/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/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 15:46:58,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 15:46:58,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 15:46:58,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 15:46:58,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 15:46:58,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 15:46:58,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 15:46:58,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 15:46:58,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 15:46:58,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 15:46:58,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 15:46:58,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 15:46:58,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 15:46:58,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 15:46:58,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 15:46:58,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 15:46:58,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 15:46:58,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 15:46:58,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 15:46:58,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 15:46:58,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 15:46:58,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 15:46:58,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 15:46:58,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 15:46:58,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 15:46:58,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 15:46:58,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 15:46:58,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 15:46:58,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 15:46:58,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 15:46:58,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 15:46:58,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 15:46:58,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 15:46:58,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 15:46:58,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 15:46:58,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 15:46:58,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-11-09 15:46:58,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 15:46:58,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 15:46:58,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 15:46:58,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 15:46:58,277 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 15:46:58,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 15:46:58,277 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 15:46:58,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 15:46:58,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 15:46:58,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 15:46:58,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 15:46:58,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 15:46:58,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 15:46:58,280 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 15:46:58,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 15:46:58,280 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 15:46:58,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 15:46:58,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 15:46:58,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 15:46:58,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 15:46:58,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 15:46:58,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:46:58,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 15:46:58,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 15:46:58,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 15:46:58,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 15:46:58,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 15:46:58,282 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 15:46:58,283 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 15:46:58,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 15:46:58,283 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 15:46:58,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 15:46:58,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 15:46:58,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 15:46:58,738 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 15:46:58,739 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 15:46:58,740 INFO L432 ainManager$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 15:46:58,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4c435e56/a6c6ef87f34847f1901d3a7a33a6c081/FLAGc1f47869b [2020-11-09 15:46:59,633 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 15:46:59,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-11-09 15:46:59,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4c435e56/a6c6ef87f34847f1901d3a7a33a6c081/FLAGc1f47869b [2020-11-09 15:46:59,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4c435e56/a6c6ef87f34847f1901d3a7a33a6c081 [2020-11-09 15:46:59,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 15:46:59,915 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 15:46:59,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 15:46:59,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 15:46:59,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 15:46:59,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:46:59" (1/1) ... [2020-11-09 15:46:59,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c1167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:59, skipping insertion in model container [2020-11-09 15:46:59,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:46:59" (1/1) ... [2020-11-09 15:46:59,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 15:46:59,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 15:47:00,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:47:00,400 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 15:47:00,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:47:00,584 INFO L208 MainTranslator]: Completed translation [2020-11-09 15:47:00,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00 WrapperNode [2020-11-09 15:47:00,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 15:47:00,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 15:47:00,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 15:47:00,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 15:47:00,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (1/1) ... [2020-11-09 15:47:00,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (1/1) ... [2020-11-09 15:47:00,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 15:47:00,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 15:47:00,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 15:47:00,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 15:47:00,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (1/1) ... [2020-11-09 15:47:00,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (1/1) ... [2020-11-09 15:47:00,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (1/1) ... [2020-11-09 15:47:00,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (1/1) ... [2020-11-09 15:47:00,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (1/1) ... [2020-11-09 15:47:00,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (1/1) ... [2020-11-09 15:47:00,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (1/1) ... [2020-11-09 15:47:00,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 15:47:00,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 15:47:00,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 15:47:00,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 15:47:00,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (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 15:47:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 15:47:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 15:47:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 15:47:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 15:47:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 15:47:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 15:47:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 15:47:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 15:47:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-09 15:47:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-09 15:47:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-09 15:47:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-09 15:47:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 15:47:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 15:47:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 15:47:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 15:47:00,802 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 15:47:01,269 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 15:47:01,270 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 15:47:01,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:47:01 BoogieIcfgContainer [2020-11-09 15:47:01,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 15:47:01,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 15:47:01,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 15:47:01,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 15:47:01,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:46:59" (1/3) ... [2020-11-09 15:47:01,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddd8b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:47:01, skipping insertion in model container [2020-11-09 15:47:01,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:00" (2/3) ... [2020-11-09 15:47:01,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddd8b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:47:01, skipping insertion in model container [2020-11-09 15:47:01,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:47:01" (3/3) ... [2020-11-09 15:47:01,284 