/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/safe013_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 06:16:35,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 06:16:35,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 06:16:35,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 06:16:35,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 06:16:35,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 06:16:35,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 06:16:35,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 06:16:35,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 06:16:35,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 06:16:35,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 06:16:35,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 06:16:35,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 06:16:35,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 06:16:35,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 06:16:35,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 06:16:35,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 06:16:35,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 06:16:35,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 06:16:35,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 06:16:35,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 06:16:35,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 06:16:35,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 06:16:35,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 06:16:35,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 06:16:35,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 06:16:35,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 06:16:35,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 06:16:35,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 06:16:35,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 06:16:35,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 06:16:35,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 06:16:35,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 06:16:35,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 06:16:35,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 06:16:35,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 06:16:35,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 06:16:35,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 06:16:35,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 06:16:35,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 06:16:35,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 06:16:35,285 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 06:16:35,343 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 06:16:35,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 06:16:35,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 06:16:35,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 06:16:35,349 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 06:16:35,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 06:16:35,349 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 06:16:35,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 06:16:35,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 06:16:35,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 06:16:35,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 06:16:35,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 06:16:35,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 06:16:35,353 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 06:16:35,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 06:16:35,353 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 06:16:35,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 06:16:35,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 06:16:35,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 06:16:35,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 06:16:35,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 06:16:35,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:16:35,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 06:16:35,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 06:16:35,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 06:16:35,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 06:16:35,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 06:16:35,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 06:16:35,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 06:16:35,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 06:16:35,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 06:16:35,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 06:16:35,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 06:16:35,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 06:16:35,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 06:16:35,895 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 06:16:35,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.opt.i [2020-11-12 06:16:35,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5828dc72a/4f8ea29a6d8f4d849c3d9d5552818471/FLAG77d498eb3 [2020-11-12 06:16:36,797 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 06:16:36,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.opt.i [2020-11-12 06:16:36,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5828dc72a/4f8ea29a6d8f4d849c3d9d5552818471/FLAG77d498eb3 [2020-11-12 06:16:37,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5828dc72a/4f8ea29a6d8f4d849c3d9d5552818471 [2020-11-12 06:16:37,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 06:16:37,045 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 06:16:37,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 06:16:37,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 06:16:37,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 06:16:37,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229b5e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37, skipping insertion in model container [2020-11-12 06:16:37,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 06:16:37,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 06:16:37,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:16:37,568 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 06:16:37,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:16:37,733 INFO L208 MainTranslator]: Completed translation [2020-11-12 06:16:37,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37 WrapperNode [2020-11-12 06:16:37,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 06:16:37,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 06:16:37,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 06:16:37,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 06:16:37,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 06:16:37,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 06:16:37,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 06:16:37,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 06:16:37,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (1/1) ... [2020-11-12 06:16:37,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 06:16:37,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 06:16:37,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 06:16:37,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 06:16:37,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (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 06:16:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 06:16:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 06:16:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 06:16:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 06:16:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 06:16:37,929 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 06:16:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 06:16:37,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 06:16:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 06:16:37,932 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 06:16:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 