./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03a6a65b3d5e8f78378bbfe5cceeaaa543d2a603 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 18:31:38,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:31:38,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:31:38,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:31:38,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:31:38,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:31:38,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:31:38,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:31:38,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:31:38,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:31:38,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:31:38,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:31:38,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:31:38,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:31:38,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:31:38,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:31:38,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:31:39,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:31:39,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:31:39,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:31:39,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:31:39,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:31:39,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:31:39,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:31:39,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:31:39,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:31:39,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:31:39,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:31:39,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:31:39,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:31:39,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:31:39,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:31:39,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:31:39,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:31:39,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:31:39,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:31:39,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:31:39,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:31:39,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:31:39,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:31:39,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:31:39,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:31:39,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:31:39,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:31:39,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:31:39,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:31:39,084 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:31:39,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:31:39,084 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:31:39,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:31:39,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:31:39,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:31:39,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:31:39,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:31:39,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:31:39,086 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:31:39,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:31:39,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:31:39,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:31:39,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:31:39,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:31:39,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:31:39,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:31:39,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:31:39,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:31:39,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:31:39,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:31:39,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:31:39,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:31:39,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:31:39,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:31:39,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03a6a65b3d5e8f78378bbfe5cceeaaa543d2a603 [2019-11-28 18:31:39,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:31:39,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:31:39,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:31:39,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:31:39,462 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:31:39,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i [2019-11-28 18:31:39,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9133009/9498bfcb61c045c991c77d80ea3c6e33/FLAGc536ac773 [2019-11-28 18:31:40,107 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:31:40,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i [2019-11-28 18:31:40,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9133009/9498bfcb61c045c991c77d80ea3c6e33/FLAGc536ac773 [2019-11-28 18:31:40,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9133009/9498bfcb61c045c991c77d80ea3c6e33 [2019-11-28 18:31:40,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:31:40,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:31:40,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:31:40,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:31:40,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:31:40,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:31:40" (1/1) ... [2019-11-28 18:31:40,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cd1333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:40, skipping insertion in model container [2019-11-28 18:31:40,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:31:40" (1/1) ... [2019-11-28 18:31:40,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:31:40,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:31:40,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:31:40,989 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:31:41,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:31:41,168 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:31:41,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41 WrapperNode [2019-11-28 18:31:41,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:31:41,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:31:41,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:31:41,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:31:41,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (1/1) ... [2019-11-28 18:31:41,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (1/1) ... [2019-11-28 18:31:41,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:31:41,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:31:41,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:31:41,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:31:41,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (1/1) ... [2019-11-28 18:31:41,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (1/1) ... [2019-11-28 18:31:41,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (1/1) ... [2019-11-28 18:31:41,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (1/1) ... [2019-11-28 18:31:41,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (1/1) ... [2019-11-28 18:31:41,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (1/1) ... [2019-11-28 18:31:41,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (1/1) ... [2019-11-28 18:31:41,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:31:41,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:31:41,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:31:41,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:31:41,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (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 [2019-11-28 18:31:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:31:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:31:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:31:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:31:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:31:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:31:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:31:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:31:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:31:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:31:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:31:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:31:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:31:41,328 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 18:31:41,689 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:31:41,689 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:31:41,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:31:41 BoogieIcfgContainer [2019-11-28 18:31:41,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:31:41,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:31:41,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:31:41,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:31:41,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:31:40" (1/3) ... [2019-11-28 18:31:41,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563bf094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:31:41, skipping insertion in model container [2019-11-28 18:31:41,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:41" (2/3) ... [2019-11-28 18:31:41,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563bf094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:31:41, skipping insertion in model container [2019-11-28 18:31:41,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:31:41" (3/3) ... [2019-11-28 18:31:41,699 INFO L109 eAbstractionObserver]: Analyzing ICFG safe025_tso.oepc.i [2019-11-28 18:31:41,710 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:31:41,710 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:31:41,717 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:31:41,718 