/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-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 17:15:31,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 17:15:31,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 17:15:31,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 17:15:31,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 17:15:31,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 17:15:31,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 17:15:31,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 17:15:31,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 17:15:31,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 17:15:31,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 17:15:31,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 17:15:31,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 17:15:31,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 17:15:31,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 17:15:31,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 17:15:31,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 17:15:31,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 17:15:31,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 17:15:31,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 17:15:31,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 17:15:31,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 17:15:31,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 17:15:31,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 17:15:31,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 17:15:31,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 17:15:31,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 17:15:31,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 17:15:31,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 17:15:31,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 17:15:31,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 17:15:31,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 17:15:31,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 17:15:31,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 17:15:31,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 17:15:31,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 17:15:31,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 17:15:31,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 17:15:31,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 17:15:31,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 17:15:31,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 17:15:31,469 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-SP.epf [2020-11-09 17:15:31,497 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 17:15:31,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 17:15:31,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 17:15:31,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 17:15:31,501 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 17:15:31,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 17:15:31,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 17:15:31,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 17:15:31,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 17:15:31,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 17:15:31,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 17:15:31,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 17:15:31,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 17:15:31,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 17:15:31,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 17:15:31,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 17:15:31,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 17:15:31,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 17:15:31,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 17:15:31,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 17:15:31,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 17:15:31,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:15:31,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 17:15:31,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 17:15:31,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 17:15:31,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 17:15:31,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 17:15:31,507 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 17:15:31,507 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 17:15:31,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 17:15:31,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 17:15:31,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 17:15:31,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 17:15:31,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 17:15:31,969 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 17:15:31,970 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 17:15:31,972 INFO L432 ainManager$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 17:15:32,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7ab70596/ba9c842ee71248bd9bc74408e9f9c05c/FLAGd42d14314 [2020-11-09 17:15:32,786 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 17:15:32,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-11-09 17:15:32,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7ab70596/ba9c842ee71248bd9bc74408e9f9c05c/FLAGd42d14314 [2020-11-09 17:15:33,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7ab70596/ba9c842ee71248bd9bc74408e9f9c05c [2020-11-09 17:15:33,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 17:15:33,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 17:15:33,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 17:15:33,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 17:15:33,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 17:15:33,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:15:33" (1/1) ... [2020-11-09 17:15:33,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379e64d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33, skipping insertion in model container [2020-11-09 17:15:33,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:15:33" (1/1) ... [2020-11-09 17:15:33,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 17:15:33,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 17:15:33,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:15:33,789 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 17:15:33,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:15:34,070 INFO L208 MainTranslator]: Completed translation [2020-11-09 17:15:34,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34 WrapperNode [2020-11-09 17:15:34,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 17:15:34,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 17:15:34,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 17:15:34,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 17:15:34,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (1/1) ... [2020-11-09 17:15:34,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (1/1) ... [2020-11-09 17:15:34,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 17:15:34,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 17:15:34,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 17:15:34,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 17:15:34,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (1/1) ... [2020-11-09 17:15:34,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (1/1) ... [2020-11-09 17:15:34,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (1/1) ... [2020-11-09 17:15:34,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (1/1) ... [2020-11-09 17:15:34,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (1/1) ... [2020-11-09 17:15:34,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (1/1) ... [2020-11-09 17:15:34,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (1/1) ... [2020-11-09 17:15:34,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 17:15:34,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 17:15:34,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 17:15:34,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 17:15:34,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (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 17:15:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 17:15:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 17:15:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 17:15:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 17:15:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 17:15:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 17:15:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 17:15:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 17:15:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-09 17:15:34,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-09 17:15:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-09 17:15:34,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-09 17:15:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 17:15:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 17:15:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 17:15:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 17:15:34,247 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 17:15:34,790 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 17:15:34,790 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 17:15:34,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:15:34 BoogieIcfgContainer [2020-11-09 17:15:34,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 17:15:34,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 17:15:34,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 17:15:34,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 17:15:34,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:15:33" (1/3) ... [2020-11-09 17:15:34,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17144a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:15:34, skipping insertion in model