/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/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 18:44:00,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 18:44:00,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 18:44:00,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 18:44:00,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 18:44:00,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 18:44:00,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 18:44:00,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 18:44:00,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 18:44:00,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 18:44:00,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 18:44:00,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 18:44:00,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 18:44:00,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 18:44:00,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 18:44:01,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 18:44:01,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 18:44:01,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 18:44:01,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 18:44:01,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 18:44:01,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 18:44:01,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 18:44:01,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 18:44:01,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 18:44:01,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 18:44:01,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 18:44:01,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 18:44:01,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 18:44:01,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 18:44:01,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 18:44:01,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 18:44:01,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 18:44:01,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 18:44:01,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 18:44:01,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 18:44:01,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 18:44:01,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 18:44:01,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 18:44:01,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 18:44:01,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 18:44:01,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 18:44:01,040 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 18:44:01,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 18:44:01,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 18:44:01,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 18:44:01,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 18:44:01,061 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 18:44:01,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 18:44:01,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 18:44:01,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 18:44:01,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 18:44:01,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 18:44:01,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 18:44:01,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 18:44:01,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 18:44:01,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 18:44:01,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 18:44:01,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 18:44:01,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 18:44:01,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 18:44:01,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 18:44:01,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 18:44:01,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 18:44:01,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 18:44:01,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 18:44:01,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 18:44:01,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 18:44:01,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 18:44:01,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 18:44:01,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 18:44:01,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 18:44:01,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 18:44:01,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 18:44:01,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 18:44:01,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 18:44:01,364 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 18:44:01,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2019-12-18 18:44:01,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6283199/29a31991938c4adc9abab5a26fcb8731/FLAG4c06b9170 [2019-12-18 18:44:01,983 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 18:44:01,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2019-12-18 18:44:01,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6283199/29a31991938c4adc9abab5a26fcb8731/FLAG4c06b9170 [2019-12-18 18:44:02,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6283199/29a31991938c4adc9abab5a26fcb8731 [2019-12-18 18:44:02,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 18:44:02,341 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 18:44:02,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 18:44:02,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 18:44:02,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 18:44:02,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:44:02" (1/1) ... [2019-12-18 18:44:02,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d65c15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:02, skipping insertion in model container [2019-12-18 18:44:02,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:44:02" (1/1) ... [2019-12-18 18:44:02,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 18:44:02,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 18:44:02,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 18:44:02,878 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 18:44:02,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 18:44:03,060 INFO L208 MainTranslator]: Completed translation [2019-12-18 18:44:03,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03 WrapperNode [2019-12-18 18:44:03,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 18:44:03,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 18:44:03,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 18:44:03,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 18:44:03,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (1/1) ... [2019-12-18 18:44:03,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (1/1) ... [2019-12-18 18:44:03,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 18:44:03,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 18:44:03,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 18:44:03,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 18:44:03,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (1/1) ... [2019-12-18 18:44:03,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (1/1) ... [2019-12-18 18:44:03,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (1/1) ... [2019-12-18 18:44:03,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (1/1) ... [2019-12-18 18:44:03,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (1/1) ... [2019-12-18 18:44:03,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (1/1) ... [2019-12-18 18:44:03,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (1/1) ... [2019-12-18 18:44:03,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 18:44:03,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 18:44:03,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 18:44:03,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 18:44:03,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (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 18:44:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 18:44:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 18:44:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 18:44:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 18:44:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 18:44:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 18:44:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 18:44:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 18:44:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 18:44:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 18:44:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 18:44:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 18:44:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 18:44:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 18:44:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 18:44:03,208 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 18:44:03,589 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 18:44:03,589 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 18:44:03,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:44:03 BoogieIcfgContainer [2019-12-18 18:44:03,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 18:44:03,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 18:44:03,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 18:44:03,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 18:44:03,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:44:02" (1/3) ... [2019-12-18 18:44:03,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d3d53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:44:03, skipping insertion in model container [2019-12-18 18:44:03,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:44:03" (2/3) ... [2019-12-18 18:44:03,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d3d53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:44:03, skipping insertion in model container [2019-12-18 18:44:03,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:44:03" (3/3) ... [2019-12-18 18:44:03,600 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2019-12-18 18:44:03,610 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 18:44:03,610 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 18:44:03,618 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 18:44:03,619 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 18:44:03,650 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,651 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,651 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,651 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,652 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,652 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,652 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,653 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,653 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,653 