06:16:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 06:16:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 06:16:37,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 06:16:37,934 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 06:16:38,328 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 06:16:38,328 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 06:16:38,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:16:38 BoogieIcfgContainer [2020-11-12 06:16:38,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 06:16:38,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 06:16:38,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 06:16:38,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 06:16:38,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:16:37" (1/3) ... [2020-11-12 06:16:38,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444882a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:16:38, skipping insertion in model container [2020-11-12 06:16:38,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:37" (2/3) ... [2020-11-12 06:16:38,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444882a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:16:38, skipping insertion in model container [2020-11-12 06:16:38,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:16:38" (3/3) ... [2020-11-12 06:16:38,340 INFO L111 eAbstractionObserver]: Analyzing ICFG safe013_tso.opt.i [2020-11-12 06:16:38,358 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 06:16:38,358 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 06:16:38,362 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 06:16:38,363 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 06:16:38,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,429 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,429 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,431 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,431 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,432 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,434 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,436 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,436 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,436 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,438 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,439 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,439 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,441 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,443 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,444 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,446 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,446 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,447 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,447 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,447 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,448 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,448 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,448 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,476 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,476 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,486 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,486 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,487 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,487 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:16:38,498 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 06:16:38,515 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 06:16:38,557 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 06:16:38,558 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 06:16:38,558 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 06:16:38,558 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 06:16:38,558 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 06:16:38,558 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 06:16:38,558 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 06:16:38,559 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 06:16:38,581 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 79 transitions, 173 flow [2020-11-12 06:16:39,700 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9848 states, 9846 states have (on average 3.614665854153971) internal successors, (35590), 9847 states have internal predecessors, (35590), 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 06:16:40,352 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 647ms [2020-11-12 06:16:40,402 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 9848 states, 9846 states have (on average 3.614665854153971) internal successors, (35590), 9847 states have internal predecessors, (35590), 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 06:16:40,424 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 9848 states, 9112 states have (on average 1.3794995610184373) internal successors, (12570), 9847 states have internal predecessors, (12570), 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 06:16:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 9848 states, 9112 states have (on average 1.3794995610184373) internal successors, (12570), 9847 states have internal predecessors, (12570), 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 06:16:40,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-12 06:16:40,500 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:16:40,501 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] [2020-11-12 06:16:40,501 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:16:40,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:16:40,508 INFO L82 PathProgramCache]: Analyzing trace with hash 407701414, now seen corresponding path program 1 times [2020-11-12 06:16:40,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:16:40,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137754066] [2020-11-12 06:16:40,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:16:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:16:40,933 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 06:16:40,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137754066] [2020-11-12 06:16:40,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:16:40,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:16:40,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439108402] [2020-11-12 06:16:40,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:16:40,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:16:40,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:16:40,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:16:40,968 INFO L87 Difference]: Start difference. First operand has 9848 states, 9112 states have (on average 1.3794995610184373) internal successors, (12570), 9847 states have internal predecessors, (12570), 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 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 06:16:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:16:41,205 INFO L93 Difference]: Finished difference Result 12200 states and 14131 transitions. [2020-11-12 06:16:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:16:41,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2020-11-12 06:16:41,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:16:41,245 INFO L225 Difference]: With dead ends: 12200 [2020-11-12 06:16:41,245 INFO L226 Difference]: Without dead ends: 3815 [2020-11-12 06:16:41,247 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:16:41,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2020-11-12 06:16:41,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3815. [2020-11-12 06:16:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3815 states, 3570 states have (on average 1.4280112044817928) internal successors, (5098), 3814 states have internal predecessors, (5098), 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 06:16:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 5098 transitions. [2020-11-12 06:16:41,564 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 5098 transitions. Word