/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 19:11:31,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 19:11:31,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 19:11:31,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 19:11:31,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 19:11:31,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 19:11:31,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 19:11:31,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 19:11:31,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 19:11:31,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 19:11:31,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 19:11:31,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 19:11:31,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 19:11:31,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 19:11:31,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 19:11:31,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 19:11:31,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 19:11:31,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 19:11:32,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 19:11:32,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 19:11:32,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 19:11:32,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 19:11:32,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 19:11:32,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 19:11:32,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 19:11:32,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 19:11:32,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 19:11:32,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 19:11:32,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 19:11:32,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 19:11:32,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 19:11:32,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 19:11:32,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 19:11:32,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 19:11:32,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 19:11:32,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 19:11:32,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 19:11:32,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 19:11:32,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 19:11:32,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 19:11:32,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 19:11:32,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2019-12-18 19:11:32,034 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 19:11:32,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 19:11:32,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 19:11:32,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 19:11:32,036 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 19:11:32,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 19:11:32,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 19:11:32,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 19:11:32,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 19:11:32,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 19:11:32,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 19:11:32,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 19:11:32,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 19:11:32,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 19:11:32,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 19:11:32,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 19:11:32,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 19:11:32,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 19:11:32,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 19:11:32,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 19:11:32,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 19:11:32,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 19:11:32,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 19:11:32,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 19:11:32,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 19:11:32,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 19:11:32,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 19:11:32,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 19:11:32,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 19:11:32,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 19:11:32,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 19:11:32,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 19:11:32,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 19:11:32,326 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 19:11:32,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2019-12-18 19:11:32,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7401f8f1e/c172d8c76457450199d5529d24ce2c90/FLAGbe8024322 [2019-12-18 19:11:32,999 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 19:11:32,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2019-12-18 19:11:33,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7401f8f1e/c172d8c76457450199d5529d24ce2c90/FLAGbe8024322 [2019-12-18 19:11:33,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7401f8f1e/c172d8c76457450199d5529d24ce2c90 [2019-12-18 19:11:33,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 19:11:33,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 19:11:33,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 19:11:33,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 19:11:33,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 19:11:33,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:11:33" (1/1) ... [2019-12-18 19:11:33,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486dd87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:33, skipping insertion in model container [2019-12-18 19:11:33,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:11:33" (1/1) ... [2019-12-18 19:11:33,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 19:11:33,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 19:11:33,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:11:33,916 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 19:11:33,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:11:34,056 INFO L208 MainTranslator]: Completed translation [2019-12-18 19:11:34,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34 WrapperNode [2019-12-18 19:11:34,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 19:11:34,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 19:11:34,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 19:11:34,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 19:11:34,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (1/1) ... [2019-12-18 19:11:34,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (1/1) ... [2019-12-18 19:11:34,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 19:11:34,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 19:11:34,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 19:11:34,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 19:11:34,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (1/1) ... [2019-12-18 19:11:34,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (1/1) ... [2019-12-18 19:11:34,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (1/1) ... [2019-12-18 19:11:34,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (1/1) ... [2019-12-18 19:11:34,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (1/1) ... [2019-12-18 19:11:34,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (1/1) ... [2019-12-18 19:11:34,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (1/1) ... [2019-12-18 19:11:34,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 19:11:34,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 19:11:34,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 19:11:34,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 19:11:34,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (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 [2019-12-18 19:11:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 19:11:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 19:11:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 19:11:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 19:11:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 19:11:34,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 19:11:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 19:11:34,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 19:11:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 19:11:34,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 19:11:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 19:11:34,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 19:11:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 19:11:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 19:11:34,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 19:11:34,218 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 19:11:34,609 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 19:11:34,610 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 19:11:34,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:11:34 BoogieIcfgContainer [2019-12-18 19:11:34,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 19:11:34,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 19:11:34,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 19:11:34,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 19:11:34,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 07:11:33" (1/3) ... [2019-12-18 19:11:34,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e07ab1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:11:34, skipping insertion in model container [2019-12-18 19:11:34,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:34" (2/3) ... [2019-12-18 19:11:34,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e07ab1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:11:34, skipping insertion in model container [2019-12-18 19:11:34,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:11:34" (3/3) ... [2019-12-18 19:11:34,620 INFO L109 eAbstractionObserver]: Analyzing ICFG thin002_tso.oepc.i [2019-12-18 19:11:34,630 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 19:11:34,630 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 19:11:34,638 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 19:11:34,639 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 19:11:34,666 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,667 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,667 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,669 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,669 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,670 