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,653 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,654 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,654 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,654 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,655 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,655 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,655 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,656 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,656 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,656 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,657 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,657 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,657 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,658 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,662 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,662 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,663 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,663 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,668 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,669 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,669 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,670 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,672 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,673 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,673 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,673 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,677 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,678 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,678 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,678 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:44:03,694 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 18:44:03,716 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 18:44:03,716 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 18:44:03,716 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 18:44:03,717 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 18:44:03,717 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 18:44:03,717 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 18:44:03,717 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 18:44:03,717 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 18:44:03,732 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 64 transitions [2019-12-18 18:44:03,734 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-18 18:44:03,780 INFO L126 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-18 18:44:03,780 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 18:44:03,790 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 12/70 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 18:44:03,794 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-18 18:44:03,835 INFO L126 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-18 18:44:03,835 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 18:44:03,838 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 12/70 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 18:44:03,843 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-18 18:44:03,844 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 18:44:05,440 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-12-18 18:44:05,499 INFO L206 etLargeBlockEncoding]: Checked pairs total: 721 [2019-12-18 18:44:05,499 INFO L214 etLargeBlockEncoding]: Total number of compositions: 48 [2019-12-18 18:44:05,503 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-18 18:44:05,520 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-18 18:44:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-18 18:44:05,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 18:44:05,531 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:44:05,532 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:44:05,533 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:44:05,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:44:05,539 INFO L82 PathProgramCache]: Analyzing trace with hash -989464989, now seen corresponding path program 1 times [2019-12-18 18:44:05,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:44:05,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557551103] [2019-12-18 18:44:05,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:44:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:44:05,772 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 18:44:05,772 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557551103] [2019-12-18 18:44:05,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:44:05,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 18:44:05,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701926889] [2019-12-18 18:44:05,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 18:44:05,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:44:05,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 18:44:05,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 18:44:05,800 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-18 18:44:05,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:44:05,835 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-18 18:44:05,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 18:44:05,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-18 18:44:05,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:44:05,852 INFO L225 Difference]: With dead ends: 86 [2019-12-18 18:44:05,852 INFO L226 Difference]: Without dead ends: 70 [2019-12-18 18:44:05,854 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 18:44:05,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-18 18:44:05,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-18 18:44:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-18 18:44:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-18 18:44:05,901 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-18 18:44:05,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:44:05,902 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-18 18:44:05,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 18:44:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-18 18:44:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 18:44:05,904 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:44:05,904 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:44:05,904 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:44:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:44:05,905 INFO L82 PathProgramCache]: Analyzing trace with hash -609272234, now seen corresponding path program 1 times [2019-12-18 18:44:05,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:44:05,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561130258] [2019-12-18 18:44:05,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:44:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:44:06,015 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 18:44:06,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561130258] [2019-12-18 18:44:06,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:44:06,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 18:44:06,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473627939] [2019-12-18 18:44:06,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 18:44:06,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:44:06,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 18:44:06,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 18:44:06,019 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 3 states. [2019-12-18 18:44:06,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:44:06,031 INFO L93 Difference]: Finished difference Result 66 states and 152 transitions. [2019-12-18 18:44:06,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 18:44:06,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-18 18:44:06,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:44:06,033 INFO L225 Difference]: With dead ends: 66 [2019-12-18 18:44:06,033 INFO L226 Difference]: Without dead ends: 66 [2019-12-18 18:44:06,034 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 18:44:06,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-12-18 18:44:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-12-18 18:44:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-18 18:44:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 152 transitions. [2019-12-18 18:44:06,053 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 152 transitions. Word has length 11 [2019-12-18 18:44:06,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:44:06,054 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 152 transitions. [2019-12-18 18:44:06,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 18:44:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 152 transitions. [2019-12-18 18:44:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 18:44:06,056 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:44:06,056 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:44:06,057 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:44:06,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:44:06,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1933083520, now seen corresponding path program 1 times [2019-12-18 18:44:06,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:44:06,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551353464] [2019-12-18 18:44:06,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:44:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:44:06,152 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 18:44:06,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551353464] [2019-12-18 18:44:06,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:44:06,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 18:44:06,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783847309] [2019-12-18 18:44:06,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 18:44:06,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:44:06,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 18:44:06,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 18:44:06,156 INFO L87 Difference]: Start difference. First operand 66 states and 152 transitions. Second operand 4 states. [2019-12-18 18:44:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:44:06,205 INFO L93 Difference]: Finished difference Result 82 states and 178 transitions. [2019-12-18 18:44:06,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 18:44:06,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-18 18:44:06,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:44:06,207 INFO L225 Difference]: With dead ends: 82 [2019-12-18 18:44:06,207 INFO L226 Difference]: Without dead ends: 52 [2019-12-18 18:44:06,207 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 18:44:06,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-18 18:44:06,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-18 18:44:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-18 18:44:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 108 transitions. [2019-12-18 