/usr/bin/java -Xmx8000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 12:55:36,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 12:55:36,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 12:55:36,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 12:55:36,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 12:55:36,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 12:55:36,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 12:55:36,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 12:55:36,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 12:55:36,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 12:55:36,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 12:55:36,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 12:55:36,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 12:55:36,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 12:55:36,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 12:55:36,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 12:55:36,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 12:55:36,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 12:55:36,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 12:55:36,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 12:55:36,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 12:55:36,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 12:55:36,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 12:55:36,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 12:55:36,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 12:55:36,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 12:55:36,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 12:55:36,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 12:55:36,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 12:55:36,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 12:55:36,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 12:55:36,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 12:55:36,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 12:55:36,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 12:55:36,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 12:55:36,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 12:55:36,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 12:55:36,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 12:55:36,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 12:55:36,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 12:55:36,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 12:55:36,483 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 12:55:36,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 12:55:36,484 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 12:55:36,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 12:55:36,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 12:55:36,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 12:55:36,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 12:55:36,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 12:55:36,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 12:55:36,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 12:55:36,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 12:55:36,487 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 12:55:36,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 12:55:36,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 12:55:36,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 12:55:36,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 12:55:36,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 12:55:36,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:55:36,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 12:55:36,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 12:55:36,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 12:55:36,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 12:55:36,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 12:55:36,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 12:55:36,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 12:55:36,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 12:55:36,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 12:55:36,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 12:55:36,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 12:55:36,968 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 12:55:36,968 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 12:55:36,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-11-09 12:55:37,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8893e6531/73db868c7b60488eb889ecd4d5a8e27c/FLAGb761c315d [2020-11-09 12:55:37,803 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 12:55:37,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-11-09 12:55:37,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8893e6531/73db868c7b60488eb889ecd4d5a8e27c/FLAGb761c315d [2020-11-09 12:55:38,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8893e6531/73db868c7b60488eb889ecd4d5a8e27c [2020-11-09 12:55:38,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 12:55:38,106 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 12:55:38,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 12:55:38,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 12:55:38,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 12:55:38,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a0978a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38, skipping insertion in model container [2020-11-09 12:55:38,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 12:55:38,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 12:55:38,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:55:38,629 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 12:55:38,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:55:38,840 INFO L208 MainTranslator]: Completed translation [2020-11-09 12:55:38,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38 WrapperNode [2020-11-09 12:55:38,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 12:55:38,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 12:55:38,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 12:55:38,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 12:55:38,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 12:55:38,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 12:55:38,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 12:55:38,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 12:55:38,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 12:55:38,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 12:55:38,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 12:55:38,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 12:55:38,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (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 [2020-11-09 12:55:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 12:55:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 12:55:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 12:55:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 12:55:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 12:55:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 12:55:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 12:55:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 12:55:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-09 12:55:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-09 12:55:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-09 12:55:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-09 12:55:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 12:55:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 12:55:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 12:55:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 12:55:39,023 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 12:55:39,846 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 12:55:39,847 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 12:55:39,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:39 BoogieIcfgContainer [2020-11-09 12:55:39,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 12:55:39,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 12:55:39,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 12:55:39,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 12:55:39,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:55:38" (1/3) ... [2020-11-09 12:55:39,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3960ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:55:39, skipping insertion in model container [2020-11-09 12:55:39,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38" (2/3) ... [2020-11-09 12:55:39,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3960ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:55:39, skipping insertion in model container [2020-11-09 12:55:39,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:39" (3/3) ... [2020-11-09 12:55:39,859 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2020-11-09 12:55:39,877 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 12:55:39,877 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 12:55:39,882 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 12:55:39,883 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 12:55:39,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,917 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,917 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,918 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,918 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,921 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,921 