/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 20:12:14,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 20:12:14,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 20:12:14,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 20:12:14,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 20:12:14,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 20:12:14,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 20:12:14,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 20:12:14,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 20:12:14,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 20:12:14,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 20:12:14,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 20:12:14,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 20:12:14,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 20:12:14,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 20:12:14,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 20:12:14,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 20:12:14,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 20:12:14,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 20:12:14,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 20:12:14,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 20:12:14,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 20:12:14,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 20:12:14,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 20:12:15,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 20:12:15,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 20:12:15,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 20:12:15,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 20:12:15,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 20:12:15,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 20:12:15,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 20:12:15,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 20:12:15,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 20:12:15,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 20:12:15,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 20:12:15,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 20:12:15,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 20:12:15,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 20:12:15,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 20:12:15,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 20:12:15,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 20:12:15,010 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-McrStrategy.epf [2020-04-18 20:12:15,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 20:12:15,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 20:12:15,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 20:12:15,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 20:12:15,027 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 20:12:15,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 20:12:15,027 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 20:12:15,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 20:12:15,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 20:12:15,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 20:12:15,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 20:12:15,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 20:12:15,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 20:12:15,029 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 20:12:15,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 20:12:15,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 20:12:15,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 20:12:15,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 20:12:15,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 20:12:15,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 20:12:15,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 20:12:15,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 20:12:15,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 20:12:15,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 20:12:15,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 20:12:15,031 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 20:12:15,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 20:12:15,032 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 20:12:15,032 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 20:12:15,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 20:12:15,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 20:12:15,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 20:12:15,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 20:12:15,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 20:12:15,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 20:12:15,346 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 20:12:15,347 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-04-18 20:12:15,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b3288e9/59cfc90445c24c3392daa37ff9bb61e0/FLAG9075b4ce3 [2020-04-18 20:12:16,069 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 20:12:16,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-04-18 20:12:16,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b3288e9/59cfc90445c24c3392daa37ff9bb61e0/FLAG9075b4ce3 [2020-04-18 20:12:16,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b3288e9/59cfc90445c24c3392daa37ff9bb61e0 [2020-04-18 20:12:16,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 20:12:16,292 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 20:12:16,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 20:12:16,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 20:12:16,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 20:12:16,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:12:16" (1/1) ... [2020-04-18 20:12:16,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d36528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:16, skipping insertion in model container [2020-04-18 20:12:16,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:12:16" (1/1) ... [2020-04-18 20:12:16,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 20:12:16,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 20:12:17,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:12:17,205 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 20:12:17,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:12:17,636 INFO L208 MainTranslator]: Completed translation [2020-04-18 20:12:17,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17 WrapperNode [2020-04-18 20:12:17,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 20:12:17,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 20:12:17,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 20:12:17,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 20:12:17,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... [2020-04-18 20:12:17,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... [2020-04-18 20:12:17,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 20:12:17,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 20:12:17,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 20:12:17,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 20:12:17,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... [2020-04-18 20:12:17,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... [2020-04-18 20:12:17,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... [2020-04-18 20:12:17,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... [2020-04-18 20:12:17,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... [2020-04-18 20:12:17,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... [2020-04-18 20:12:17,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... [2020-04-18 20:12:17,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 20:12:17,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 20:12:17,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 20:12:17,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 20:12:17,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 20:12:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 20:12:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 20:12:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 20:12:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 20:12:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 20:12:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-04-18 20:12:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-04-18 20:12:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 20:12:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 20:12:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 20:12:17,946 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 20:12:18,708 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 20:12:18,709 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-04-18 20:12:18,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:12:18 BoogieIcfgContainer [2020-04-18 20:12:18,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 20:12:18,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 20:12:18,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 20:12:18,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 20:12:18,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:12:16" (1/3) ... [2020-04-18 20:12:18,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e3c06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:12:18, skipping insertion in model container [2020-04-18 20:12:18,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:17" (2/3) ... [2020-04-18 20:12:18,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e3c06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:12:18, skipping insertion in model container [2020-04-18 20:12:18,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:12:18" (3/3) ... [2020-04-18 20:12:18,722 INFO L109 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2020-04-18 20:12:18,732 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 20:12:18,733 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 20:12:18,740 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 20:12:18,741 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 20:12:18,771 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,771 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,772 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,772 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,772 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,772 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,773 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,773 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,773 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,773 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,773 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,773 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,774 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,774 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,774 