container [2020-11-09 17:15:34,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:34" (2/3) ... [2020-11-09 17:15:34,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17144a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:15:34, skipping insertion in model container [2020-11-09 17:15:34,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:15:34" (3/3) ... [2020-11-09 17:15:34,802 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2020-11-09 17:15:34,818 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 17:15:34,818 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 17:15:34,822 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 17:15:34,823 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 17:15:34,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,856 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,856 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,857 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,857 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,859 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,859 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,860 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,860 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,862 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,863 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,863 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,863 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,865 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,866 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,866 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,866 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,870 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,870 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,877 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,881 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,881 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,883 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,884 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:34,886 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 17:15:34,898 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 17:15:34,922 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:15:34,922 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:15:34,923 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:15:34,923 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:15:34,923 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:15:34,923 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:15:34,923 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:15:34,924 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:15:34,937 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:15:34,938 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 17:15:34,942 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 17:15:34,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 95 transitions, 210 flow [2020-11-09 17:15:34,998 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-11-09 17:15:34,998 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 17:15:35,004 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 17:15:35,008 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2020-11-09 17:15:35,643 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-11-09 17:15:37,994 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 17:15:38,951 WARN L194 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 17:15:39,083 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 17:15:39,352 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 17:15:39,479 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 17:15:39,502 INFO L131 LiptonReduction]: Checked pairs total: 4418 [2020-11-09 17:15:39,503 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-11-09 17:15:39,517 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-11-09 17:15:39,673 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-11-09 17:15:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-11-09 17:15:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 17:15:39,691 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:39,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:39,693 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:39,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:39,704 INFO L82 PathProgramCache]: Analyzing trace with hash 481695671, now seen corresponding path program 1 times [2020-11-09 17:15:39,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:39,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200695143] [2020-11-09 17:15:39,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:40,008 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 17:15:40,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200695143] [2020-11-09 17:15:40,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:40,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:15:40,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [195318887] [2020-11-09 17:15:40,013 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:40,019 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:40,034 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-11-09 17:15:40,034 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:40,039 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:40,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 17:15:40,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:40,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 17:15:40,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 17:15:40,059 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-11-09 17:15:40,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:40,129 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-11-09 17:15:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 17:15:40,131 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-09 17:15:40,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:40,167 INFO L225 Difference]: With dead ends: 1450 [2020-11-09 17:15:40,168 INFO L226 Difference]: Without dead ends: 1194 [2020-11-09 17:15:40,169 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 17:15:40,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-11-09 17:15:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-11-09 17:15:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-11-09 17:15:40,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-11-09 17:15:40,374 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-11-09 17:15:40,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:40,375 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-11-09 17:15:40,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 17:15:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-11-09 17:15:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 17:15:40,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:40,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:40,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 17:15:40,387 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:40,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:40,391 INFO L82 PathProgramCache]: Analyzing trace with hash 2047662136, now seen corresponding path program 1 times [2020-11-09 17:15:40,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:40,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495721986] [2020-11-09 17:15:40,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:40,638 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 17:15:40,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495721986] [2020-11-09 17:15:40,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:40,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:15:40,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2056147856] [2020-11-09 17:15:40,642 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:40,643 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:40,646 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-11-09 17:15:40,646 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:40,647 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:40,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:15:40,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:40,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:15:40,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:15:40,652 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-11-09 17:15:40,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:40,711 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-11-09 17:15:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:15:40,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-09 17:15:40,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:40,724 INFO L225 Difference]: With dead ends: 1322 [2020-11-09 17:15:40,726 INFO L226 Difference]: Without dead ends: 1066 [2020-11-09 17:15:40,727 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 17:15:40,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-11-09 17:15:40,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-11-09 17:15:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-11-09 17:15:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-11-09 17:15:40,778 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-11-09 17:15:40,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:40,779 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-11-09 17:15:40,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:15:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-11-09 17:15:40,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 17:15:40,781 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:40,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:40,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 17:15:40,782 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:40,793 INFO L82 PathProgramCache]: Analyzing trace with hash -947011909, now seen corresponding path program 1 times [2020-11-09 