has length 42 [2020-11-12 06:16:41,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:16:41,565 INFO L481 AbstractCegarLoop]: Abstraction has 3815 states and 5098 transitions. [2020-11-12 06:16:41,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 06:16:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 5098 transitions. [2020-11-12 06:16:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-12 06:16:41,573 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:16:41,573 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] [2020-11-12 06:16:41,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 06:16:41,573 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:16:41,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:16:41,574 INFO L82 PathProgramCache]: Analyzing trace with hash 410392453, now seen corresponding path program 1 times [2020-11-12 06:16:41,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:16:41,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761215988] [2020-11-12 06:16:41,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:16:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:16:41,753 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 06:16:41,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761215988] [2020-11-12 06:16:41,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:16:41,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:16:41,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968438288] [2020-11-12 06:16:41,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:16:41,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:16:41,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:16:41,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:16:41,759 INFO L87 Difference]: Start difference. First operand 3815 states and 5098 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 06:16:41,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:16:41,919 INFO L93 Difference]: Finished difference Result 4683 states and 6189 transitions. [2020-11-12 06:16:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:16:41,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 44 [2020-11-12 06:16:41,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:16:41,938 INFO L225 Difference]: With dead ends: 4683 [2020-11-12 06:16:41,938 INFO L226 Difference]: Without dead ends: 3633 [2020-11-12 06:16:41,939 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:16:41,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3633 states. [2020-11-12 06:16:42,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3633 to 3633. [2020-11-12 06:16:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3633 states, 3402 states have (on average 1.4329805996472662) internal successors, (4875), 3632 states have internal predecessors, (4875), 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 06:16:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3633 states to 3633 states and 4875 transitions. [2020-11-12 06:16:42,049 INFO L78 Accepts]: Start accepts. Automaton has 3633 states and 4875 transitions. Word has length 44 [2020-11-12 06:16:42,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:16:42,050 INFO L481 AbstractCegarLoop]: Abstraction has 3633 states and 4875 transitions. [2020-11-12 06:16:42,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 06:16:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3633 states and 4875 transitions. [2020-11-12 06:16:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 06:16:42,093 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:16:42,093 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] [2020-11-12 06:16:42,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 06:16:42,094 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:16:42,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:16:42,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1509155095, now seen corresponding path program 1 times [2020-11-12 06:16:42,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:16:42,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383160636] [2020-11-12 06:16:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:16:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:16:42,278 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 06:16:42,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383160636] [2020-11-12 06:16:42,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:16:42,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:16:42,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397246145] [2020-11-12 06:16:42,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:16:42,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:16:42,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:16:42,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:16:42,281 INFO L87 Difference]: Start difference. First operand 3633 states and 4875 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 06:16:42,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:16:42,468 INFO L93 Difference]: Finished difference Result 4565 states and 6581 transitions. [2020-11-12 06:16:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:16:42,469 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 45 [2020-11-12 06:16:42,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:16:42,479 INFO L225 Difference]: With dead ends: 4565 [2020-11-12 06:16:42,480 INFO L226 Difference]: Without dead ends: 2115 [2020-11-12 06:16:42,480 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 06:16:42,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2020-11-12 06:16:42,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2115. [2020-11-12 06:16:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2115 states, 1983 states have (on average 1.4725163893091275) internal successors, (2920), 2114 states have internal predecessors, (2920), 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 06:16:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2920 transitions. [2020-11-12 06:16:42,546 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2920 transitions. Word has length 45 [2020-11-12 06:16:42,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:16:42,547 INFO L481 AbstractCegarLoop]: Abstraction has 2115 states and 2920 transitions. [2020-11-12 06:16:42,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 06:16:42,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2920 transitions. [2020-11-12 06:16:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 06:16:42,552 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:16:42,553 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:16:42,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 06:16:42,553 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:16:42,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:16:42,554 INFO L82 PathProgramCache]: Analyzing trace with hash 376577522, now seen corresponding path program 1 times [2020-11-12 06:16:42,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:16:42,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615470062] [2020-11-12 06:16:42,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:16:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:16:42,668 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 06:16:42,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615470062] [2020-11-12 06:16:42,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:16:42,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:16:42,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18315454] [2020-11-12 06:16:42,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:16:42,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:16:42,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:16:42,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:16:42,671 INFO L87 Difference]: Start difference. First operand 2115 states and 2920 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 06:16:42,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:16:42,811 INFO L93 Difference]: Finished difference Result 3747 states and 5252 transitions. [2020-11-12 