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,774 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,775 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,775 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,775 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,775 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,775 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,776 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,776 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,776 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,776 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,777 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,777 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,777 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,777 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,777 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,778 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,778 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,778 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,778 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,778 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,779 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,779 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,779 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,779 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,780 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,780 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,780 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,780 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,781 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,781 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,781 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,785 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,785 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,785 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,786 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,786 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,786 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,786 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,787 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,787 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,794 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,794 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,795 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,795 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,795 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,795 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,796 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,796 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,796 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:12:18,836 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-04-18 20:12:18,858 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 20:12:18,858 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 20:12:18,858 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 20:12:18,859 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 20:12:18,859 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 20:12:18,859 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 20:12:18,859 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 20:12:18,859 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 20:12:18,876 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 144 places, 148 transitions, 318 flow [2020-04-18 20:12:19,102 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4726 states. [2020-04-18 20:12:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4726 states. [2020-04-18 20:12:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-04-18 20:12:19,117 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:12:19,118 INFO L425 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] [2020-04-18 20:12:19,119 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:12:19,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:19,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1713283788, now seen corresponding path program 1 times [2020-04-18 20:12:19,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:12:19,137 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [269868659] [2020-04-18 20:12:19,155 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:19,166 INFO L259 McrAutomatonBuilder]: Finished intersection with 33 states and 32 transitions. [2020-04-18 20:12:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-04-18 20:12:19,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-04-18 20:12:19,171 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:12:19,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:19,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1713283788, now seen corresponding path program 2 times [2020-04-18 20:12:19,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:12:19,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773338347] [2020-04-18 20:12:19,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:12:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:12:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:12:19,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773338347] [2020-04-18 20:12:19,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:12:19,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:12:19,778 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:12:19,785 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:19,807 INFO L259 McrAutomatonBuilder]: Finished intersection with 33 states and 32 transitions. [2020-04-18 20:12:19,807 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:12:19,868 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:12:19,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:12:19,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:12:19,874 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 6 states. [2020-04-18 20:12:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:19,991 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2020-04-18 20:12:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2020-04-18 20:12:19,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:12:19,993 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [269868659] [2020-04-18 20:12:19,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:12:19,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:12:19,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [269868659] [2020-04-18 20:12:19,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:12:19,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:12:20,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:12:20,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 20:12:20,002 INFO L87 Difference]: Start difference. First operand 4726 states. Second operand 6 states. [2020-04-18 20:12:20,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:20,346 INFO L93 Difference]: Finished difference Result 4729 states and 12880 transitions. [2020-04-18 20:12:20,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-04-18 20:12:20,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-04-18 20:12:20,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:12:20,388 INFO L225 Difference]: With dead ends: 4729 [2020-04-18 20:12:20,389 INFO L226 Difference]: Without dead ends: 3865 [2020-04-18 20:12:20,390 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-04-18 20:12:20,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2020-04-18 20:12:20,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3864. [2020-04-18 20:12:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3864 states. [2020-04-18 20:12:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 10475 transitions. [2020-04-18 20:12:20,628 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 10475 transitions. Word has length 32 [2020-04-18 20:12:20,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:12:20,629 INFO L479 AbstractCegarLoop]: Abstraction has 3864 states and 10475 transitions. [2020-04-18 20:12:20,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:12:20,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 10475 transitions. [2020-04-18 20:12:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-18 20:12:20,631 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:12:20,631 INFO L425 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] [2020-04-18 20:12:20,631 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:12:20,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:20,632 INFO L82 PathProgramCache]: Analyzing trace with hash -251908973, now seen corresponding path program 1 times [2020-04-18 20:12:20,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:12:20,633 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [197490407] [2020-04-18 20:12:20,634 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:20,634 INFO L259 McrAutomatonBuilder]: Finished intersection with 39 states and 38 transitions. [2020-04-18 20:12:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-04-18 20:12:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-18 20:12:20,641 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:12:20,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:20,641 INFO L82 PathProgramCache]: Analyzing trace with hash -251908973, now seen corresponding path program 2 times [2020-04-18 20:12:20,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:12:20,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516433690] [2020-04-18 20:12:20,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:12:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:12:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:12:20,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516433690] [2020-04-18 20:12:20,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:12:20,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:12:20,878 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:12:20,883 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:20,889 INFO L259 McrAutomatonBuilder]: Finished intersection with 39 states and 38 transitions. [2020-04-18 20:12:20,889 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:12:20,942 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:12:20,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:12:20,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:12:20,943 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 6 states. [2020-04-18 20:12:21,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:21,073 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-04-18 20:12:21,074 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-04-18 20:12:21,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:12:21,075 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [197490407] [2020-04-18 20:12:21,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:12:21,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:12:21,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [197490407] [2020-04-18 