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,670 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,670 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,671 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,671 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,671 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,671 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,672 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,672 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,672 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,673 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,673 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,673 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,674 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,674 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,674 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,674 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,675 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,675 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,679 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,680 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,680 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,680 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,686 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,686 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,686 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,687 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,696 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,697 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,697 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,697 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,701 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,702 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,702 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,702 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:34,719 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 19:11:34,743 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:11:34,743 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:11:34,743 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:11:34,744 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:11:34,744 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:11:34,744 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:11:34,744 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:11:34,744 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:11:34,764 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions [2019-12-18 19:11:34,766 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-12-18 19:11:34,841 INFO L126 PetriNetUnfolder]: 1/63 cut-off events. [2019-12-18 19:11:34,842 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:11:34,850 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 63 events. 1/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 26 event pairs. 12/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 19:11:34,857 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-12-18 19:11:34,878 INFO L126 PetriNetUnfolder]: 1/63 cut-off events. [2019-12-18 19:11:34,879 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:11:34,880 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 63 events. 1/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 26 event pairs. 12/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 19:11:34,882 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-18 19:11:34,883 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 19:11:36,514 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-18 19:11:36,606 INFO L206 etLargeBlockEncoding]: Checked pairs total: 723 [2019-12-18 19:11:36,607 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2019-12-18 19:11:36,611 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions [2019-12-18 19:11:36,627 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 110 states. [2019-12-18 19:11:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2019-12-18 19:11:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 19:11:36,639 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:36,641 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:36,641 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:36,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:36,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1014881653, now seen corresponding path program 1 times [2019-12-18 19:11:36,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:36,662 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245138745] [2019-12-18 19:11:36,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:11:36,942 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245138745] [2019-12-18 19:11:36,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:36,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 19:11:36,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802223142] [2019-12-18 19:11:36,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:11:36,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:36,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:11:36,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:11:36,969 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 3 states. [2019-12-18 19:11:37,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:37,009 INFO L93 Difference]: Finished difference Result 102 states and 260 transitions. [2019-12-18 19:11:37,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:11:37,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-18 19:11:37,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:37,040 INFO L225 Difference]: With dead ends: 102 [2019-12-18 19:11:37,040 INFO L226 Difference]: Without dead ends: 70 [2019-12-18 19:11:37,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:11:37,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-18 19:11:37,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-18 19:11:37,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-18 19:11:37,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-18 19:11:37,089 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-18 19:11:37,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:37,090 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-18 19:11:37,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:11:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-18 19:11:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 19:11:37,091 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:37,092 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:37,092 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:37,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:37,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1396559818, now seen corresponding path program 1 times [2019-12-18 19:11:37,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:37,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311661993] [2019-12-18 19:11:37,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:11:37,184 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311661993] [2019-12-18 19:11:37,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:37,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:11:37,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808080293] [2019-12-18 19:11:37,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:11:37,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:37,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:11:37,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 19:11:37,188 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-18 19:11:37,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:37,237 INFO L93 Difference]: Finished difference Result 74 states and 164 transitions. [2019-12-18 19:11:37,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:11:37,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 19:11:37,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:37,239 INFO L225 Difference]: With dead ends: 74 [2019-12-18 19:11:37,239 INFO L226 Difference]: Without dead ends: 58 [2019-12-18 19:11:37,240 INFO L631 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 [2019-12-18 19:11:37,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-12-18 19:11:37,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-12-18 19:11:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-18 19:11:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 124 transitions. [2019-12-18 19:11:37,248 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 124 transitions. Word has length 11 [2019-12-18 19:11:37,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:37,248 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 124 transitions. [2019-12-18 19:11:37,248 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:11:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 124 transitions. [2019-12-18 19:11:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 19:11:37,250 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:37,250 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:37,250 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:37,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:37,250 INFO L82 PathProgramCache]: Analyzing trace with hash 37410345, now seen corresponding path program 1 times [2019-12-18 19:11:37,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:37,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987508156] [2019-12-18 19:11:37,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:11:37,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987508156] [2019-12-18 19:11:37,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:37,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:11:37,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191430046] [2019-12-18 19:11:37,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:11:37,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:37,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:11:37,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 19:11:37,334 INFO L87 Difference]: Start difference. First operand 58 states and 124 transitions. Second operand 4 states. [2019-12-18 19:11:37,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:37,352 INFO L93 Difference]: Finished difference Result 68 states and 137 transitions. [2019-12-18 19:11:37,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:11:37,353 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-18 19:11:37,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:37,354 INFO L225 Difference]: With dead ends: 68 [2019-12-18 19:11:37,354 INFO L226 Difference]: Without dead ends: 44 [2019-12-18 19:11:37,355 INFO L631 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 [2019-12-18 19:11:37,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-18 