06:16:42,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:16:42,811 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 06:16:42,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:16:42,823 INFO L225 Difference]: With dead ends: 3747 [2020-11-12 06:16:42,823 INFO L226 Difference]: Without dead ends: 2274 [2020-11-12 06:16:42,824 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:16:42,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-11-12 06:16:42,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 1634. [2020-11-12 06:16:42,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1534 states have (on average 1.4863102998696218) internal successors, (2280), 1633 states have internal predecessors, (2280), 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 06:16:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2280 transitions. [2020-11-12 06:16:42,901 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2280 transitions. Word has length 48 [2020-11-12 06:16:42,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:16:42,902 INFO L481 AbstractCegarLoop]: Abstraction has 1634 states and 2280 transitions. [2020-11-12 06:16:42,902 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 06:16:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2280 transitions. [2020-11-12 06:16:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 06:16:42,905 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:16:42,905 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 06:16:42,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 06:16:42,906 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:16:42,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:16:42,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1682301045, now seen corresponding path program 1 times [2020-11-12 06:16:42,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:16:42,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454608565] [2020-11-12 06:16:42,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:16:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:16:43,056 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 06:16:43,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454608565] [2020-11-12 06:16:43,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:16:43,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:16:43,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179723891] [2020-11-12 06:16:43,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:16:43,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:16:43,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:16:43,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:16:43,060 INFO L87 Difference]: Start difference. First operand 1634 states and 2280 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:16:43,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:16:43,181 INFO L93 Difference]: Finished difference Result 1982 states and 2895 transitions. [2020-11-12 06:16:43,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:16:43,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-11-12 06:16:43,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:16:43,190 INFO L225 Difference]: With dead ends: 1982 [2020-11-12 06:16:43,190 INFO L226 Difference]: Without dead ends: 1582 [2020-11-12 06:16:43,191 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:16:43,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2020-11-12 06:16:43,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1582. [2020-11-12 06:16:43,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1486 states have (on average 1.481157469717362) internal successors, (2201), 1581 states have internal predecessors, (2201), 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 06:16:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2201 transitions. [2020-11-12 06:16:43,234 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2201 transitions. Word has length 49 [2020-11-12 06:16:43,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:16:43,235 INFO L481 AbstractCegarLoop]: Abstraction has 1582 states and 2201 transitions. [2020-11-12 06:16:43,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:16:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2201 transitions. [2020-11-12 06:16:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-12 06:16:43,239 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:16:43,239 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] [2020-11-12 06:16:43,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 06:16:43,240 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:16:43,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:16:43,240 INFO L82 PathProgramCache]: Analyzing trace with hash -850375834, now seen corresponding path program 1 times [2020-11-12 06:16:43,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:16:43,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714974962] [2020-11-12 06:16:43,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:16:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:16:43,395 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 06:16:43,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714974962] [2020-11-12 06:16:43,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:16:43,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:16:43,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647339563] [2020-11-12 06:16:43,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:16:43,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:16:43,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:16:43,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:16:43,402 INFO L87 Difference]: Start difference. First operand 1582 states and 2201 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 06:16:43,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:16:43,583 INFO L93 Difference]: Finished difference Result 1654 states and 2424 transitions. [2020-11-12 06:16:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:16:43,584 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 50 [2020-11-12 06:16:43,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:16:43,590 INFO L225 Difference]: With dead ends: 1654 [2020-11-12 06:16:43,590 INFO L226 Difference]: Without dead ends: 1200 [2020-11-12 06:16:43,591 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 06:16:43,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2020-11-12 06:16:43,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1200. [2020-11-12 06:16:43,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1200 states, 1128 states have (on average 1.4734042553191489) internal successors, (1662), 1199 states have internal predecessors, (1662), 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 06:16:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1662 transitions. [2020-11-12 06:16:43,625 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1662 transitions. Word has length 50 [2020-11-12 06:16:43,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:16:43,625 INFO L481 AbstractCegarLoop]: Abstraction has 1200 states and 1662 transitions. [2020-11-12 06:16:43,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 06:16:43,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1662 transitions. [2020-11-12 06:16:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 06:16:43,629 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:16:43,629 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 06:16:43,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 06:16:43,629 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:16:43,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:16:43,630 INFO L82 PathProgramCache]: Analyzing trace with hash -175021243, now seen corresponding path program 1 times [2020-11-12 06:16:43,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:16:43,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419463042] [2020-11-12 06:16:43,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:16:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:16:43,779 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 06:16:43,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419463042] [2020-11-12 