20:12:21,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:12:21,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:12:21,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:12:21,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:12:21,077 INFO L87 Difference]: Start difference. First operand 3864 states and 10475 transitions. Second operand 6 states. [2020-04-18 20:12:21,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:21,332 INFO L93 Difference]: Finished difference Result 3866 states and 10477 transitions. [2020-04-18 20:12:21,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-18 20:12:21,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-04-18 20:12:21,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:12:21,359 INFO L225 Difference]: With dead ends: 3866 [2020-04-18 20:12:21,359 INFO L226 Difference]: Without dead ends: 3866 [2020-04-18 20:12:21,361 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-04-18 20:12:21,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3866 states. [2020-04-18 20:12:21,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3866 to 3862. [2020-04-18 20:12:21,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2020-04-18 20:12:21,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 10473 transitions. [2020-04-18 20:12:21,493 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 10473 transitions. Word has length 38 [2020-04-18 20:12:21,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:12:21,494 INFO L479 AbstractCegarLoop]: Abstraction has 3862 states and 10473 transitions. [2020-04-18 20:12:21,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:12:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 10473 transitions. [2020-04-18 20:12:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-04-18 20:12:21,496 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:12:21,497 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:12:21,497 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:12:21,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:21,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1207684161, now seen corresponding path program 1 times [2020-04-18 20:12:21,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:12:21,498 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [60111551] [2020-04-18 20:12:21,499 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:21,500 INFO L259 McrAutomatonBuilder]: Finished intersection with 57 states and 56 transitions. [2020-04-18 20:12:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-04-18 20:12:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-04-18 20:12:21,501 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:12:21,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:21,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1207684161, now seen corresponding path program 2 times [2020-04-18 20:12:21,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:12:21,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887293356] [2020-04-18 20:12:21,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:12:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:12:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:12:21,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887293356] [2020-04-18 20:12:21,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:12:21,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:12:21,652 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:12:21,724 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:21,735 INFO L259 McrAutomatonBuilder]: Finished intersection with 57 states and 56 transitions. [2020-04-18 20:12:21,735 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:12:21,799 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:12:21,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:12:21,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:12:21,800 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 6 states. [2020-04-18 20:12:21,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:21,936 INFO L93 Difference]: Finished difference Result 57 states and 56 transitions. [2020-04-18 20:12:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 56 transitions. [2020-04-18 20:12:21,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:12:21,937 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [60111551] [2020-04-18 20:12:21,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:12:21,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:12:21,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [60111551] [2020-04-18 20:12:21,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:12:21,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:12:21,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:12:21,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:12:21,939 INFO L87 Difference]: Start difference. First operand 3862 states and 10473 transitions. Second operand 6 states. [2020-04-18 20:12:22,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:22,444 INFO L93 Difference]: Finished difference Result 5826 states and 15811 transitions. [2020-04-18 20:12:22,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 20:12:22,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-04-18 20:12:22,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:12:22,481 INFO L225 Difference]: With dead ends: 5826 [2020-04-18 20:12:22,481 INFO L226 Difference]: Without dead ends: 5826 [2020-04-18 20:12:22,482 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-04-18 20:12:22,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5826 states. [2020-04-18 20:12:22,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5826 to 4386. [2020-04-18 20:12:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4386 states. [2020-04-18 20:12:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 11917 transitions. [2020-04-18 20:12:22,632 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 11917 transitions. Word has length 56 [2020-04-18 20:12:22,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:12:22,633 INFO L479 AbstractCegarLoop]: Abstraction has 4386 states and 11917 transitions. [2020-04-18 20:12:22,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:12:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 11917 transitions. [2020-04-18 20:12:22,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-04-18 20:12:22,637 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:12:22,637 INFO L425 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, 1] [2020-04-18 20:12:22,637 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:12:22,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:22,638 INFO L82 PathProgramCache]: Analyzing trace with hash -818897435, now seen corresponding path program 1 times [2020-04-18 20:12:22,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:12:22,638 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [150296196] [2020-04-18 20:12:22,639 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:22,640 INFO L259 McrAutomatonBuilder]: Finished intersection with 63 states and 62 transitions. [2020-04-18 20:12:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-04-18 20:12:22,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-04-18 20:12:22,641 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:12:22,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:22,641 INFO L82 PathProgramCache]: Analyzing trace with hash -818897435, now seen corresponding path program 2 times [2020-04-18 20:12:22,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:12:22,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395891424] [2020-04-18 20:12:22,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:12:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:12:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:12:22,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395891424] [2020-04-18 20:12:22,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:12:22,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:12:22,804 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:12:22,818 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:22,836 INFO L259 McrAutomatonBuilder]: Finished intersection with 63 states and 62 transitions. [2020-04-18 20:12:22,836 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:12:22,894 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:12:22,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:12:22,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:12:22,895 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 6 states. [2020-04-18 20:12:23,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:23,148 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2020-04-18 20:12:23,148 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 62 transitions. [2020-04-18 20:12:23,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:12:23,149 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [150296196] [2020-04-18 20:12:23,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:12:23,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:12:23,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [150296196] [2020-04-18 20:12:23,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:12:23,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:12:23,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:12:23,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:12:23,150 INFO L87 Difference]: Start difference. First operand 4386 states and 11917 transitions. Second operand 6 states. [2020-04-18 20:12:23,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:23,597 INFO L93 Difference]: Finished difference Result 6350 states and 17159 transitions. [2020-04-18 20:12:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 20:12:23,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-04-18 20:12:23,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:12:23,645 INFO L225 Difference]: With dead ends: 6350 [2020-04-18 20:12:23,645 INFO L226 Difference]: Without dead ends: 5318 [2020-04-18 20:12:23,645 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-04-18 20:12:23,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2020-04-18 20:12:23,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 5126. [2020-04-18 20:12:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5126 states. [2020-04-18 20:12:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 13986 transitions. [2020-04-18 20:12:23,794 INFO L78 Accepts]: Start accepts. Automaton has 5126 states and 13986 transitions. Word has length 62 [2020-04-18 20:12:23,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:12:23,795 INFO L479 AbstractCegarLoop]: Abstraction has 5126 states and 13986 transitions. [2020-04-18 20:12:23,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:12:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 5126 states and 13986 transitions. [2020-04-18 20:12:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-04-18 20:12:23,801 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:12:23,801 INFO L425 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, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:12:23,802 