/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 06:19:29,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 06:19:29,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 06:19:29,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 06:19:29,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 06:19:29,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 06:19:29,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 06:19:29,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 06:19:29,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 06:19:29,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 06:19:29,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 06:19:29,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 06:19:29,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 06:19:29,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 06:19:29,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 06:19:29,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 06:19:29,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 06:19:29,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 06:19:29,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 06:19:29,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 06:19:29,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 06:19:29,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 06:19:29,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 06:19:29,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 06:19:29,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 06:19:29,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 06:19:29,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 06:19:29,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 06:19:29,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 06:19:29,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 06:19:29,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 06:19:29,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 06:19:29,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 06:19:29,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 06:19:29,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 06:19:29,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 06:19:29,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 06:19:29,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 06:19:29,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 06:19:29,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 06:19:29,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 06:19:29,822 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-Delay.epf [2020-11-12 06:19:29,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 06:19:29,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 06:19:29,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 06:19:29,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 06:19:29,878 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 06:19:29,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 06:19:29,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 06:19:29,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 06:19:29,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 06:19:29,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 06:19:29,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 06:19:29,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 06:19:29,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 06:19:29,881 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 06:19:29,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 06:19:29,881 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 06:19:29,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 06:19:29,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 06:19:29,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 06:19:29,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 06:19:29,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 06:19:29,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:19:29,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 06:19:29,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 06:19:29,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 06:19:29,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 06:19:29,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 06:19:29,884 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 06:19:29,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 06:19:29,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 06:19:29,885 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 06:19:30,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 06:19:30,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 06:19:30,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 06:19:30,319 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 06:19:30,320 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 06:19:30,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-11-12 06:19:30,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0650c8f/243bcc21cec24720a94d711fcb111860/FLAG1fbfb694d [2020-11-12 06:19:31,039 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 06:19:31,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-11-12 06:19:31,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0650c8f/243bcc21cec24720a94d711fcb111860/FLAG1fbfb694d [2020-11-12 06:19:31,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0650c8f/243bcc21cec24720a94d711fcb111860 [2020-11-12 06:19:31,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 06:19:31,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 06:19:31,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 06:19:31,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 06:19:31,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 06:19:31,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:31,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f9c428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31, skipping insertion in model container [2020-11-12 06:19:31,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:31,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 06:19:31,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 06:19:31,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:19:31,788 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 06:19:31,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:19:31,972 INFO L208 MainTranslator]: Completed translation [2020-11-12 06:19:31,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31 WrapperNode [2020-11-12 06:19:31,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 06:19:31,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 06:19:31,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 06:19:31,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 06:19:31,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:32,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:32,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 06:19:32,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 06:19:32,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 06:19:32,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 06:19:32,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:32,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:32,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:32,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:32,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:32,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:32,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... [2020-11-12 06:19:32,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 