06:16:43,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:16:43,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 06:16:43,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500347679] [2020-11-12 06:16:43,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 06:16:43,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:16:43,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 06:16:43,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 06:16:43,782 INFO L87 Difference]: Start difference. First operand 1200 states and 1662 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 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 06:16:43,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:16:43,984 INFO L93 Difference]: Finished difference Result 903 states and 1347 transitions. [2020-11-12 06:16:43,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 06:16:43,985 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 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 06:16:43,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:16:43,988 INFO L225 Difference]: With dead ends: 903 [2020-11-12 06:16:43,988 INFO L226 Difference]: Without dead ends: 462 [2020-11-12 06:16:43,988 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-12 06:16:43,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-11-12 06:16:43,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2020-11-12 06:16:43,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 435 states have (on average 1.4666666666666666) internal successors, (638), 461 states have internal predecessors, (638), 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 06:16:44,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 638 transitions. [2020-11-12 06:16:44,001 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 638 transitions. Word has length 52 [2020-11-12 06:16:44,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:16:44,001 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 638 transitions. [2020-11-12 06:16:44,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 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 06:16:44,002 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 638 transitions. [2020-11-12 06:16:44,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-12 06:16:44,003 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:16:44,003 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 06:16:44,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 06:16:44,003 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:16:44,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:16:44,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1867111172, now seen corresponding path program 1 times [2020-11-12 06:16:44,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:16:44,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545996654] [2020-11-12 06:16:44,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:16:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:16:44,139 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 06:16:44,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545996654] [2020-11-12 06:16:44,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:16:44,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:16:44,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239322126] [2020-11-12 06:16:44,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:16:44,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:16:44,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:16:44,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:16:44,142 INFO L87 Difference]: Start difference. First operand 462 states and 638 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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 06:16:44,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:16:44,243 INFO L93 Difference]: Finished difference Result 354 states and 530 transitions. [2020-11-12 06:16:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:16:44,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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 06:16:44,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:16:44,244 INFO L225 Difference]: With dead ends: 354 [2020-11-12 06:16:44,244 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 06:16:44,244 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 06:16:44,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 06:16:44,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 06:16:44,245 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 06:16:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 06:16:44,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-11-12 06:16:44,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:16:44,246 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 06:16:44,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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 06:16:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 06:16:44,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 06:16:44,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 06:16:44,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:16:44 BasicIcfg [2020-11-12 06:16:44,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 06:16:44,261 INFO L168 Benchmark]: Toolchain (without parser) took 7214.20 ms. Allocated memory was 302.0 MB in the beginning and 627.0 MB in the end (delta: 325.1 MB). Free memory was 277.3 MB in the beginning and 509.7 MB in the end (delta: -232.4 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.0 GB. [2020-11-12 06:16:44,261 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:16:44,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.74 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 245.9 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-11-12 06:16:44,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.27 ms. Allocated memory is still 302.0 MB. Free memory was 245.9 MB in the beginning and 244.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:16:44,265 INFO L168 Benchmark]: Boogie Preprocessor took 50.90 ms. Allocated memory is still 302.0 MB. Free memory was 244.0 MB in the beginning and 285.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. [2020-11-12 06:16:44,265 INFO L168 Benchmark]: RCFGBuilder took 489.56 ms. Allocated memory is still 302.0 MB. Free memory was 285.0 MB in the beginning and 261.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:16:44,268 INFO L168 Benchmark]: TraceAbstraction took 5920.15 ms. Allocated memory was 302.0 MB in the beginning and 627.0 MB in the end (delta: 325.1 MB). Free memory was 261.9 MB in the beginning and 509.7 MB in the end (delta: -247.8 MB). Peak memory consumption was 77.2 MB. Max. memory is 16.0 GB. [2020-11-12 06:16:44,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 683.74 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 245.9 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.27 ms. Allocated memory is still 302.0 MB. Free memory was 245.9 MB in the beginning and 244.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 50.90 ms. Allocated memory is still 302.0 MB. Free memory was 244.0 MB in the beginning and 285.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. * RCFGBuilder took 489.56 ms. Allocated memory is still 302.0 MB. Free memory was 285.0 MB in the beginning and 261.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5920.15 ms. Allocated memory was 302.0 MB in the beginning and 627.0 MB in the end (delta: 325.1 MB). Free memory was 261.9 MB in the beginning and 509.7 MB in the end (delta: -247.8 MB). Peak memory consumption was 77.2 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 4 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 548 SDtfs, 734 SDslu, 2037 SDs, 0 SdLazy, 241 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9848occurred 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: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 640 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 46956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...