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:12:23,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:23,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1530943082, now seen corresponding path program 1 times [2020-04-18 20:12:23,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:12:23,803 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1622295124] [2020-04-18 20:12:23,805 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:23,812 INFO L259 McrAutomatonBuilder]: Finished intersection with 159 states and 248 transitions. [2020-04-18 20:12:23,813 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-04-18 20:12:23,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-04-18 20:12:23,814 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:12:23,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:23,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1219555976, now seen corresponding path program 2 times [2020-04-18 20:12:23,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:12:23,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245332766] [2020-04-18 20:12:23,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:12:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:12:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:12:23,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245332766] [2020-04-18 20:12:23,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:12:23,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 20:12:23,967 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:12:23,980 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:24,004 INFO L259 McrAutomatonBuilder]: Finished intersection with 74 states and 78 transitions. [2020-04-18 20:12:24,004 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:12:24,036 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:12:24,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 20:12:24,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 20:12:24,037 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 5 states. [2020-04-18 20:12:24,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:24,095 INFO L93 Difference]: Finished difference Result 159 states and 248 transitions. [2020-04-18 20:12:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2020-04-18 20:12:24,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:12:24,096 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1622295124] [2020-04-18 20:12:24,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:12:24,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-04-18 20:12:24,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1622295124] [2020-04-18 20:12:24,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 20:12:24,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:12:24,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 20:12:24,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-18 20:12:24,098 INFO L87 Difference]: Start difference. First operand 5126 states and 13986 transitions. Second operand 5 states. [2020-04-18 20:12:24,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:24,136 INFO L93 Difference]: Finished difference Result 1781 states and 4651 transitions. [2020-04-18 20:12:24,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 20:12:24,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-04-18 20:12:24,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:12:24,141 INFO L225 Difference]: With dead ends: 1781 [2020-04-18 20:12:24,141 INFO L226 Difference]: Without dead ends: 1781 [2020-04-18 20:12:24,142 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-18 20:12:24,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2020-04-18 20:12:24,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1781. [2020-04-18 20:12:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1781 states. [2020-04-18 20:12:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 4651 transitions. [2020-04-18 20:12:24,243 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 4651 transitions. Word has length 68 [2020-04-18 20:12:24,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:12:24,243 INFO L479 AbstractCegarLoop]: Abstraction has 1781 states and 4651 transitions. [2020-04-18 20:12:24,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 20:12:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 4651 transitions. [2020-04-18 20:12:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-04-18 20:12:24,252 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:12:24,252 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:12:24,253 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:12:24,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:24,253 INFO L82 PathProgramCache]: Analyzing trace with hash 301082608, now seen corresponding path program 1 times [2020-04-18 20:12:24,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:12:24,254 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1150752202] [2020-04-18 20:12:24,258 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:24,323 INFO L259 McrAutomatonBuilder]: Finished intersection with 1718 states and 4537 transitions. [2020-04-18 20:12:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states. [2020-04-18 20:12:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-04-18 20:12:24,341 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:12:24,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:24,341 INFO L82 PathProgramCache]: Analyzing trace with hash 301082608, now seen corresponding path program 2 times [2020-04-18 20:12:24,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:12:24,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978867854] [2020-04-18 20:12:24,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:12:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:12:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:12:26,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978867854] [2020-04-18 20:12:26,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:12:26,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-04-18 20:12:26,192 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:12:26,222 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:27,211 INFO L259 McrAutomatonBuilder]: Finished intersection with 647 states and 1534 transitions. [2020-04-18 20:12:27,211 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:12:28,737 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:28,744 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:28,747 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:28,801 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:28,806 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:28,810 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:28,814 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:28,828 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:28,828 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:12:28,829 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:152, output treesize:29 [2020-04-18 20:12:29,018 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:29,023 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:29,026 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:29,066 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:29,077 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:29,081 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:29,084 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:29,096 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:29,096 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:12:29,096 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:168, output treesize:45 [2020-04-18 20:12:29,355 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 106 times. [2020-04-18 20:12:29,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-04-18 20:12:29,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1208, Unknown=0, NotChecked=0, Total=1332 [2020-04-18 20:12:29,357 INFO L87 Difference]: Start difference. First operand 1718 states. Second operand 37 states. [2020-04-18 20:12:31,408 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-04-18 20:12:31,635 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-04-18 20:12:32,948 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-04-18 20:12:33,401 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-04-18 20:12:35,507 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-04-18 20:12:35,755 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2020-04-18 20:12:36,236 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-04-18 20:12:36,517 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-04-18 20:12:36,966 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-04-18 20:12:37,398 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2020-04-18 20:12:37,734 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-04-18 20:12:38,176 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2020-04-18 20:12:38,604 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2020-04-18 20:12:38,971 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-04-18 20:12:39,323 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2020-04-18 20:12:39,839 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2020-04-18 20:12:40,180 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-04-18 20:12:40,863 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 57 [2020-04-18 20:12:41,352 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2020-04-18 20:12:41,824 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2020-04-18 20:12:42,586 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2020-04-18 20:12:43,038 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-04-18 20:12:43,675 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-04-18 20:12:43,991 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-04-18 20:12:45,931 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 55 [2020-04-18 20:12:46,151 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-04-18 20:12:46,371 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-04-18 20:12:46,556 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2020-04-18 20:12:46,715 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-04-18 20:12:46,872 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-04-18 20:12:47,088 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-04-18 20:12:47,342 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-04-18 20:12:47,552 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-04-18 20:12:47,758 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-04-18 20:12:47,927 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-04-18 20:12:48,228 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-04-18 20:12:48,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:12:48,290 INFO L93 Difference]: Finished difference Result 2850 states and 7360 transitions. [2020-04-18 20:12:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 7360 transitions. [2020-04-18 20:12:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-04-18 20:12:48,299 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 20:12:48,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:12:48,300 INFO L82 PathProgramCache]: Analyzing trace with hash -345226960, now seen corresponding path program 3 times [2020-04-18 20:12:48,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:12:48,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385474734] [2020-04-18 20:12:48,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:12:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:12:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:12:49,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385474734] [2020-04-18 20:12:49,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:12:49,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-04-18 20:12:49,659 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:12:49,682 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:12:50,990 INFO L259 McrAutomatonBuilder]: Finished intersection with 1062 states and 2672 transitions. [2020-04-18 20:12:50,990 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:12:53,499 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,512 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,521 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,527 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,532 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,635 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-04-18 20:12:53,636 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:53,640 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,645 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,651 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,657 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,662 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,696 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:53,696 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-04-18 20:12:53,697 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:249, output treesize:44 [2020-04-18 20:12:53,983 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,987 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:53,991 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:54,038 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:54,042 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:54,046 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:54,049 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:54,065 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:54,066 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:12:54,066 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:152, output treesize:29 [2020-04-18 20:12:55,202 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,206 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,213 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,217 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,223 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,284 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:55,289 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,292 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,296 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,299 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,303 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,323 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:55,323 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-04-18 20:12:55,323 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:265, output treesize:60 [2020-04-18 20:12:55,508 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,511 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,629 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,666 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:55,670 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,672 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,675 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,694 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:55,695 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:12:55,695 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:168, output treesize:45 [2020-04-18 20:12:55,709 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,712 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,717 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,721 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,746 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,867 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-04-18 20:12:55,867 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:55,873 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,882 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,886 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,892 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,897 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:55,981 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:55,981 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-04-18 20:12:55,982 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:289, output treesize:89 [2020-04-18 20:12:56,402 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,406 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,411 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,416 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,420 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,529 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-04-18 20:12:56,529 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:56,534 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,539 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,543 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,547 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,549 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:56,617 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:56,617 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-04-18 20:12:56,617 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:289, output treesize:89 [2020-04-18 20:12:57,501 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,506 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,510 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,514 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,518 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,616 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:57,619 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,623 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,626 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,635 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,638 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,709 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:57,709 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-04-18 20:12:57,710 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:305, output treesize:105 [2020-04-18 20:12:57,969 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,974 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,978 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,981 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:57,986 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,088 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-04-18 20:12:58,088 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:58,093 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,099 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,103 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,106 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,111 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,180 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:58,180 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-04-18 20:12:58,181 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:305, output treesize:105 [2020-04-18 20:12:58,675 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,680 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,684 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,728 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:58,732 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,736 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,740 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:58,753 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:58,754 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:12:58,754 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:204, output treesize:81 [2020-04-18 20:12:59,457 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:59,462 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:59,466 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:59,524 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:59,529 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:59,535 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:59,540 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:12:59,557 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:12:59,558 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:12:59,558 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:200, output treesize:77 [2020-04-18 20:13:00,258 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,262 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,265 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,304 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:13:00,308 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,321 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,324 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,339 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:13:00,339 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:13:00,339 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:200, output treesize:77 [2020-04-18 20:13:00,722 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,726 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,730 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,786 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:13:00,791 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,795 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,799 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:00,813 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:13:00,814 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:13:00,814 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:252, output treesize:129 [2020-04-18 20:13:01,256 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,260 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,264 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,307 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:13:01,311 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,317 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,320 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,336 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:13:01,336 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:13:01,337 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:248, output treesize:125 [2020-04-18 20:13:01,813 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,817 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,822 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,864 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:13:01,867 