:33,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:33,170 INFO L482 AbstractCegarLoop]: Abstraction has 1320 states and 3830 transitions. [2021-06-05 10:10:33,170 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 3830 transitions. [2021-06-05 10:10:33,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-05 10:10:33,172 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:33,172 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:33,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 10:10:33,173 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:33,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:33,173 INFO L82 PathProgramCache]: Analyzing trace with hash 78142742, now seen corresponding path program 3 times [2021-06-05 10:10:33,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:33,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534785308] [2021-06-05 10:10:33,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:33,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:33,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534785308] [2021-06-05 10:10:33,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534785308] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:33,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:33,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:10:33,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927082639] [2021-06-05 10:10:33,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:10:33,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:33,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:10:33,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:10:33,233 INFO L87 Difference]: Start difference. First operand 1320 states and 3830 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:33,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:33,299 INFO L93 Difference]: Finished difference Result 1803 states and 5271 transitions. [2021-06-05 10:10:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 10:10:33,299 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-06-05 10:10:33,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:33,301 INFO L225 Difference]: With dead ends: 1803 [2021-06-05 10:10:33,301 INFO L226 Difference]: Without dead ends: 1050 [2021-06-05 10:10:33,302 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 62.0ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:10:33,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2021-06-05 10:10:33,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 1050. [2021-06-05 10:10:33,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 1049 states have (on average 2.8045757864632983) internal successors, (2942), 1049 states have internal predecessors, (2942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 2942 transitions. [2021-06-05 10:10:33,318 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 2942 transitions. Word has length 61 [2021-06-05 10:10:33,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:33,318 INFO L482 AbstractCegarLoop]: Abstraction has 1050 states and 2942 transitions. [2021-06-05 10:10:33,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 2942 transitions. [2021-06-05 10:10:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-05 10:10:33,320 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:10:33,320 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:10:33,321 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 10:10:33,322 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:10:33,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:10:33,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1489451038, now seen corresponding path program 4 times [2021-06-05 10:10:33,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:10:33,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487807427] [2021-06-05 10:10:33,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:10:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:10:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:10:33,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:10:33,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487807427] [2021-06-05 10:10:33,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487807427] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:10:33,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:10:33,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:10:33,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506212617] [2021-06-05 10:10:33,401 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:10:33,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:10:33,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:10:33,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:10:33,401 INFO L87 Difference]: Start difference. First operand 1050 states and 2942 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:33,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:10:33,454 INFO L93 Difference]: Finished difference Result 996 states and 2780 transitions. [2021-06-05 10:10:33,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 10:10:33,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-06-05 10:10:33,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:10:33,455 INFO L225 Difference]: With dead ends: 996 [2021-06-05 10:10:33,455 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 10:10:33,455 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 78.2ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:10:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 10:10:33,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 10:10:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 10:10:33,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-06-05 10:10:33,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:10:33,456 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 10:10:33,456 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:10:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 10:10:33,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 10:10:33,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 10:10:33,457 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 10:10:33,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 10:10:33 BasicIcfg [2021-06-05 10:10:33,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 10:10:33,460 INFO L168 Benchmark]: Toolchain (without parser) took 5542.03 ms. Allocated memory was 343.9 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 305.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 338.5 MB. Max. memory is 16.0 GB. [2021-06-05 10:10:33,460 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 343.9 MB. Free memory is still 323.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:10:33,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.35 ms. Allocated memory is still 343.9 MB. Free memory was 305.6 MB in the beginning and 305.8 MB in the end (delta: -197.5 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-05 10:10:33,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.94 ms. Allocated memory is still 343.9 MB. Free memory was 305.8 MB in the beginning and 303.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:10:33,460 INFO L168 Benchmark]: Boogie Preprocessor took 25.48 ms. Allocated memory is still 343.9 MB. Free memory was 303.7 MB in the beginning and 302.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:10:33,460 INFO L168 Benchmark]: RCFGBuilder took 399.66 ms. Allocated memory is still 343.9 MB. Free memory was 302.7 MB in the beginning and 275.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-05 10:10:33,461 INFO L168 Benchmark]: TraceAbstraction took 4689.35 ms. Allocated memory was 343.9 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 275.4 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 308.6 MB. Max. memory is 16.0 GB. [2021-06-05 10:10:33,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 343.9 MB. Free memory is still 323.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 377.35 ms. Allocated memory is still 343.9 MB. Free memory was 305.6 MB in the beginning and 305.8 MB in the end (delta: -197.5 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 45.94 ms. Allocated memory is still 343.9 MB. Free memory was 305.8 MB in the beginning and 303.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.48 ms. Allocated memory is still 343.9 MB. Free memory was 303.7 MB in the beginning and 302.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 399.66 ms. Allocated memory is still 343.9 MB. Free memory was 302.7 MB in the beginning and 275.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4689.35 ms. Allocated memory was 343.9 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 275.4 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 308.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4588.9ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 121.8ms, AutomataDifference: 1834.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 379.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1193 SDtfs, 1635 SDslu, 4080 SDs, 0 SdLazy, 450 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 315.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1051.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9332occurred in iteration=0, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1086.7ms AutomataMinimizationTime, 11 MinimizatonAttempts, 2202 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 56.3ms SsaConstructionTime, 132.6ms SatisfiabilityAnalysisTime, 820.1ms InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 604 ConstructedInterpolants, 0 QuantifiedInterpolants, 2130 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...