19:11:37,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-18 19:11:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-18 19:11:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 81 transitions. [2019-12-18 19:11:37,360 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 81 transitions. Word has length 12 [2019-12-18 19:11:37,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:37,360 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 81 transitions. [2019-12-18 19:11:37,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:11:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2019-12-18 19:11:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 19:11:37,361 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:37,361 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:37,362 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:37,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:37,362 INFO L82 PathProgramCache]: Analyzing trace with hash 2064287004, now seen corresponding path program 1 times [2019-12-18 19:11:37,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:37,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957464335] [2019-12-18 19:11:37,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:11:37,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957464335] [2019-12-18 19:11:37,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:37,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 19:11:37,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525604855] [2019-12-18 19:11:37,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:11:37,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:37,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:11:37,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:11:37,457 INFO L87 Difference]: Start difference. First operand 44 states and 81 transitions. Second operand 3 states. [2019-12-18 19:11:37,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:37,470 INFO L93 Difference]: Finished difference Result 43 states and 79 transitions. [2019-12-18 19:11:37,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:11:37,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-18 19:11:37,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:37,472 INFO L225 Difference]: With dead ends: 43 [2019-12-18 19:11:37,472 INFO L226 Difference]: Without dead ends: 43 [2019-12-18 19:11:37,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:11:37,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-18 19:11:37,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-18 19:11:37,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-18 19:11:37,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 79 transitions. [2019-12-18 19:11:37,478 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 79 transitions. Word has length 13 [2019-12-18 19:11:37,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:37,479 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 79 transitions. [2019-12-18 19:11:37,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:11:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2019-12-18 19:11:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 19:11:37,482 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:37,482 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:37,482 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:37,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:37,483 INFO L82 PathProgramCache]: Analyzing trace with hash -432128726, now seen corresponding path program 1 times [2019-12-18 19:11:37,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:37,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761437794] [2019-12-18 19:11:37,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:11:37,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761437794] [2019-12-18 19:11:37,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:37,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:11:37,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888784759] [2019-12-18 19:11:37,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:11:37,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:37,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:11:37,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 19:11:37,612 INFO L87 Difference]: Start difference. First operand 43 states and 79 transitions. Second operand 4 states. [2019-12-18 19:11:37,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:37,636 INFO L93 Difference]: Finished difference Result 45 states and 80 transitions. [2019-12-18 19:11:37,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:11:37,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 19:11:37,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:37,638 INFO L225 Difference]: With dead ends: 45 [2019-12-18 19:11:37,638 INFO L226 Difference]: Without dead ends: 25 [2019-12-18 19:11:37,638 INFO L631 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 [2019-12-18 19:11:37,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-18 19:11:37,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-18 19:11:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-18 19:11:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-18 19:11:37,644 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 14 [2019-12-18 19:11:37,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:37,645 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-18 19:11:37,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:11:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-18 19:11:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 19:11:37,646 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:37,646 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:37,646 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:37,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:37,646 INFO L82 PathProgramCache]: Analyzing trace with hash -431612576, now seen corresponding path program 2 times [2019-12-18 19:11:37,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:37,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118007659] [2019-12-18 19:11:37,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:11:37,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118007659] [2019-12-18 19:11:37,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:37,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:11:37,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201301993] [2019-12-18 19:11:37,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:11:37,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:37,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:11:37,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 19:11:37,691 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 4 states. [2019-12-18 19:11:37,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:37,708 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-18 19:11:37,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:11:37,709 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 19:11:37,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:37,710 INFO L225 Difference]: With dead ends: 24 [2019-12-18 19:11:37,710 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 19:11:37,710 INFO L631 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 [2019-12-18 19:11:37,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 19:11:37,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 19:11:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 19:11:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 19:11:37,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-18 19:11:37,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:37,711 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 19:11:37,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:11:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 19:11:37,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 19:11:37,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 07:11:37 BasicIcfg [2019-12-18 19:11:37,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 19:11:37,718 INFO L168 Benchmark]: Toolchain (without parser) took 4420.60 ms. Allocated memory was 144.2 MB in the beginning and 249.0 MB in the end (delta: 104.9 MB). Free memory was 99.9 MB in the beginning and 97.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:37,719 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-18 19:11:37,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.56 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.5 MB in the beginning and 158.5 MB in the end (delta: -59.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:37,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.50 ms. Allocated memory is still 202.4 MB. Free memory was 158.5 MB in the beginning and 156.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:37,721 INFO L168 Benchmark]: Boogie Preprocessor took 27.77 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 155.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:37,722 INFO L168 Benchmark]: RCFGBuilder took 467.65 ms. Allocated memory is still 202.4 MB. Free memory was 154.5 MB in the beginning and 132.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:37,723 INFO L168 Benchmark]: TraceAbstraction took 3103.43 ms. Allocated memory was 202.4 MB in the beginning and 249.0 MB in the end (delta: 46.7 MB). Free memory was 131.5 MB in the beginning and 97.9 MB in the end (delta: 33.6 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:37,728 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.56 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.5 MB in the beginning and 158.5 MB in the end (delta: -59.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.50 ms. Allocated memory is still 202.4 MB. Free memory was 158.5 MB in the beginning and 156.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.77 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 155.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 467.65 ms. Allocated memory is still 202.4 MB. Free memory was 154.5 MB in the beginning and 132.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3103.43 ms. Allocated memory was 202.4 MB in the beginning and 249.0 MB in the end (delta: 46.7 MB). Free memory was 131.5 MB in the beginning and 97.9 MB in the end (delta: 33.6 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 79 ProgramPointsBefore, 28 ProgramPointsAfterwards, 67 TransitionsBefore, 21 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 358 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 723 CheckedPairsTotal, 56 TotalNumberOfCompositions - PositiveResult [Line: 4]: 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, 67 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 60 SDslu, 41 SDs, 0 SdLazy, 23 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 2352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...