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:31:41,747 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,747 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,748 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,748 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,749 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,749 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,749 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,750 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,750 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,750 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,750 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,751 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,751 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,751 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,752 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,752 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,752 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,753 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:41,773 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:31:41,794 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:31:41,795 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:31:41,795 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:31:41,795 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:31:41,796 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:31:41,796 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:31:41,796 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:31:41,796 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:31:41,810 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 54 transitions [2019-11-28 18:31:41,812 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-11-28 18:31:41,853 INFO L134 PetriNetUnfolder]: 1/51 cut-off events. [2019-11-28 18:31:41,854 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:31:41,861 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:31:41,864 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-11-28 18:31:41,883 INFO L134 PetriNetUnfolder]: 1/51 cut-off events. [2019-11-28 18:31:41,883 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:31:41,885 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:31:41,886 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:31:41,888 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:31:43,155 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-11-28 18:31:43,310 INFO L206 etLargeBlockEncoding]: Checked pairs total: 467 [2019-11-28 18:31:43,310 INFO L214 etLargeBlockEncoding]: Total number of compositions: 44 [2019-11-28 18:31:43,314 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-11-28 18:31:43,327 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-11-28 18:31:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-11-28 18:31:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:31:43,338 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:43,339 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:43,340 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:43,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:43,347 INFO L82 PathProgramCache]: Analyzing trace with hash -53140901, now seen corresponding path program 1 times [2019-11-28 18:31:43,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:43,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446475419] [2019-11-28 18:31:43,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:31:43,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446475419] [2019-11-28 18:31:43,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:43,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 18:31:43,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661414215] [2019-11-28 18:31:43,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:31:43,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:43,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:31:43,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:31:43,703 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2019-11-28 18:31:43,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:43,750 INFO L93 Difference]: Finished difference Result 61 states and 110 transitions. [2019-11-28 18:31:43,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:31:43,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 18:31:43,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:43,777 INFO L225 Difference]: With dead ends: 61 [2019-11-28 18:31:43,778 INFO L226 Difference]: Without dead ends: 45 [2019-11-28 18:31:43,779 INFO L630 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 [2019-11-28 18:31:43,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-28 18:31:43,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2019-11-28 18:31:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-28 18:31:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 75 transitions. [2019-11-28 18:31:43,816 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 75 transitions. Word has length 8 [2019-11-28 18:31:43,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:43,817 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 75 transitions. [2019-11-28 18:31:43,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:31:43,818 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2019-11-28 18:31:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:31:43,819 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:43,819 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:43,819 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:43,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:43,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1649012318, now seen corresponding path program 1 times [2019-11-28 18:31:43,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:43,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487517323] [2019-11-28 18:31:43,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:31:43,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487517323] [2019-11-28 18:31:43,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:43,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:31:43,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926161250] [2019-11-28 18:31:43,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:31:43,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:43,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:31:43,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:31:43,973 INFO L87 Difference]: Start difference. First operand 42 states and 75 transitions. Second operand 5 states. [2019-11-28 18:31:44,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:44,048 INFO L93 Difference]: Finished difference Result 46 states and 73 transitions. [2019-11-28 18:31:44,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:31:44,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 18:31:44,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:44,050 INFO L225 Difference]: With dead ends: 46 [2019-11-28 18:31:44,050 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:31:44,051 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-28 18:31:44,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:31:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-28 18:31:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 18:31:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 56 transitions. [2019-11-28 18:31:44,057 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 56 transitions. Word has length 9 [2019-11-28 18:31:44,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:44,058 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 56 transitions. [2019-11-28 18:31:44,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:31:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2019-11-28 18:31:44,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:31:44,059 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:44,059 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:44,059 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:44,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:44,060 INFO L82 PathProgramCache]: Analyzing trace with hash 443642582, now seen corresponding path program 1 times [2019-11-28 18:31:44,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:44,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479074763] [2019-11-28 18:31:44,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:31:44,130 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479074763] [2019-11-28 18:31:44,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:44,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 18:31:44,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64908788] [2019-11-28 18:31:44,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:31:44,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:44,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:31:44,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:31:44,132 INFO L87 Difference]: Start difference. First operand 36 states and 56 transitions. Second operand 3 states. [2019-11-28 18:31:44,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:44,137 INFO L93 Difference]: Finished difference Result 35 states and 54 transitions. [2019-11-28 18:31:44,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:31:44,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-28 18:31:44,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:44,139 INFO L225 Difference]: With dead ends: 35 [2019-11-28 18:31:44,139 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 18:31:44,139 INFO L630 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 [2019-11-28 18:31:44,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 18:31:44,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2019-11-28 18:31:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-28 18:31:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 49 transitions. [2019-11-28 18:31:44,144 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 49 transitions. Word has length 10 [2019-11-28 18:31:44,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:44,145 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 49 transitions. [2019-11-28 