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2020-11-09 15:47:01,303 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 15:47:01,303 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 15:47:01,308 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 15:47:01,309 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 15:47:01,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,354 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,354 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,357 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,357 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,357 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,358 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,360 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,360 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,360 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,361 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,363 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,363 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,364 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,364 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,367 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,375 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,376 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,379 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,379 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,379 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,379 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,382 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,383 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:01,385 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:47:01,398 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 15:47:01,423 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:47:01,423 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:47:01,423 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:47:01,424 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:47:01,424 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:47:01,424 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:47:01,424 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:47:01,424 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:47:01,439 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:47:01,440 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 15:47:01,443 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 15:47:01,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 95 transitions, 210 flow [2020-11-09 15:47:01,541 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-11-09 15:47:01,541 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 15:47:01,546 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 15:47:01,550 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2020-11-09 15:47:04,681 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 15:47:04,843 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 15:47:05,650 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 15:47:05,803 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 15:47:06,093 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 15:47:06,227 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 15:47:06,255 INFO L131 LiptonReduction]: Checked pairs total: 4418 [2020-11-09 15:47:06,255 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-11-09 15:47:06,262 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-11-09 15:47:06,377 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-11-09 15:47:06,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-11-09 15:47:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 15:47:06,394 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:06,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:06,395 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:06,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:06,401 INFO L82 PathProgramCache]: Analyzing trace with hash 481695671, now seen corresponding path program 1 times [2020-11-09 15:47:06,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:06,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864374794] [2020-11-09 15:47:06,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:06,630 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 15:47:06,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864374794] [2020-11-09 15:47:06,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:06,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:47:06,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [408934136] [2020-11-09 15:47:06,637 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:06,642 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:06,662 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-11-09 15:47:06,662 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:06,669 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:06,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 15:47:06,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:06,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 15:47:06,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 15:47:06,692 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-11-09 15:47:06,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:06,751 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-11-09 15:47:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 15:47:06,753 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-09 15:47:06,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:06,797 INFO L225 Difference]: With dead ends: 1450 [2020-11-09 15:47:06,797 INFO L226 Difference]: Without dead ends: 1194 [2020-11-09 15:47:06,799 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 15:47:06,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-11-09 15:47:06,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-11-09 15:47:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-11-09 15:47:06,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-11-09 15:47:06,967 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-11-09 15:47:06,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:06,968 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-11-09 15:47:06,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 15:47:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-11-09 15:47:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 15:47:06,978 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:06,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:06,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 15:47:06,978 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:06,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:06,983 INFO L82 PathProgramCache]: Analyzing trace with hash 2047662136, now seen corresponding path program 1 times [2020-11-09 15:47:06,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:06,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549235471] [2020-11-09 15:47:06,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:07,182 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 15:47:07,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549235471] [2020-11-09 15:47:07,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:07,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:47:07,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [467431961] [2020-11-09 15:47:07,184 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:07,186 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:07,188 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-11-09 15:47:07,188 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:07,189 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:07,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:47:07,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:07,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:47:07,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:47:07,196 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-11-09 15:47:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:07,271 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-11-09 15:47:07,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:47:07,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-09 15:47:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:07,285 INFO L225 Difference]: With dead ends: 1322 [2020-11-09 15:47:07,285 INFO L226 Difference]: Without dead ends: 1066 [2020-11-09 15:47:07,288 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 15:47:07,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-11-09 15:47:07,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-11-09 15:47:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-11-09 15:47:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-11-09 15:47:07,355 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-11-09 15:47:07,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:07,355 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-11-09 15:47:07,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:47:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-11-09 15:47:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 15:47:07,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:07,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:07,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 15:47:07,360 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:07,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:07,371 INFO L82 PathProgramCache]: Analyzing trace with hash -947011909, now seen corresponding path program 1 times [2020-11-09 15:47:07,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:07,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063028840] [2020-11-09 15:47:07,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:07,521 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 15:47:07,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063028840] [2020-11-09 15:47:07,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:07,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:47:07,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1108999092] [2020-11-09 