17:15:40,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:40,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957923868] [2020-11-09 17:15:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:40,945 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 17:15:40,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957923868] [2020-11-09 17:15:40,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:40,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:15:40,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [42882857] [2020-11-09 17:15:40,946 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:40,947 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:40,950 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 14 transitions. [2020-11-09 17:15:40,950 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:40,960 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:40,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:15:40,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:40,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:15:40,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:15:40,961 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 4 states. [2020-11-09 17:15:40,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:40,999 INFO L93 Difference]: Finished difference Result 1162 states and 4016 transitions. [2020-11-09 17:15:40,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:15:40,999 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 17:15:41,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:41,009 INFO L225 Difference]: With dead ends: 1162 [2020-11-09 17:15:41,010 INFO L226 Difference]: Without dead ends: 970 [2020-11-09 17:15:41,010 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 17:15:41,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-11-09 17:15:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2020-11-09 17:15:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-11-09 17:15:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 3408 transitions. [2020-11-09 17:15:41,061 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 3408 transitions. Word has length 12 [2020-11-09 17:15:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:41,062 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 3408 transitions. [2020-11-09 17:15:41,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:15:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3408 transitions. [2020-11-09 17:15:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 17:15:41,064 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:41,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:41,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 17:15:41,064 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:41,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:41,065 INFO L82 PathProgramCache]: Analyzing trace with hash 757859890, now seen corresponding path program 1 times [2020-11-09 17:15:41,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:41,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063881856] [2020-11-09 17:15:41,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:41,145 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 17:15:41,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063881856] [2020-11-09 17:15:41,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:41,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:15:41,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1038384495] [2020-11-09 17:15:41,146 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:41,148 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:41,151 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 30 transitions. [2020-11-09 17:15:41,151 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:41,226 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:41,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:15:41,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:41,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:15:41,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:41,227 INFO L87 Difference]: Start difference. First operand 970 states and 3408 transitions. Second operand 5 states. [2020-11-09 17:15:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:41,290 INFO L93 Difference]: Finished difference Result 1162 states and 3980 transitions. [2020-11-09 17:15:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:15:41,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 17:15:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:41,297 INFO L225 Difference]: With dead ends: 1162 [2020-11-09 17:15:41,297 INFO L226 Difference]: Without dead ends: 634 [2020-11-09 17:15:41,298 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 17:15:41,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-11-09 17:15:41,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-11-09 17:15:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-11-09 17:15:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2052 transitions. [2020-11-09 17:15:41,324 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 2052 transitions. Word has length 13 [2020-11-09 17:15:41,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:41,325 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 2052 transitions. [2020-11-09 17:15:41,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:15:41,325 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 2052 transitions. [2020-11-09 17:15:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 17:15:41,326 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:41,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:41,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 17:15:41,327 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:41,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:41,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1001829211, now seen corresponding path program 1 times [2020-11-09 17:15:41,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:41,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592689674] [2020-11-09 17:15:41,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:41,468 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 17:15:41,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592689674] [2020-11-09 17:15:41,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:41,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:15:41,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1450346794] [2020-11-09 17:15:41,469 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:41,472 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:41,479 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 66 transitions. [2020-11-09 17:15:41,479 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:41,610 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:41,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:15:41,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:41,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:15:41,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:15:41,612 INFO L87 Difference]: Start difference. First operand 634 states and 2052 transitions. Second operand 4 states. [2020-11-09 17:15:41,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:41,639 INFO L93 Difference]: Finished difference Result 670 states and 2118 transitions. [2020-11-09 17:15:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:15:41,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-09 17:15:41,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:41,645 INFO L225 Difference]: With dead ends: 670 [2020-11-09 17:15:41,646 INFO L226 Difference]: Without dead ends: 598 [2020-11-09 17:15:41,646 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 17:15:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-11-09 17:15:41,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2020-11-09 17:15:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-11-09 17:15:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1914 transitions. [2020-11-09 17:15:41,670 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1914 transitions. Word has length 15 [2020-11-09 17:15:41,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:41,671 INFO L481 AbstractCegarLoop]: Abstraction has 598 states and 1914 transitions. [2020-11-09 17:15:41,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:15:41,671 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1914 transitions. [2020-11-09 17:15:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:15:41,673 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:41,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:41,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 17:15:41,673 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:41,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:41,674 INFO L82 PathProgramCache]: Analyzing trace with hash -991972764, now seen corresponding path program 1 times [2020-11-09 17:15:41,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:41,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333297194] [2020-11-09 17:15:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:41,739 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 17:15:41,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333297194] [2020-11-09 17:15:41,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:41,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:15:41,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1739855847] [2020-11-09 17:15:41,741 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:41,743 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:41,758 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 162 transitions. [2020-11-09 17:15:41,759 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:42,043 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:42,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:15:42,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:42,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:15:42,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:42,046 INFO L87 Difference]: Start difference. First operand 598 