06:19:32,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 06:19:32,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 06:19:32,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 06:19:32,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:19:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 06:19:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 06:19:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 06:19:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 06:19:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 06:19:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 06:19:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 06:19:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 06:19:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 06:19:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 06:19:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-12 06:19:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-12 06:19:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 06:19:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 06:19:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 06:19:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 06:19:32,166 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 06:19:32,765 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 06:19:32,765 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 06:19:32,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:19:32 BoogieIcfgContainer [2020-11-12 06:19:32,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 06:19:32,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 06:19:32,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 06:19:32,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 06:19:32,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:19:31" (1/3) ... [2020-11-12 06:19:32,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6584c1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:19:32, skipping insertion in model container [2020-11-12 06:19:32,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:31" (2/3) ... [2020-11-12 06:19:32,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6584c1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:19:32, skipping insertion in model container [2020-11-12 06:19:32,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:19:32" (3/3) ... [2020-11-12 06:19:32,777 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2020-11-12 06:19:32,792 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 06:19:32,793 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 06:19:32,797 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 06:19:32,797 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 06:19:32,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,856 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,856 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,873 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,873 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,879 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,880 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,886 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,886 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,893 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,893 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,893 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,893 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,896 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,897 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:32,900 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 06:19:32,913 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-12 06:19:32,947 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 06:19:32,947 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 06:19:32,947 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 06:19:32,948 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 06:19:32,948 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 06:19:32,948 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 06:19:32,948 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 06:19:32,948 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 06:19:32,965 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 90 transitions, 200 flow [2020-11-12 06:19:41,737 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:43,597 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 1856ms [2020-11-12 06:19:43,819 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:43,950 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 54312 states, 49290 states have (on average 1.4597078514911748) internal successors, (71949), 54311 states have internal predecessors, (71949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 54312 states, 49290 states have (on average 1.4597078514911748) internal successors, (71949), 54311 states have internal predecessors, (71949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-12 06:19:44,061 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:44,062 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:44,063 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:44,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:44,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1521340881, now seen corresponding path program 1 times [2020-11-12 06:19:44,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:44,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146319199] [2020-11-12 06:19:44,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:44,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146319199] [2020-11-12 06:19:44,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:44,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:44,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564749834] [2020-11-12 06:19:44,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:44,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:44,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:44,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:44,805 INFO L87 Difference]: Start difference. First operand has 54312 states, 49290 states have (on average 1.4597078514911748) internal successors, (71949), 54311 states have internal predecessors, (71949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:45,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:45,584 INFO L93 Difference]: Finished difference Result 68928 states and 83313 transitions. [2020-11-12 06:19:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:45,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2020-11-12 06:19:45,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:45,734 INFO L225 Difference]: With dead ends: 68928 [2020-11-12 06:19:45,734 INFO L226 Difference]: Without dead ends: 17757 [2020-11-12 06:19:45,737 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:46,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17757 states. [2020-11-12 06:19:46,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17757 to 17757. [2020-11-12 06:19:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17757 states, 16497 states have (on average 1.6561192944171668) internal successors, (27321), 17756 states have internal predecessors, (27321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17757 states to 17757 states and 27321 transitions. [2020-11-12 06:19:46,707 INFO L78 Accepts]: Start accepts. Automaton has 17757 states and 27321 transitions. Word has length 46 [2020-11-12 06:19:46,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:46,708 INFO