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,871 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,874 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:13:01,891 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:13:01,891 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:13:01,891 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:248, output treesize:125 [2020-04-18 20:13:03,256 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 180 times. [2020-04-18 20:13:03,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2020-04-18 20:13:03,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2144, Invalid=16216, Unknown=0, NotChecked=0, Total=18360 [2020-04-18 20:13:03,262 INFO L87 Difference]: Start difference. First operand 2850 states and 7360 transitions. Second operand 81 states. [2020-04-18 20:13:07,707 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-18 20:13:11,639 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-04-18 20:13:12,186 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2020-04-18 20:13:12,986 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-04-18 20:13:13,548 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 46 [2020-04-18 20:13:14,600 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 50 [2020-04-18 20:13:21,067 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2020-04-18 20:13:21,757 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 33 [2020-04-18 20:13:22,378 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 81 [2020-04-18 20:13:23,457 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 37 [2020-04-18 20:13:24,514 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 57 [2020-04-18 20:13:26,833 WARN L192 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 114 [2020-04-18 20:13:27,830 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 42 [2020-04-18 20:13:29,030 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-04-18 20:13:31,373 WARN L192 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 260 DAG size of output: 104 [2020-04-18 20:13:32,807 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 37 [2020-04-18 20:13:33,588 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 67 [2020-04-18 20:13:34,591 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 49 [2020-04-18 20:13:35,815 WARN L192 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-04-18 20:13:37,564 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-04-18 20:13:38,279 WARN L192 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 61 [2020-04-18 20:13:39,037 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 61 [2020-04-18 20:13:41,445 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 251 DAG size of output: 91 [2020-04-18 20:13:42,979 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 75 [2020-04-18 20:13:44,087 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 72 [2020-04-18 20:13:46,529 WARN L192 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 46 [2020-04-18 20:13:47,576 WARN L192 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 66 [2020-04-18 20:13:49,777 WARN L192 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 84 [2020-04-18 20:13:51,641 WARN L192 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 81 [2020-04-18 20:13:53,375 WARN L192 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 64 [2020-04-18 20:13:55,534 WARN L192 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 73 [2020-04-18 20:14:01,149 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 52 [2020-04-18 20:14:01,511 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2020-04-18 20:14:01,774 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 52 [2020-04-18 20:14:01,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:14:01,828 INFO L93 Difference]: Finished difference Result 2882 states and 7436 transitions. [2020-04-18 20:14:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 7436 transitions. [2020-04-18 20:14:01,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:14:01,834 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1150752202] [2020-04-18 20:14:01,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:14:01,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-04-18 20:14:01,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1150752202] [2020-04-18 20:14:01,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 90 states [2020-04-18 20:14:01,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:14:01,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2020-04-18 20:14:01,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4340, Invalid=27522, Unknown=0, NotChecked=0, Total=31862 [2020-04-18 20:14:01,843 INFO L87 Difference]: Start difference. First operand 1781 states and 4651 transitions. Second operand 90 states. [2020-04-18 20:14:06,021 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-04-18 20:14:06,860 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-04-18 20:14:07,679 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-04-18 20:14:08,182 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 46 [2020-04-18 20:14:09,144 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 51 [2020-04-18 20:14:13,987 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 38 [2020-04-18 20:14:15,090 WARN L192 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 86 [2020-04-18 20:14:16,471 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-04-18 20:14:19,637 WARN L192 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 250 DAG size of output: 119 [2020-04-18 20:14:20,987 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2020-04-18 20:14:23,724 WARN L192 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 265 DAG size of output: 109 [2020-04-18 20:14:24,853 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 42 [2020-04-18 20:14:25,963 WARN L192 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 72 [2020-04-18 20:14:26,823 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 54 [2020-04-18 20:14:28,064 WARN L192 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 87 [2020-04-18 20:14:29,336 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 47 [2020-04-18 20:14:30,092 WARN L192 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 66 [2020-04-18 20:14:31,131 WARN L192 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 66 [2020-04-18 20:14:33,065 WARN L192 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 96 [2020-04-18 20:14:34,465 WARN L192 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 80 [2020-04-18 20:14:35,846 WARN L192 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 77 [2020-04-18 20:14:37,857 WARN L192 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 71 [2020-04-18 20:14:39,917 WARN L192 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 89 [2020-04-18 20:14:41,299 WARN L192 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 86 [2020-04-18 20:14:42,570 WARN L192 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 69 [2020-04-18 20:14:46,692 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2020-04-18 20:14:46,987 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 50 [2020-04-18 20:14:46,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:14:46,997 INFO L93 Difference]: Finished difference Result 1926 states and 4985 transitions. [2020-04-18 20:14:46,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-04-18 20:14:46,998 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 97 [2020-04-18 20:14:46,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:14:47,002 INFO L225 Difference]: With dead ends: 1926 [2020-04-18 20:14:47,002 INFO L226 Difference]: Without dead ends: 1926 [2020-04-18 20:14:47,011 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 398 SyntacticMatches, 13 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15289 ImplicationChecksByTransitivity, 71.8s TimeCoverageRelationStatistics Valid=6314, Invalid=36328, Unknown=0, NotChecked=0, Total=42642 [2020-04-18 20:14:47,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2020-04-18 20:14:47,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1779. [2020-04-18 20:14:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2020-04-18 20:14:47,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 4649 transitions. [2020-04-18 20:14:47,059 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 4649 transitions. Word has length 97 [2020-04-18 20:14:47,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:14:47,059 INFO L479 AbstractCegarLoop]: Abstraction has 1779 states and 4649 transitions. [2020-04-18 20:14:47,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 90 states. [2020-04-18 20:14:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 4649 transitions. [2020-04-18 20:14:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-04-18 20:14:47,063 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:14:47,064 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:14:47,064 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:14:47,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:14:47,064 INFO L82 PathProgramCache]: Analyzing trace with hash -591260438, now seen corresponding path program 1 times [2020-04-18 20:14:47,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:14:47,065 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [613869346] [2020-04-18 20:14:47,070 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:14:47,126 INFO L259 McrAutomatonBuilder]: Finished intersection with 1724 states and 4543 transitions. [2020-04-18 20:14:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states. [2020-04-18 20:14:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-04-18 20:14:47,141 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:14:47,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:14:47,142 INFO L82 PathProgramCache]: Analyzing trace with hash -591260438, now seen corresponding path program 2 times [2020-04-18 20:14:47,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:14:47,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058237620] [2020-04-18 20:14:47,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:14:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:14:47,958 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2020-04-18 20:14:49,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:14:49,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058237620] [2020-04-18 20:14:49,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:14:49,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2020-04-18 20:14:49,690 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:14:49,779 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:14:50,173 INFO L259 McrAutomatonBuilder]: Finished intersection with 653 states and 1540 transitions. [2020-04-18 20:14:50,173 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:14:52,209 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,214 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,219 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,258 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:52,261 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,263 