states and 1914 transitions. Second operand 5 states. [2020-11-09 17:15:42,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:42,113 INFO L93 Difference]: Finished difference Result 712 states and 2245 transitions. [2020-11-09 17:15:42,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:15:42,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-09 17:15:42,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:42,122 INFO L225 Difference]: With dead ends: 712 [2020-11-09 17:15:42,122 INFO L226 Difference]: Without dead ends: 292 [2020-11-09 17:15:42,122 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 17:15:42,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-11-09 17:15:42,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-11-09 17:15:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-11-09 17:15:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 846 transitions. [2020-11-09 17:15:42,136 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 846 transitions. Word has length 16 [2020-11-09 17:15:42,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:42,137 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 846 transitions. [2020-11-09 17:15:42,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:15:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 846 transitions. [2020-11-09 17:15:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 17:15:42,139 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:42,139 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 17:15:42,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 17:15:42,139 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:42,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:42,141 INFO L82 PathProgramCache]: Analyzing trace with hash -687525174, now seen corresponding path program 1 times [2020-11-09 17:15:42,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:42,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395053750] [2020-11-09 17:15:42,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:42,259 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 17:15:42,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395053750] [2020-11-09 17:15:42,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:42,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:15:42,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [813178851] [2020-11-09 17:15:42,260 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:42,264 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:42,276 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 82 transitions. [2020-11-09 17:15:42,276 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:42,429 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:42,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:15:42,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:42,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:15:42,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:42,431 INFO L87 Difference]: Start difference. First operand 292 states and 846 transitions. Second operand 5 states. [2020-11-09 17:15:42,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:42,489 INFO L93 Difference]: Finished difference Result 352 states and 1006 transitions. [2020-11-09 17:15:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:15:42,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 17:15:42,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:42,491 INFO L225 Difference]: With dead ends: 352 [2020-11-09 17:15:42,491 INFO L226 Difference]: Without dead ends: 154 [2020-11-09 17:15:42,492 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 17:15:42,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-11-09 17:15:42,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-11-09 17:15:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-11-09 17:15:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 410 transitions. [2020-11-09 17:15:42,499 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 410 transitions. Word has length 17 [2020-11-09 17:15:42,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:42,499 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 410 transitions. [2020-11-09 17:15:42,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:15:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 410 transitions. [2020-11-09 17:15:42,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 17:15:42,500 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:42,500 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 17:15:42,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 17:15:42,501 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:42,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:42,501 INFO L82 PathProgramCache]: Analyzing trace with hash -2117772472, now seen corresponding path program 1 times [2020-11-09 17:15:42,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:42,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117763142] [2020-11-09 17:15:42,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:42,588 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 17:15:42,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117763142] [2020-11-09 17:15:42,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:42,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:15:42,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1168725645] [2020-11-09 17:15:42,589 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:42,592 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:42,599 INFO L252 McrAutomatonBuilder]: Finished intersection with 30 states and 40 transitions. [2020-11-09 17:15:42,599 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:42,624 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:42,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:15:42,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:42,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:15:42,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:42,626 INFO L87 Difference]: Start difference. First operand 154 states and 410 transitions. Second operand 5 states. [2020-11-09 17:15:42,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:42,670 INFO L93 Difference]: Finished difference Result 130 states and 334 transitions. [2020-11-09 17:15:42,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:15:42,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-09 17:15:42,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:42,671 INFO L225 Difference]: With dead ends: 130 [2020-11-09 17:15:42,672 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 17:15:42,673 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 17:15:42,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 17:15:42,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 17:15:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 17:15:42,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 17:15:42,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-09 17:15:42,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:42,674 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 17:15:42,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:15:42,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 17:15:42,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 17:15:42,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 17:15:42,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:15:42 BasicIcfg [2020-11-09 17:15:42,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 17:15:42,687 INFO L168 Benchmark]: Toolchain (without parser) took 9587.86 ms. Allocated memory was 156.2 MB in the beginning and 255.9 MB in the end (delta: 99.6 MB). Free memory was 129.8 MB in the beginning and 192.0 MB in the end (delta: -62.3 MB). Peak memory consumption was 38.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:42,688 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 156.2 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:15:42,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 968.37 ms. Allocated memory is still 156.2 MB. Free memory was 129.2 MB in the beginning and 131.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:42,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.12 ms. Allocated memory is still 156.2 MB. Free memory was 131.2 MB in the beginning and 129.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:42,690 INFO L168 Benchmark]: Boogie Preprocessor took 29.81 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 128.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:42,694 INFO L168 Benchmark]: RCFGBuilder took 635.85 ms. Allocated memory is still 156.2 MB. Free memory was 128.0 MB in the beginning and 103.4 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:42,696 INFO L168 Benchmark]: TraceAbstraction took 7884.43 ms. Allocated memory was 156.2 MB in the beginning and 255.9 MB in the end (delta: 99.6 MB). Free memory was 102.9 MB in the beginning and 192.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:42,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 156.2 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 968.37 ms. Allocated memory is still 156.2 MB. Free memory was 129.2 MB in the beginning and 131.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.12 ms. Allocated memory is still 156.2 MB. Free memory was 131.2 MB in the beginning and 129.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.81 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 128.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 635.85 ms. Allocated memory is still 156.2 MB. Free memory was 128.0 MB in the beginning and 103.4 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7884.43 ms. Allocated memory was 156.2 MB in the beginning and 255.9 MB in the end (delta: 99.6 MB). Free memory was 102.9 MB in the beginning and 192.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 11.5 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: 4.5s, 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: 4.7s, 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, 0.3s 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...