L481 AbstractCegarLoop]: Abstraction has 17757 states and 27321 transitions. [2020-11-12 06:19:46,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 17757 states and 27321 transitions. [2020-11-12 06:19:46,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 06:19:46,727 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:46,727 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:46,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 06:19:46,728 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:46,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:46,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1443855120, now seen corresponding path program 1 times [2020-11-12 06:19:46,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:46,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274173304] [2020-11-12 06:19:46,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:46,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274173304] [2020-11-12 06:19:46,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:46,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:46,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100634689] [2020-11-12 06:19:46,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:46,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:46,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:46,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:46,907 INFO L87 Difference]: Start difference. First operand 17757 states and 27321 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:47,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:47,216 INFO L93 Difference]: Finished difference Result 22125 states and 33571 transitions. [2020-11-12 06:19:47,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:47,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2020-11-12 06:19:47,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:47,284 INFO L225 Difference]: With dead ends: 22125 [2020-11-12 06:19:47,284 INFO L226 Difference]: Without dead ends: 17001 [2020-11-12 06:19:47,285 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17001 states. [2020-11-12 06:19:47,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17001 to 17001. [2020-11-12 06:19:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17001 states, 15825 states have (on average 1.6633807266982623) internal successors, (26323), 17000 states have internal predecessors, (26323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17001 states to 17001 states and 26323 transitions. [2020-11-12 06:19:47,958 INFO L78 Accepts]: Start accepts. Automaton has 17001 states and 26323 transitions. Word has length 48 [2020-11-12 06:19:47,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:47,959 INFO L481 AbstractCegarLoop]: Abstraction has 17001 states and 26323 transitions. [2020-11-12 06:19:47,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 17001 states and 26323 transitions. [2020-11-12 06:19:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 06:19:47,983 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:47,983 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:47,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 06:19:47,984 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:47,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:47,985 INFO L82 PathProgramCache]: Analyzing trace with hash 783013961, now seen corresponding path program 1 times [2020-11-12 06:19:47,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:47,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203424578] [2020-11-12 06:19:47,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:48,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203424578] [2020-11-12 06:19:48,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:48,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:48,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497719567] [2020-11-12 06:19:48,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:48,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:48,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:48,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:48,216 INFO L87 Difference]: Start difference. First operand 17001 states and 26323 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:48,811 INFO L93 Difference]: Finished difference Result 23133 states and 38736 transitions. [2020-11-12 06:19:48,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:19:48,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-11-12 06:19:48,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:48,846 INFO L225 Difference]: With dead ends: 23133 [2020-11-12 06:19:48,847 INFO L226 Difference]: Without dead ends: 11567 [2020-11-12 06:19:48,847 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 06:19:48,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11567 states. [2020-11-12 06:19:49,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11567 to 11567. [2020-11-12 06:19:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11567 states, 10783 states have (on average 1.699712510433089) internal successors, (18328), 11566 states have internal predecessors, (18328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11567 states to 11567 states and 18328 transitions. [2020-11-12 06:19:49,176 INFO L78 Accepts]: Start accepts. Automaton has 11567 states and 18328 transitions. Word has length 49 [2020-11-12 06:19:49,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:49,178 INFO L481 AbstractCegarLoop]: Abstraction has 11567 states and 18328 transitions. [2020-11-12 06:19:49,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:49,179 INFO L276 IsEmpty]: Start isEmpty. Operand 11567 states and 18328 transitions. [2020-11-12 06:19:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-12 06:19:49,195 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:49,195 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:49,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 06:19:49,196 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:49,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1855944394, now seen corresponding path program 1 times [2020-11-12 06:19:49,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:49,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808823197] [2020-11-12 06:19:49,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:49,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808823197] [2020-11-12 06:19:49,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:49,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:49,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724918238] [2020-11-12 06:19:49,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:49,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:49,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:49,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:49,383 INFO L87 Difference]: Start difference. First operand 11567 states and 18328 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:49,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:49,597 INFO L93 Difference]: Finished difference Result 19631 states and 31092 transitions. [2020-11-12 06:19:49,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:49,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2020-11-12 06:19:49,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:49,797 INFO L225 Difference]: With dead ends: 19631 [2020-11-12 06:19:49,797 INFO L226 Difference]: Without dead ends: 13135 [2020-11-12 06:19:49,798 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:49,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13135 states. [2020-11-12 