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,921 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,922 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,924 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,924 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,924 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,925 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,926 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,926 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,927 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,927 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,927 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,927 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,931 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,931 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,939 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,939 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,945 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,945 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,950 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:39,951 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:55:39,965 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 12:55:40,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:55:40,005 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:55:40,005 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:55:40,005 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:55:40,005 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:55:40,005 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:55:40,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:55:40,006 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:55:40,028 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:55:40,032 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 12:55:40,038 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 12:55:40,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 95 transitions, 210 flow [2020-11-09 12:55:40,109 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-11-09 12:55:40,110 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 12:55:40,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-11-09 12:55:40,123 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2020-11-09 12:55:43,391 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 12:55:43,545 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 12:55:44,403 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 12:55:44,558 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 12:55:44,861 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 12:55:44,985 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 12:55:45,061 INFO L131 LiptonReduction]: Checked pairs total: 4418 [2020-11-09 12:55:45,061 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-11-09 12:55:45,068 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-11-09 12:55:45,169 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-11-09 12:55:45,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-11-09 12:55:45,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 12:55:45,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:45,183 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:45,183 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:45,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:45,190 INFO L82 PathProgramCache]: Analyzing trace with hash 481695671, now seen corresponding path program 1 times [2020-11-09 12:55:45,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:45,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63636602] [2020-11-09 12:55:45,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:45,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63636602] [2020-11-09 12:55:45,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:45,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:55:45,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437067013] [2020-11-09 12:55:45,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 12:55:45,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:45,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 12:55:45,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 12:55:45,561 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-11-09 12:55:45,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:45,644 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-11-09 12:55:45,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 12:55:45,646 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-09 12:55:45,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:45,686 INFO L225 Difference]: With dead ends: 1450 [2020-11-09 12:55:45,686 INFO L226 Difference]: Without dead ends: 1194 [2020-11-09 12:55:45,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 12:55:45,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-11-09 12:55:45,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-11-09 12:55:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-11-09 12:55:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-11-09 12:55:45,882 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-11-09 12:55:45,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:45,883 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-11-09 12:55:45,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 12:55:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-11-09 12:55:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 12:55:45,919 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:45,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:45,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 12:55:45,919 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:45,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:45,920 INFO L82 PathProgramCache]: Analyzing trace with hash 2047662136, now seen corresponding path program 1 times [2020-11-09 12:55:45,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:45,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136117903] [2020-11-09 12:55:45,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:46,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136117903] [2020-11-09 12:55:46,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:46,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:55:46,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835789142] [2020-11-09 12:55:46,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:55:46,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:46,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:55:46,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:46,087 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 5 states. [2020-11-09 12:55:46,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:46,202 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-11-09 12:55:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 12:55:46,203 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-11-09 12:55:46,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:46,215 INFO L225 Difference]: With dead ends: 1322 [2020-11-09 12:55:46,215 INFO L226 Difference]: Without dead ends: 1066 [2020-11-09 12:55:46,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:55:46,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-11-09 12:55:46,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-11-09 12:55:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-11-09 12:55:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-11-09 12:55:46,271 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-11-09 12:55:46,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:46,273 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-11-09 12:55:46,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:55:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-11-09 12:55:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 12:55:46,281 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:46,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:46,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 12:55:46,281 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:46,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1638119967, now seen corresponding path program 1 times [2020-11-09 12:55:46,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:46,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757427235] [2020-11-09 12:55:46,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:46,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757427235] [2020-11-09 12:55:46,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:46,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:55:46,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829270322] [2020-11-09 12:55:46,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:55:46,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:46,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:55:46,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:55:46,436 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 4 states. [2020-11-09 12:55:46,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:46,479 INFO L93 Difference]: Finished difference Result 1162 states and 4016 transitions. [2020-11-09 12:55:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:55:46,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 12:55:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:46,490 INFO L225 Difference]: With dead ends: 1162 [2020-11-09 12:55:46,490 INFO L226 Difference]: Without dead ends: 970 [2020-11-09 12:55:46,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:46,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-11-09 12:55:46,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2020-11-09 