18:31:44,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:31:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2019-11-28 18:31:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:31:44,146 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:44,146 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:44,146 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:44,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:44,146 INFO L82 PathProgramCache]: Analyzing trace with hash 445376226, now seen corresponding path program 1 times [2019-11-28 18:31:44,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:44,147 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346814675] [2019-11-28 18:31:44,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:31:44,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346814675] [2019-11-28 18:31:44,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:44,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:31:44,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65863210] [2019-11-28 18:31:44,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:31:44,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:44,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:31:44,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:31:44,264 INFO L87 Difference]: Start difference. First operand 31 states and 49 transitions. Second operand 4 states. [2019-11-28 18:31:44,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:44,313 INFO L93 Difference]: Finished difference Result 37 states and 53 transitions. [2019-11-28 18:31:44,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:31:44,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-28 18:31:44,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:44,315 INFO L225 Difference]: With dead ends: 37 [2019-11-28 18:31:44,315 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 18:31:44,315 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:31:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 18:31:44,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2019-11-28 18:31:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 18:31:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-28 18:31:44,321 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 33 transitions. Word has length 10 [2019-11-28 18:31:44,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:44,321 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-28 18:31:44,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:31:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2019-11-28 18:31:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:31:44,322 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:44,323 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:44,323 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:44,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:44,323 INFO L82 PathProgramCache]: Analyzing trace with hash 420314951, now seen corresponding path program 1 times [2019-11-28 18:31:44,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:44,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757657957] [2019-11-28 18:31:44,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:31:44,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757657957] [2019-11-28 18:31:44,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:44,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:31:44,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258777638] [2019-11-28 18:31:44,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:31:44,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:44,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:31:44,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:31:44,422 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. Second operand 6 states. [2019-11-28 18:31:44,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:44,501 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2019-11-28 18:31:44,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:31:44,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 18:31:44,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:44,502 INFO L225 Difference]: With dead ends: 24 [2019-11-28 18:31:44,502 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 18:31:44,503 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-28 18:31:44,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 18:31:44,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-28 18:31:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 18:31:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-28 18:31:44,510 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2019-11-28 18:31:44,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:44,510 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-28 18:31:44,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:31:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-11-28 18:31:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:31:44,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:44,511 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:44,512 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:44,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:44,514 INFO L82 PathProgramCache]: Analyzing trace with hash 921846531, now seen corresponding path program 1 times [2019-11-28 18:31:44,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:44,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721001325] [2019-11-28 18:31:44,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:31:44,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721001325] [2019-11-28 18:31:44,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:44,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:31:44,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370073095] [2019-11-28 18:31:44,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:31:44,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:44,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:31:44,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:31:44,609 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 5 states. [2019-11-28 18:31:44,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:44,627 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2019-11-28 18:31:44,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:31:44,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 18:31:44,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:44,630 INFO L225 Difference]: With dead ends: 16 [2019-11-28 18:31:44,630 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:31:44,631 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:31:44,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:31:44,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:31:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:31:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:31:44,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:31:44,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:44,632 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:31:44,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:31:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:31:44,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:31:44,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:31:44 BasicIcfg [2019-11-28 18:31:44,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:31:44,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:31:44,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:31:44,637 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:31:44,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:31:41" (3/4) ... [2019-11-28 18:31:44,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:31:44,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:31:44,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:31:44,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:31:44,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:31:44,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:31:44,656 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:31:44,703 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:31:44,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:31:44,705 INFO L168 Benchmark]: Toolchain (without parser) took 4295.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 957.7 MB in the beginning and 819.3 MB in the end (delta: 138.3 MB). Peak memory consumption was 275.7 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:44,706 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:44,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:44,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:44,708 INFO L168 Benchmark]: Boogie Preprocessor took 24.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:44,709 INFO L168 Benchmark]: RCFGBuilder took 439.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:44,709 INFO L168 Benchmark]: TraceAbstraction took 2944.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 819.3 MB in the end (delta: 261.7 MB). Peak memory consumption was 261.7 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:44,710 INFO L168 Benchmark]: Witness Printer took 66.14 ms. Allocated memory is still 1.2 GB. Free memory is still 819.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:44,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 758.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 439.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2944.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 819.3 MB in the end (delta: 261.7 MB). Peak memory consumption was 261.7 MB. Max. memory is 11.5 GB. * Witness Printer took 66.14 ms. Allocated memory is still 1.2 GB. Free memory is still 819.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 63 ProgramPointsBefore, 21 ProgramPointsAfterwards, 54 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 230 VarBasedMoverChecksPositive, 11 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 12 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 467 CheckedPairsTotal, 44 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 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 SDtfs, 57 SDslu, 38 SDs, 0 SdLazy, 51 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 2668 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...