06:19:50,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13135 to 9551. [2020-11-12 06:19:50,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9551 states, 8991 states have (on average 1.7390724057390725) internal successors, (15636), 9550 states have internal predecessors, (15636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9551 states to 9551 states and 15636 transitions. [2020-11-12 06:19:50,090 INFO L78 Accepts]: Start accepts. Automaton has 9551 states and 15636 transitions. Word has length 51 [2020-11-12 06:19:50,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:50,091 INFO L481 AbstractCegarLoop]: Abstraction has 9551 states and 15636 transitions. [2020-11-12 06:19:50,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 15636 transitions. [2020-11-12 06:19:50,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 06:19:50,108 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:50,108 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:50,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 06:19:50,109 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:50,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:50,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1904141714, now seen corresponding path program 1 times [2020-11-12 06:19:50,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:50,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808049394] [2020-11-12 06:19:50,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:50,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808049394] [2020-11-12 06:19:50,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:50,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:50,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522430428] [2020-11-12 06:19:50,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:50,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:50,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:50,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:50,281 INFO L87 Difference]: Start difference. First operand 9551 states and 15636 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:50,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:50,428 INFO L93 Difference]: Finished difference Result 10511 states and 17388 transitions. [2020-11-12 06:19:50,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:50,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2020-11-12 06:19:50,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:50,447 INFO L225 Difference]: With dead ends: 10511 [2020-11-12 06:19:50,448 INFO L226 Difference]: Without dead ends: 7414 [2020-11-12 06:19:50,448 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:50,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7414 states. [2020-11-12 06:19:50,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7414 to 7414. [2020-11-12 06:19:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7414 states, 7014 states have (on average 1.7924151696606787) internal successors, (12572), 7413 states have internal predecessors, (12572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:50,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7414 states to 7414 states and 12572 transitions. [2020-11-12 06:19:50,749 INFO L78 Accepts]: Start accepts. Automaton has 7414 states and 12572 transitions. Word has length 52 [2020-11-12 06:19:50,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:50,750 INFO L481 AbstractCegarLoop]: Abstraction has 7414 states and 12572 transitions. [2020-11-12 06:19:50,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 7414 states and 12572 transitions. [2020-11-12 06:19:50,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-12 06:19:50,776 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:50,776 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:50,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 06:19:50,777 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:50,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:50,777 INFO L82 PathProgramCache]: Analyzing trace with hash 186754529, now seen corresponding path program 1 times [2020-11-12 06:19:50,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:50,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759416076] [2020-11-12 06:19:50,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:50,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759416076] [2020-11-12 06:19:50,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:50,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:50,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367230412] [2020-11-12 06:19:50,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:50,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:50,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:50,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:50,971 INFO L87 Difference]: Start difference. First operand 7414 states and 12572 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:51,234 INFO L93 Difference]: Finished difference Result 9634 states and 17939 transitions. [2020-11-12 06:19:51,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:51,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2020-11-12 06:19:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:51,260 INFO L225 Difference]: With dead ends: 9634 [2020-11-12 06:19:51,261 INFO L226 Difference]: Without dead ends: 7234 [2020-11-12 06:19:51,261 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2020-11-12 06:19:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7234. [2020-11-12 06:19:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7234 states, 6838 states have (on average 1.786633518572682) internal successors, (12217), 7233 states have internal predecessors, (12217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 12217 transitions. [2020-11-12 06:19:51,410 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 12217 transitions. Word has length 54 [2020-11-12 06:19:51,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:51,410 INFO L481 AbstractCegarLoop]: Abstraction has 7234 states and 12217 transitions. [2020-11-12 06:19:51,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 12217 transitions. [2020-11-12 06:19:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-12 06:19:51,428 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:51,428 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:51,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 06:19:51,428 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:51,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:51,429 INFO L82 PathProgramCache]: Analyzing trace with hash -599761193, now seen corresponding path program 1 times [2020-11-12 06:19:51,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:51,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129664703] [2020-11-12 06:19:51,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:51,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:51,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129664703] [2020-11-12 06:19:51,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:51,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:51,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80850291] [2020-11-12 06:19:51,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:51,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:51,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:51,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:51,547 INFO L87 Difference]: Start difference. First operand 7234 states and 12217 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:51,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:51,757 