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,266 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,277 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:52,278 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:14:52,278 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:152, output treesize:29 [2020-04-18 20:14:52,476 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,481 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,484 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,520 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:52,523 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,526 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,530 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:52,544 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:52,544 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:14:52,545 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:168, output treesize:45 [2020-04-18 20:14:52,862 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 91 times. [2020-04-18 20:14:52,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-04-18 20:14:52,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1616, Unknown=0, NotChecked=0, Total=1722 [2020-04-18 20:14:52,863 INFO L87 Difference]: Start difference. First operand 1724 states. Second operand 42 states. [2020-04-18 20:14:54,474 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-04-18 20:14:54,703 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-04-18 20:14:54,957 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-04-18 20:14:55,189 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-04-18 20:14:55,415 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-04-18 20:14:55,587 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-04-18 20:14:55,822 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-04-18 20:14:56,254 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-04-18 20:14:56,576 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-04-18 20:14:56,881 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-04-18 20:14:57,268 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2020-04-18 20:14:57,797 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-04-18 20:14:58,168 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-04-18 20:15:00,425 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-04-18 20:15:01,009 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-04-18 20:15:01,363 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2020-04-18 20:15:01,697 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-18 20:15:02,224 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2020-04-18 20:15:03,377 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-04-18 20:15:04,180 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2020-04-18 20:15:04,547 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-04-18 20:15:05,278 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-04-18 20:15:05,582 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-04-18 20:15:07,202 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2020-04-18 20:15:07,650 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-04-18 20:15:08,798 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2020-04-18 20:15:09,234 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2020-04-18 20:15:09,811 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2020-04-18 20:15:10,663 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2020-04-18 20:15:12,351 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 94 [2020-04-18 20:15:13,240 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2020-04-18 20:15:13,625 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2020-04-18 20:15:14,372 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-04-18 20:15:14,884 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-04-18 20:15:15,689 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-04-18 20:15:17,176 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-04-18 20:15:19,065 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-04-18 20:15:19,401 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-04-18 20:15:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:15:20,731 INFO L93 Difference]: Finished difference Result 2904 states and 7361 transitions. [2020-04-18 20:15:20,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2904 states and 7361 transitions. [2020-04-18 20:15:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-04-18 20:15:20,737 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 20:15:20,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:15:20,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1384316822, now seen corresponding path program 3 times [2020-04-18 20:15:20,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:15:20,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626582840] [2020-04-18 20:15:20,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:15:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:15:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:15:22,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626582840] [2020-04-18 20:15:22,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:15:22,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-04-18 20:15:22,875 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:15:22,894 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:15:23,588 INFO L259 McrAutomatonBuilder]: Finished intersection with 706 states and 1690 transitions. [2020-04-18 20:15:23,588 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:15:26,482 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,486 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,490 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,495 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,499 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,504 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,585 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:26,595 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,600 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,605 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,610 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,615 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,619 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:26,658 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:26,659 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:15:26,659 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:314, output treesize:68 [2020-04-18 20:15:27,023 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,030 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,035 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,074 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:27,079 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,082 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,085 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,100 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:27,101 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:15:27,101 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:152, output treesize:29 [2020-04-18 20:15:27,299 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,305 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,310 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,363 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:27,368 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,372 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,376 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,390 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:27,391 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:15:27,391 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:168, output treesize:45 [2020-04-18 20:15:27,401 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,405 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,411 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,416 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,420 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,425 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,559 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-04-18 20:15:27,559 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:27,564 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,567 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,577 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,581 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,585 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,590 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,678 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:27,679 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:15:27,679 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:362, output treesize:122 [2020-04-18 20:15:27,969 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,975 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,979 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,984 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,989 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:27,993 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,114 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-04-18 20:15:28,114 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:28,119 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,123 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,127 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,130 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,134 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,138 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,220 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:28,221 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:15:28,221 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:362, output treesize:122 [2020-04-18 20:15:28,545 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,551 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,555 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,614 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:28,618 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,628 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,638 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:28,680 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:28,680 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:15:28,680 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:204, output treesize:81 [2020-04-18 20:15:29,110 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,117 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,122 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,187 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:29,192 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,197 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,202 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,223 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:29,223 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:15:29,223 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:200, output