12:55:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-11-09 12:55:46,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 3408 transitions. [2020-11-09 12:55:46,532 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 3408 transitions. Word has length 12 [2020-11-09 12:55:46,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:46,533 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 3408 transitions. [2020-11-09 12:55:46,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:55:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3408 transitions. [2020-11-09 12:55:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 12:55:46,535 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:46,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:46,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 12:55:46,537 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:46,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:46,539 INFO L82 PathProgramCache]: Analyzing trace with hash 757850280, now seen corresponding path program 1 times [2020-11-09 12:55:46,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:46,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643235651] [2020-11-09 12:55:46,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:46,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643235651] [2020-11-09 12:55:46,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:46,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 12:55:46,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977941668] [2020-11-09 12:55:46,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 12:55:46,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:46,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 12:55:46,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:55:46,682 INFO L87 Difference]: Start difference. First operand 970 states and 3408 transitions. Second operand 6 states. [2020-11-09 12:55:46,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:46,832 INFO L93 Difference]: Finished difference Result 1408 states and 4768 transitions. [2020-11-09 12:55:46,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 12:55:46,832 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-11-09 12:55:46,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:46,839 INFO L225 Difference]: With dead ends: 1408 [2020-11-09 12:55:46,839 INFO L226 Difference]: Without dead ends: 760 [2020-11-09 12:55:46,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-09 12:55:46,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-11-09 12:55:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2020-11-09 12:55:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2020-11-09 12:55:46,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 2490 transitions. [2020-11-09 12:55:46,872 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 2490 transitions. Word has length 13 [2020-11-09 12:55:46,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:46,873 INFO L481 AbstractCegarLoop]: Abstraction has 760 states and 2490 transitions. [2020-11-09 12:55:46,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 12:55:46,873 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 2490 transitions. [2020-11-09 12:55:46,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 12:55:46,874 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:46,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:46,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 12:55:46,875 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:46,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:46,875 INFO L82 PathProgramCache]: Analyzing trace with hash 442521126, now seen corresponding path program 1 times [2020-11-09 12:55:46,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:46,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072228488] [2020-11-09 12:55:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:46,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072228488] [2020-11-09 12:55:46,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:46,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:55:46,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226779062] [2020-11-09 12:55:46,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:55:46,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:46,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:55:46,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:55:46,982 INFO L87 Difference]: Start difference. First operand 760 states and 2490 transitions. Second operand 4 states. [2020-11-09 12:55:47,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,018 INFO L93 Difference]: Finished difference Result 814 states and 2592 transitions. [2020-11-09 12:55:47,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:55:47,019 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-09 12:55:47,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,025 INFO L225 Difference]: With dead ends: 814 [2020-11-09 12:55:47,025 INFO L226 Difference]: Without dead ends: 706 [2020-11-09 12:55:47,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:47,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-11-09 12:55:47,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2020-11-09 12:55:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-11-09 12:55:47,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2280 transitions. [2020-11-09 12:55:47,095 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2280 transitions. Word has length 14 [2020-11-09 12:55:47,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,095 INFO L481 AbstractCegarLoop]: Abstraction has 706 states and 2280 transitions. [2020-11-09 12:55:47,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:55:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2280 transitions. [2020-11-09 12:55:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:55:47,097 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:47,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:47,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 12:55:47,098 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:47,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:47,100 INFO L82 PathProgramCache]: Analyzing trace with hash 370381435, now seen corresponding path program 1 times [2020-11-09 12:55:47,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:47,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008510234] [2020-11-09 12:55:47,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:47,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008510234] [2020-11-09 12:55:47,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:47,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:55:47,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356196634] [2020-11-09 12:55:47,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:55:47,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:47,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:55:47,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:47,228 INFO L87 Difference]: Start difference. First operand 706 states and 2280 transitions. Second operand 5 states. [2020-11-09 12:55:47,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,319 INFO L93 Difference]: Finished difference Result 748 states and 2356 transitions. [2020-11-09 12:55:47,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 12:55:47,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-09 12:55:47,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,325 INFO L225 Difference]: With dead ends: 748 [2020-11-09 12:55:47,326 INFO L226 Difference]: Without dead ends: 664 [2020-11-09 12:55:47,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:55:47,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-11-09 12:55:47,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 664. [2020-11-09 12:55:47,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-11-09 12:55:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 2120 transitions. [2020-11-09 12:55:47,355 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 2120 transitions. Word has length 15 [2020-11-09 12:55:47,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,356 INFO L481 AbstractCegarLoop]: Abstraction has 664 states and 2120 transitions. [2020-11-09 12:55:47,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:55:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 2120 transitions. [2020-11-09 12:55:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 12:55:47,358 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:47,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:47,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 12:55:47,359 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:47,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:47,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1067611378, now seen corresponding path program 1 times [2020-11-09 12:55:47,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:47,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266466672] [2020-11-09 12:55:47,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:47,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266466672] [2020-11-09 12:55:47,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:47,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:55:47,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796771161] [2020-11-09 12:55:47,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:55:47,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:47,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:55:47,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:47,457 INFO L87 Difference]: Start difference. First operand 664 states and 2120 transitions. Second operand 5 states. [2020-11-09 