INFO L93 Difference]: Finished difference Result 8566 states and 15821 transitions. [2020-11-12 06:19:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:19:51,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2020-11-12 06:19:51,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:51,773 INFO L225 Difference]: With dead ends: 8566 [2020-11-12 06:19:51,773 INFO L226 Difference]: Without dead ends: 6306 [2020-11-12 06:19:51,773 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 06:19:51,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states. [2020-11-12 06:19:51,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 6306. [2020-11-12 06:19:51,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6306 states, 5946 states have (on average 1.7384796501849984) internal successors, (10337), 6305 states have internal predecessors, (10337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:51,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6306 states to 6306 states and 10337 transitions. [2020-11-12 06:19:51,976 INFO L78 Accepts]: Start accepts. Automaton has 6306 states and 10337 transitions. Word has length 55 [2020-11-12 06:19:51,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:51,976 INFO L481 AbstractCegarLoop]: Abstraction has 6306 states and 10337 transitions. [2020-11-12 06:19:51,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 6306 states and 10337 transitions. [2020-11-12 06:19:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-12 06:19:51,986 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:51,987 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:51,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 06:19:51,987 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:51,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:51,987 INFO L82 PathProgramCache]: Analyzing trace with hash -562614708, now seen corresponding path program 1 times [2020-11-12 06:19:51,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:51,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350357334] [2020-11-12 06:19:51,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:52,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350357334] [2020-11-12 06:19:52,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:52,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 06:19:52,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869517427] [2020-11-12 06:19:52,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 06:19:52,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:52,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 06:19:52,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 06:19:52,105 INFO L87 Difference]: Start difference. First operand 6306 states and 10337 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:52,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:52,350 INFO L93 Difference]: Finished difference Result 6009 states and 10733 transitions. [2020-11-12 06:19:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 06:19:52,351 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2020-11-12 06:19:52,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:52,361 INFO L225 Difference]: With dead ends: 6009 [2020-11-12 06:19:52,362 INFO L226 Difference]: Without dead ends: 4329 [2020-11-12 06:19:52,362 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-12 06:19:52,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2020-11-12 06:19:52,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 4329. [2020-11-12 06:19:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4329 states, 4086 states have (on average 1.600342633382281) internal successors, (6539), 4328 states have internal predecessors, (6539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 4329 states and 6539 transitions. [2020-11-12 06:19:52,446 INFO L78 Accepts]: Start accepts. Automaton has 4329 states and 6539 transitions. Word has length 56 [2020-11-12 06:19:52,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:52,446 INFO L481 AbstractCegarLoop]: Abstraction has 4329 states and 6539 transitions. [2020-11-12 06:19:52,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:52,446 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 6539 transitions. [2020-11-12 06:19:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-12 06:19:52,453 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:52,454 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:52,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 06:19:52,454 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:52,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:52,454 INFO L82 PathProgramCache]: Analyzing trace with hash 622053191, now seen corresponding path program 1 times [2020-11-12 06:19:52,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:52,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509005741] [2020-11-12 06:19:52,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:52,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:52,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509005741] [2020-11-12 06:19:52,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:52,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-12 06:19:52,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137690242] [2020-11-12 06:19:52,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-12 06:19:52,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:52,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-12 06:19:52,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-12 06:19:52,580 INFO L87 Difference]: Start difference. First operand 4329 states and 6539 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:52,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:52,871 INFO L93 Difference]: Finished difference Result 3033 states and 4964 transitions. [2020-11-12 06:19:52,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-12 06:19:52,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2020-11-12 06:19:52,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:52,876 INFO L225 Difference]: With dead ends: 3033 [2020-11-12 06:19:52,876 INFO L226 Difference]: Without dead ends: 1842 [2020-11-12 06:19:52,876 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-11-12 06:19:52,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2020-11-12 06:19:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1842. [2020-11-12 06:19:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1761 states have (on average 1.43725156161272) internal successors, (2531), 1841 states have internal predecessors, (2531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2531 transitions. [2020-11-12 06:19:52,908 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2531 transitions. Word has length 58 [2020-11-12 06:19:52,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:52,908 INFO L481 AbstractCegarLoop]: Abstraction has 1842 states and 2531 transitions. [2020-11-12 06:19:52,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2531 transitions. [2020-11-12 06:19:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-12 06:19:52,912 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:52,912 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:52,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-12 06:19:52,912 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:52,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:52,913 INFO L82 PathProgramCache]: Analyzing trace with hash -2073557176, now seen corresponding path program 1 times [2020-11-12 06:19:52,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:52,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094432151] [2020-11-12 