15:47:07,523 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:07,526 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:07,529 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 14 transitions. [2020-11-09 15:47:07,529 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:07,542 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:07,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:47:07,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:07,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:47:07,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:47:07,545 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 4 states. [2020-11-09 15:47:07,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:07,590 INFO L93 Difference]: Finished difference Result 1162 states and 4016 transitions. [2020-11-09 15:47:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:47:07,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 15:47:07,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:07,599 INFO L225 Difference]: With dead ends: 1162 [2020-11-09 15:47:07,600 INFO L226 Difference]: Without dead ends: 970 [2020-11-09 15:47:07,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 15:47:07,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-11-09 15:47:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2020-11-09 15:47:07,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-11-09 15:47:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 3408 transitions. [2020-11-09 15:47:07,643 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 3408 transitions. Word has length 12 [2020-11-09 15:47:07,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:07,643 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 3408 transitions. [2020-11-09 15:47:07,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:47:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3408 transitions. [2020-11-09 15:47:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 15:47:07,645 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:07,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:07,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 15:47:07,646 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:07,653 INFO L82 PathProgramCache]: Analyzing trace with hash 757859890, now seen corresponding path program 1 times [2020-11-09 15:47:07,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:07,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434576988] [2020-11-09 15:47:07,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:07,766 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 15:47:07,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434576988] [2020-11-09 15:47:07,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:07,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:47:07,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [34525979] [2020-11-09 15:47:07,767 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:07,769 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:07,771 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 30 transitions. [2020-11-09 15:47:07,772 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:07,864 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:07,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:47:07,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:07,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:47:07,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:07,866 INFO L87 Difference]: Start difference. First operand 970 states and 3408 transitions. Second operand 5 states. [2020-11-09 15:47:07,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:07,930 INFO L93 Difference]: Finished difference Result 1162 states and 3980 transitions. [2020-11-09 15:47:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:47:07,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 15:47:07,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:07,936 INFO L225 Difference]: With dead ends: 1162 [2020-11-09 15:47:07,937 INFO L226 Difference]: Without dead ends: 634 [2020-11-09 15:47:07,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 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 15:47:07,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-11-09 15:47:07,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-11-09 15:47:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-11-09 15:47:07,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2052 transitions. [2020-11-09 15:47:07,964 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 2052 transitions. Word has length 13 [2020-11-09 15:47:07,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:07,965 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 2052 transitions. [2020-11-09 15:47:07,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:47:07,965 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 2052 transitions. [2020-11-09 15:47:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 15:47:07,967 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:07,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:07,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 15:47:07,967 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:07,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:07,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1001829211, now seen corresponding path program 1 times [2020-11-09 15:47:07,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:07,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388645024] [2020-11-09 15:47:07,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:08,078 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 15:47:08,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388645024] [2020-11-09 15:47:08,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:08,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:47:08,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [172928729] [2020-11-09 15:47:08,081 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:08,083 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:08,090 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 66 transitions. [2020-11-09 15:47:08,090 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:08,204 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:08,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:47:08,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:08,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:47:08,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:47:08,206 INFO L87 Difference]: Start difference. First operand 634 states and 2052 transitions. Second operand 4 states. [2020-11-09 15:47:08,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:08,234 INFO L93 Difference]: Finished difference Result 670 states and 2118 transitions. [2020-11-09 15:47:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:47:08,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-09 15:47:08,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:08,239 INFO L225 Difference]: With dead ends: 670 [2020-11-09 15:47:08,240 INFO L226 Difference]: Without dead ends: 598 [2020-11-09 15:47:08,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 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 15:47:08,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-11-09 15:47:08,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2020-11-09 15:47:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-11-09 15:47:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1914 transitions. [2020-11-09 15:47:08,261 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1914 transitions. Word has length 15 [2020-11-09 15:47:08,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:08,262 INFO L481 AbstractCegarLoop]: Abstraction has 598 states and 1914 transitions. [2020-11-09 15:47:08,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:47:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1914 transitions. [2020-11-09 15:47:08,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 15:47:08,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:08,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:08,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 15:47:08,264 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:08,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:08,265 INFO L82 PathProgramCache]: Analyzing trace with hash -991972764, now seen corresponding path program 1 times [2020-11-09 15:47:08,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:08,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411107525] [2020-11-09 15:47:08,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:08,348 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 15:47:08,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411107525] [2020-11-09 15:47:08,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:08,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:47:08,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1810611872] [2020-11-09 15:47:08,349 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:08,351 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:08,363 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 162 transitions. [2020-11-09 15:47:08,363 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:08,737 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:08,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:47:08,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:08,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:47:08,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:08,739 INFO L87 Difference]: Start difference. First operand 598 states and 1914 transitions. Second operand 5 states. [2020-11-09 15:47:08,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:08,804 INFO L93 Difference]: Finished difference Result 712 states and 2245 transitions. [2020-11-09 15:47:08,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:47:08,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-09 15:47:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:08,808 INFO L225 Difference]: With dead ends: 712 [2020-11-09 15:47:08,808 INFO L226 Difference]: Without dead ends: 292 [2020-11-09 15:47:08,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 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 15:47:08,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-11-09 15:47:08,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-11-09 15:47:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-11-09 15:47:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 846 transitions. [2020-11-09 15:47:08,819 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 846 transitions. Word has length 16 [2020-11-09 15:47:08,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:08,820 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 846 transitions. [2020-11-09 15:47:08,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:47:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 846 transitions. [2020-11-09 15:47:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 15:47:08,821 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:08,821 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 15:47:08,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 15:47:08,822 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:08,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:08,822 INFO L82 PathProgramCache]: Analyzing trace with hash -687525174, now seen corresponding path program 1 times [2020-11-09 15:47:08,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:08,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260170432] [2020-11-09 15:47:08,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:08,883 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 15:47:08,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260170432] [2020-11-09 15:47:08,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:08,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:47:08,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1484582380] [2020-11-09 15:47:08,885 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:08,888 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:08,900 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 82 transitions. [2020-11-09 15:47:08,900 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:09,006 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:09,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:47:09,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:09,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:47:09,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:09,007 INFO L87 Difference]: Start difference. First operand 292 states and 846 transitions. Second operand 5 states. [2020-11-09 15:47:09,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:09,064 INFO L93 Difference]: Finished difference Result 352 states and 1006 transitions. [2020-11-09 15:47:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:47:09,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 15:47:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:09,066 INFO L225 Difference]: With dead ends: 352 [2020-11-09 15:47:09,066 INFO L226 Difference]: Without dead ends: 154 [2020-11-09 15:47:09,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 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 15:47:09,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-11-09 15:47:09,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-11-09 15:47:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-11-09 15:47:09,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 410 transitions. [2020-11-09 15:47:09,072 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 410 transitions. Word has length 17 [2020-11-09 15:47:09,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:09,073 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 410 transitions. [2020-11-09 15:47:09,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:47:09,073 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 410 transitions. [2020-11-09 15:47:09,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 15:47:09,074 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:09,074 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 15:47:09,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 15:47:09,074 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:09,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:09,075 INFO L82 PathProgramCache]: Analyzing trace with hash -2117772472, now seen corresponding path program 1 times [2020-11-09 15:47:09,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:09,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235331994] [2020-11-09 15:47:09,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:09,128 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 15:47:09,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235331994] [2020-11-09 15:47:09,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:09,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:47:09,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1024277654] [2020-11-09 15:47:09,129 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:09,131 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:09,138 INFO L252 McrAutomatonBuilder]: Finished intersection with 30 states and 40 transitions. [2020-11-09 15:47:09,138 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:09,162 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:09,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:47:09,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:09,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:47:09,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:09,164 INFO L87 Difference]: Start difference. First operand 154 states and 410 transitions. Second operand 5 states. [2020-11-09 15:47:09,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:09,208 INFO L93 Difference]: Finished difference Result 130 states and 334 transitions. [2020-11-09 15:47:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:47:09,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-09 15:47:09,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:09,209 INFO L225 Difference]: With dead ends: 130 [2020-11-09 15:47:09,209 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 15:47:09,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 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 15:47:09,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 15:47:09,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 15:47:09,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 15:47:09,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 15:47:09,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-09 15:47:09,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:09,211 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 15:47:09,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:47:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 15:47:09,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 15:47:09,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 15:47:09,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:47:09 BasicIcfg [2020-11-09 15:47:09,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 15:47:09,217 INFO L168 Benchmark]: Toolchain (without parser) took 9306.89 ms. Allocated memory was 160.4 MB in the beginning and 253.8 MB in the end (delta: 93.3 MB). Free memory was 133.9 MB in the beginning and 93.9 MB in the end (delta: 40.0 MB). Peak memory consumption was 133.8 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:09,218 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 160.4 MB. Free memory is still 134.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:47:09,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.37 ms. Allocated memory is still 160.4 MB. Free memory was 133.5 MB in the beginning and 102.0 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:09,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.51 ms. Allocated memory is still 160.4 MB. Free memory was 102.0 MB in the beginning and 100.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:09,220 INFO L168 Benchmark]: Boogie Preprocessor took 38.81 ms. Allocated memory is still 160.4 MB. Free memory was 100.4 MB in the beginning and 98.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:09,220 INFO L168 Benchmark]: RCFGBuilder took 549.27 ms. Allocated memory is still 160.4 MB. Free memory was 98.9 MB in the beginning and 74.2 MB in the end (delta: 24.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:09,221 INFO L168 Benchmark]: TraceAbstraction took 7940.40 ms. Allocated memory was 160.4 MB in the beginning and 253.8 MB in the end (delta: 93.3 MB). Free memory was 73.7 MB in the beginning and 93.9 MB in the end (delta: -20.2 MB). Peak memory consumption was 74.0 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:09,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 160.4 MB. Free memory is still 134.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 668.37 ms. Allocated memory is still 160.4 MB. Free memory was 133.5 MB in the beginning and 102.0 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 81.51 ms. Allocated memory is still 160.4 MB. Free memory was 102.0 MB in the beginning and 100.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 38.81 ms. Allocated memory is still 160.4 MB. Free memory was 100.4 MB in the beginning and 98.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 549.27 ms. Allocated memory is still 160.4 MB. Free memory was 98.9 MB in the beginning and 74.2 MB in the end (delta: 24.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7940.40 ms. Allocated memory was 160.4 MB in the beginning and 253.8 MB in the end (delta: 93.3 MB). Free memory was 73.7 MB in the beginning and 93.9 MB in the end (delta: -20.2 MB). Peak memory consumption was 74.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1227 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.8s, 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: 7.7s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 232 SDtfs, 228 SDslu, 310 SDs, 0 SdLazy, 57 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 4644 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...