18:44:06,214 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 108 transitions. Word has length 12 [2019-12-18 18:44:06,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:44:06,214 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 108 transitions. [2019-12-18 18:44:06,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 18:44:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2019-12-18 18:44:06,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 18:44:06,215 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:44:06,216 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:44:06,216 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:44:06,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:44:06,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1709122238, now seen corresponding path program 2 times [2019-12-18 18:44:06,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:44:06,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032872094] [2019-12-18 18:44:06,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:44:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:44:06,266 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 18:44:06,267 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032872094] [2019-12-18 18:44:06,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:44:06,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 18:44:06,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953267609] [2019-12-18 18:44:06,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 18:44:06,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:44:06,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 18:44:06,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 18:44:06,272 INFO L87 Difference]: Start difference. First operand 52 states and 108 transitions. Second operand 4 states. [2019-12-18 18:44:06,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:44:06,308 INFO L93 Difference]: Finished difference Result 66 states and 123 transitions. [2019-12-18 18:44:06,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 18:44:06,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-18 18:44:06,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:44:06,310 INFO L225 Difference]: With dead ends: 66 [2019-12-18 18:44:06,311 INFO L226 Difference]: Without dead ends: 34 [2019-12-18 18:44:06,311 INFO L631 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 [2019-12-18 18:44:06,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-18 18:44:06,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-18 18:44:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-18 18:44:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2019-12-18 18:44:06,322 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 12 [2019-12-18 18:44:06,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:44:06,322 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2019-12-18 18:44:06,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 18:44:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2019-12-18 18:44:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 18:44:06,323 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:44:06,323 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:44:06,324 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:44:06,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:44:06,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1395075125, now seen corresponding path program 1 times [2019-12-18 18:44:06,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:44:06,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432815771] [2019-12-18 18:44:06,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:44:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:44:06,374 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 18:44:06,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432815771] [2019-12-18 18:44:06,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:44:06,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 18:44:06,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82877134] [2019-12-18 18:44:06,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 18:44:06,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:44:06,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 18:44:06,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 18:44:06,377 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 4 states. [2019-12-18 18:44:06,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:44:06,405 INFO L93 Difference]: Finished difference Result 41 states and 64 transitions. [2019-12-18 18:44:06,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 18:44:06,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-18 18:44:06,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:44:06,406 INFO L225 Difference]: With dead ends: 41 [2019-12-18 18:44:06,406 INFO L226 Difference]: Without dead ends: 25 [2019-12-18 18:44:06,407 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 18:44:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-18 18:44:06,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-18 18:44:06,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-18 18:44:06,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-18 18:44:06,412 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 13 [2019-12-18 18:44:06,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:44:06,413 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-18 18:44:06,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 18:44:06,413 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-18 18:44:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 18:44:06,414 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:44:06,414 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:44:06,414 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:44:06,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:44:06,414 INFO L82 PathProgramCache]: Analyzing trace with hash -534290396, now seen corresponding path program 1 times [2019-12-18 18:44:06,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:44:06,416 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531109503] [2019-12-18 18:44:06,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:44:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:44:06,484 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 18:44:06,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531109503] [2019-12-18 18:44:06,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:44:06,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 18:44:06,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571708510] [2019-12-18 18:44:06,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 18:44:06,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:44:06,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 18:44:06,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 18:44:06,488 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 4 states. [2019-12-18 18:44:06,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:44:06,521 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-18 18:44:06,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 18:44:06,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 18:44:06,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:44:06,521 INFO L225 Difference]: With dead ends: 24 [2019-12-18 18:44:06,522 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 18:44:06,522 INFO L631 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 [2019-12-18 18:44:06,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 18:44:06,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 18:44:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 18:44:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 18:44:06,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-18 18:44:06,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:44:06,523 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 18:44:06,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 18:44:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 18:44:06,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 18:44:06,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 06:44:06 BasicIcfg [2019-12-18 18:44:06,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 18:44:06,534 INFO L168 Benchmark]: Toolchain (without parser) took 4191.43 ms. Allocated memory was 139.5 MB in the beginning and 244.8 MB in the end (delta: 105.4 MB). Free memory was 101.7 MB in the beginning and 209.9 MB in the end (delta: -108.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 18:44:06,535 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-18 18:44:06,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.10 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.3 MB in the beginning and 160.4 MB in the end (delta: -59.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-12-18 18:44:06,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.86 ms. Allocated memory is still 203.9 MB. Free memory was 160.4 MB in the beginning and 158.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 18:44:06,543 INFO L168 Benchmark]: Boogie Preprocessor took 26.57 ms. Allocated memory is still 203.9 MB. Free memory was 158.5 MB in the beginning and 157.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 18:44:06,543 INFO L168 Benchmark]: RCFGBuilder took 456.36 ms. Allocated memory is still 203.9 MB. Free memory was 156.5 MB in the beginning and 134.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-12-18 18:44:06,545 INFO L168 Benchmark]: TraceAbstraction took 2937.97 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 134.1 MB in the beginning and 209.9 MB in the end (delta: -75.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 18:44:06,552 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.10 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.3 MB in the beginning and 160.4 MB in the end (delta: -59.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.86 ms. Allocated memory is still 203.9 MB. Free memory was 160.4 MB in the beginning and 158.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.57 ms. Allocated memory is still 203.9 MB. Free memory was 158.5 MB in the beginning and 157.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 456.36 ms. Allocated memory is still 203.9 MB. Free memory was 156.5 MB in the beginning and 134.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2937.97 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 134.1 MB in the beginning and 209.9 MB in the end (delta: -75.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 76 ProgramPointsBefore, 27 ProgramPointsAfterwards, 64 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 354 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 16 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 721 CheckedPairsTotal, 48 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, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 93 SDtfs, 42 SDslu, 89 SDs, 0 SdLazy, 36 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1972 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...