treesize:77 [2020-04-18 20:15:29,494 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,500 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,504 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,551 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:29,555 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,560 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,563 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:15:29,579 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:15:29,580 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-18 20:15:29,580 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:200, output treesize:77 [2020-04-18 20:15:29,806 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 101 times. [2020-04-18 20:15:29,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-04-18 20:15:29,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1619, Invalid=12661, Unknown=0, NotChecked=0, Total=14280 [2020-04-18 20:15:29,808 INFO L87 Difference]: Start difference. First operand 2904 states and 7361 transitions. Second operand 52 states. [2020-04-18 20:15:32,245 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-04-18 20:15:32,565 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-04-18 20:15:32,864 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-04-18 20:15:33,147 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-04-18 20:15:33,651 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-18 20:15:34,437 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-04-18 20:15:34,833 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2020-04-18 20:15:35,240 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-04-18 20:15:35,763 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-04-18 20:15:36,376 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-04-18 20:15:36,907 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-04-18 20:15:37,253 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-04-18 20:15:38,939 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-18 20:15:39,365 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-04-18 20:15:39,861 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-04-18 20:15:40,206 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-04-18 20:15:40,647 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2020-04-18 20:15:41,418 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2020-04-18 20:15:42,495 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2020-04-18 20:15:43,082 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-04-18 20:15:43,563 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2020-04-18 20:15:44,299 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-04-18 20:15:44,708 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-04-18 20:15:45,969 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2020-04-18 20:15:46,459 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 59 [2020-04-18 20:15:47,255 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-04-18 20:15:48,370 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2020-04-18 20:15:49,082 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 82 [2020-04-18 20:15:49,700 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2020-04-18 20:15:50,522 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2020-04-18 20:15:51,322 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2020-04-18 20:15:52,550 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2020-04-18 20:15:54,591 WARN L192 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2020-04-18 20:15:55,536 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2020-04-18 20:15:56,160 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 90 [2020-04-18 20:15:57,111 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-04-18 20:15:57,876 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 82 [2020-04-18 20:16:01,563 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2020-04-18 20:16:02,121 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-04-18 20:16:02,787 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2020-04-18 20:16:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:16:03,797 INFO L93 Difference]: Finished difference Result 4797 states and 11913 transitions. [2020-04-18 20:16:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 4797 states and 11913 transitions. [2020-04-18 20:16:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-04-18 20:16:03,806 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 20:16:03,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:16:03,806 INFO L82 PathProgramCache]: Analyzing trace with hash 233242022, now seen corresponding path program 4 times [2020-04-18 20:16:03,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:16:03,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900476070] [2020-04-18 20:16:03,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:16:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 20:16:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 20:16:03,951 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 20:16:03,952 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 20:16:03,952 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 20:16:04,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:16:04 BasicIcfg [2020-04-18 20:16:04,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 20:16:04,055 INFO L168 Benchmark]: Toolchain (without parser) took 227782.49 ms. Allocated memory was 137.4 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 97.5 MB in the beginning and 841.0 MB in the end (delta: -743.5 MB). Peak memory consumption was 994.0 MB. Max. memory is 7.1 GB. [2020-04-18 20:16:04,055 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 20:16:04,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1344.27 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 95.5 MB in the beginning and 173.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-04-18 20:16:04,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.86 ms. Allocated memory is still 232.8 MB. Free memory was 173.1 MB in the beginning and 170.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 20:16:04,057 INFO L168 Benchmark]: Boogie Preprocessor took 84.27 ms. Allocated memory is still 232.8 MB. Free memory was 170.2 MB in the beginning and 167.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 20:16:04,057 INFO L168 Benchmark]: RCFGBuilder took 853.60 ms. Allocated memory is still 232.8 MB. Free memory was 167.3 MB in the beginning and 119.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. [2020-04-18 20:16:04,057 INFO L168 Benchmark]: TraceAbstraction took 225335.29 ms. Allocated memory was 232.8 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 119.1 MB in the beginning and 841.0 MB in the end (delta: -721.9 MB). Peak memory consumption was 920.2 MB. Max. memory is 7.1 GB. [2020-04-18 20:16:04,060 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1344.27 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 95.5 MB in the beginning and 173.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 137.86 ms. Allocated memory is still 232.8 MB. Free memory was 173.1 MB in the beginning and 170.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.27 ms. Allocated memory is still 232.8 MB. Free memory was 170.2 MB in the beginning and 167.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 853.60 ms. Allocated memory is still 232.8 MB. Free memory was 167.3 MB in the beginning and 119.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 225335.29 ms. Allocated memory was 232.8 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 119.1 MB in the beginning and 841.0 MB in the end (delta: -721.9 MB). Peak memory consumption was 920.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; VAL [t1={5:0}, t2={6:0}] [L1695] 0 struct device *my_dev; VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1727] 0 return 0; VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1733] 0 int ret = my_drv_init(); VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1734] COND TRUE 0 ret==0 VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1735] 0 int probe_ret; VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1736] 0 struct my_data data; VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1705] 0 data->shared.a = 0 VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1706] 0 data->shared.b = 0 VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1707] 0 data->shared.a VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1682] COND FALSE 0 !(!expression) VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1708] 0 data->shared.b VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1682] COND FALSE 0 !(!expression) VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1709] 0 int res = __VERIFIER_nondet_int(); VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1710] COND FALSE 0 !(\read(res)) VAL [my_dev={0:0}, t1={5:0}, t2={6:0}] [L1712] 0 my_dev = &data->dev VAL [my_dev={7:24}, t1={5:0}, t2={6:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 1 struct my_data *data; VAL [arg={0:0}, arg={0:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1699] 1 data->shared.a = 1 VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.b VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1715] 0 return 0; VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1737] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 2 struct my_data *data; VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1699] 2 data->shared.a = 1 VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1700] EXPR 2 data->shared.b VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 2 data->shared.b = data->shared.b + 1 VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.b = data->shared.b + 1 VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, data->shared.b=0, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1738] COND TRUE 0 probe_ret==0 VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1721] 0 void *status; VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1722] 0 \read(t1) VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1740] 0 data.shared.a VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1682] COND FALSE 0 !(!expression) VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1741] 0 data.shared.b VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1682] COND TRUE 0 !expression VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={7:0}, my_dev={7:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 127 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 225.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 46.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 1034 SDtfs, 2997 SDslu, 12512 SDs, 0 SdLazy, 8832 SolverSat, 521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 921 GetRequests, 654 SyntacticMatches, 13 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15359 ImplicationChecksByTransitivity, 72.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5126occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 1784 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...