12:55:47,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,524 INFO L93 Difference]: Finished difference Result 823 states and 2565 transitions. [2020-11-09 12:55:47,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:55:47,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-09 12:55:47,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,529 INFO L225 Difference]: With dead ends: 823 [2020-11-09 12:55:47,529 INFO L226 Difference]: Without dead ends: 370 [2020-11-09 12:55:47,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 12:55:47,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-11-09 12:55:47,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2020-11-09 12:55:47,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2020-11-09 12:55:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 1064 transitions. [2020-11-09 12:55:47,546 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 1064 transitions. Word has length 16 [2020-11-09 12:55:47,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,550 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 1064 transitions. [2020-11-09 12:55:47,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:55:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1064 transitions. [2020-11-09 12:55:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 12:55:47,553 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:47,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:47,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 12:55:47,554 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:47,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:47,554 INFO L82 PathProgramCache]: Analyzing trace with hash -2145114506, now seen corresponding path program 1 times [2020-11-09 12:55:47,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:47,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908397563] [2020-11-09 12:55:47,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:47,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908397563] [2020-11-09 12:55:47,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:47,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:55:47,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644320190] [2020-11-09 12:55:47,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:55:47,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:47,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:55:47,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:47,654 INFO L87 Difference]: Start difference. First operand 370 states and 1064 transitions. Second operand 5 states. [2020-11-09 12:55:47,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,723 INFO L93 Difference]: Finished difference Result 424 states and 1205 transitions. [2020-11-09 12:55:47,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:55:47,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 12:55:47,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,726 INFO L225 Difference]: With dead ends: 424 [2020-11-09 12:55:47,726 INFO L226 Difference]: Without dead ends: 214 [2020-11-09 12:55:47,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 12:55:47,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-11-09 12:55:47,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2020-11-09 12:55:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-11-09 12:55:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 566 transitions. [2020-11-09 12:55:47,737 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 566 transitions. Word has length 17 [2020-11-09 12:55:47,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,737 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 566 transitions. [2020-11-09 12:55:47,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:55:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 566 transitions. [2020-11-09 12:55:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:55:47,739 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:47,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:47,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 12:55:47,739 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:47,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:47,740 INFO L82 PathProgramCache]: Analyzing trace with hash 243529614, now seen corresponding path program 1 times [2020-11-09 12:55:47,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:47,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816691183] [2020-11-09 12:55:47,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:47,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816691183] [2020-11-09 12:55:47,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:47,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:55:47,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369657531] [2020-11-09 12:55:47,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:55:47,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:47,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:55:47,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:47,831 INFO L87 Difference]: Start difference. First operand 214 states and 566 transitions. Second operand 5 states. [2020-11-09 12:55:47,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,885 INFO L93 Difference]: Finished difference Result 190 states and 490 transitions. [2020-11-09 12:55:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:55:47,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-09 12:55:47,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,886 INFO L225 Difference]: With dead ends: 190 [2020-11-09 12:55:47,886 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 12:55:47,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 12:55:47,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 12:55:47,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 12:55:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 12:55:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 12:55:47,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-09 12:55:47,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,888 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 12:55:47,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:55:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 12:55:47,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 12:55:47,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 12:55:47,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:55:47 BasicIcfg [2020-11-09 12:55:47,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 12:55:47,897 INFO L168 Benchmark]: Toolchain (without parser) took 9795.40 ms. Allocated memory was 159.4 MB in the beginning and 230.7 MB in the end (delta: 71.3 MB). Free memory was 133.1 MB in the beginning and 110.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 94.6 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:47,898 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 158.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 12:55:47,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.94 ms. Allocated memory is still 159.4 MB. Free memory was 132.4 MB in the beginning and 137.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:47,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.05 ms. Allocated memory is still 159.4 MB. Free memory was 137.3 MB in the beginning and 135.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:47,903 INFO L168 Benchmark]: Boogie Preprocessor took 32.86 ms. Allocated memory is still 159.4 MB. Free memory was 135.2 MB in the beginning and 133.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:47,904 INFO L168 Benchmark]: RCFGBuilder took 923.04 ms. Allocated memory is still 159.4 MB. Free memory was 133.6 MB in the beginning and 109.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:47,912 INFO L168 Benchmark]: TraceAbstraction took 8043.34 ms. Allocated memory was 159.4 MB in the beginning and 230.7 MB in the end (delta: 71.3 MB). Free memory was 108.5 MB in the beginning and 110.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 69.4 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:47,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 158.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 733.94 ms. Allocated memory is still 159.4 MB. Free memory was 132.4 MB in the beginning and 137.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.05 ms. Allocated memory is still 159.4 MB. Free memory was 137.3 MB in the beginning and 135.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.86 ms. Allocated memory is still 159.4 MB. Free memory was 135.2 MB in the beginning and 133.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 923.04 ms. Allocated memory is still 159.4 MB. Free memory was 133.6 MB in the beginning and 109.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8043.34 ms. Allocated memory was 159.4 MB in the beginning and 230.7 MB in the end (delta: 71.3 MB). Free memory was 108.5 MB in the beginning and 110.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 69.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1644 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 49 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 172 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.0s, 105 PlacesBefore, 41 PlacesAfterwards, 95 TransitionsBefore, 29 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 4418 MoverChecksTotal - 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, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.8s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: 244 SDtfs, 359 SDslu, 434 SDs, 0 SdLazy, 147 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1450occurred 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 6575 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...