06:19:52,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:53,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:53,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094432151] [2020-11-12 06:19:53,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:53,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:53,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735074621] [2020-11-12 06:19:53,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:53,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:53,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:53,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:53,058 INFO L87 Difference]: Start difference. First operand 1842 states and 2531 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:53,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:53,167 INFO L93 Difference]: Finished difference Result 3012 states and 4315 transitions. [2020-11-12 06:19:53,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:19:53,168 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2020-11-12 06:19:53,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:53,171 INFO L225 Difference]: With dead ends: 3012 [2020-11-12 06:19:53,171 INFO L226 Difference]: Without dead ends: 1544 [2020-11-12 06:19:53,172 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:53,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2020-11-12 06:19:53,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1544. [2020-11-12 06:19:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1463 states have (on average 1.4771018455228981) internal successors, (2161), 1543 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2161 transitions. [2020-11-12 06:19:53,206 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2161 transitions. Word has length 60 [2020-11-12 06:19:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:53,206 INFO L481 AbstractCegarLoop]: Abstraction has 1544 states and 2161 transitions. [2020-11-12 06:19:53,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2161 transitions. [2020-11-12 06:19:53,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-12 06:19:53,210 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:53,210 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:53,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-12 06:19:53,210 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:53,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:53,211 INFO L82 PathProgramCache]: Analyzing trace with hash 992791658, now seen corresponding path program 2 times [2020-11-12 06:19:53,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:53,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772022591] [2020-11-12 06:19:53,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:53,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772022591] [2020-11-12 06:19:53,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:53,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:53,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692686226] [2020-11-12 06:19:53,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:53,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:53,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:53,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:53,320 INFO L87 Difference]: Start difference. First operand 1544 states and 2161 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:53,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:53,407 INFO L93 Difference]: Finished difference Result 1220 states and 1837 transitions. [2020-11-12 06:19:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:19:53,407 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2020-11-12 06:19:53,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:53,408 INFO L225 Difference]: With dead ends: 1220 [2020-11-12 06:19:53,408 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 06:19:53,408 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:53,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 06:19:53,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 06:19:53,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:53,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 06:19:53,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-11-12 06:19:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:53,410 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 06:19:53,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 06:19:53,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 06:19:53,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-12 06:19:53,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:19:53 BasicIcfg [2020-11-12 06:19:53,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 06:19:53,418 INFO L168 Benchmark]: Toolchain (without parser) took 22078.65 ms. Allocated memory was 302.0 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 277.1 MB in the beginning and 6.0 GB in the end (delta: -5.7 GB). Peak memory consumption was 565.8 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:53,418 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:19:53,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.17 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 244.1 MB in the end (delta: 32.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:53,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.01 ms. Allocated memory is still 302.0 MB. Free memory was 244.1 MB in the beginning and 242.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:53,420 INFO L168 Benchmark]: Boogie Preprocessor took 32.43 ms. Allocated memory is still 302.0 MB. Free memory was 242.1 MB in the beginning and 240.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:19:53,421 INFO L168 Benchmark]: RCFGBuilder took 702.65 ms. Allocated memory is still 302.0 MB. Free memory was 240.8 MB in the beginning and 260.4 MB in the end (delta: -19.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:53,422 INFO L168 Benchmark]: TraceAbstraction took 20645.83 ms. Allocated memory was 302.0 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 259.3 MB in the beginning and 6.0 GB in the end (delta: -5.7 GB). Peak memory consumption was 546.6 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:53,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 627.17 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 244.1 MB in the end (delta: 32.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.01 ms. Allocated memory is still 302.0 MB. Free memory was 244.1 MB in the beginning and 242.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.43 ms. Allocated memory is still 302.0 MB. Free memory was 242.1 MB in the beginning and 240.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 702.65 ms. Allocated memory is still 302.0 MB. Free memory was 240.8 MB in the beginning and 260.4 MB in the end (delta: -19.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20645.83 ms. Allocated memory was 302.0 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 259.3 MB in the beginning and 6.0 GB in the end (delta: -5.7 GB). Peak memory consumption was 546.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.4s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.0s, HoareTripleCheckerStatistics: 935 SDtfs, 1517 SDslu, 3400 SDs, 0 SdLazy, 436 SolverSat, 111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54312occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 3584 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 589 NumberOfCodeBlocks, 589 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 84802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...