./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe012_tso.opt.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/safe012_tso.opt.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 cda713f6a603885f0914db1911afb5317a8794b1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:28:01,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:28:01,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:28:01,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:28:01,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:28:01,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:28:01,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:28:01,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:28:01,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:28:01,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:28:01,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:28:01,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:28:01,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:28:01,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:28:01,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:28:01,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:28:01,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:28:01,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:28:01,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:28:01,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:28:01,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:28:01,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:28:01,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:28:01,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:28:01,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:28:01,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:28:01,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:28:01,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:28:01,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:28:01,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:28:01,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:28:01,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:28:01,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:28:01,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:28:01,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:28:01,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:28:01,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:28:01,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:28:01,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:28:01,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:28:01,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:28:01,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:28:01,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:28:01,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:28:01,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:28:01,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:28:01,128 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:28:01,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:28:01,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:28:01,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:28:01,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:28:01,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:28:01,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:28:01,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:28:01,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:28:01,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:28:01,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:28:01,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:28:01,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:28:01,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:28:01,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:28:01,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:28:01,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:28:01,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:28:01,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:28:01,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:28:01,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:28:01,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:28:01,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:28:01,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:28:01,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:28:01,135 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 -> cda713f6a603885f0914db1911afb5317a8794b1 [2019-11-28 18:28:01,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:28:01,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:28:01,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:28:01,447 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:28:01,447 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:28:01,448 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe012_tso.opt.i [2019-11-28 18:28:01,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d76a0b59/09d86f17311a4112aa0f0d9f14b084fd/FLAGc3bc88323 [2019-11-28 18:28:02,096 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:28:02,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_tso.opt.i [2019-11-28 18:28:02,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d76a0b59/09d86f17311a4112aa0f0d9f14b084fd/FLAGc3bc88323 [2019-11-28 18:28:02,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d76a0b59/09d86f17311a4112aa0f0d9f14b084fd [2019-11-28 18:28:02,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:28:02,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:28:02,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:28:02,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:28:02,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:28:02,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:28:02" (1/1) ... [2019-11-28 18:28:02,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16617064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:02, skipping insertion in model container [2019-11-28 18:28:02,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:28:02" (1/1) ... [2019-11-28 18:28:02,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:28:02,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:28:02,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:28:02,940 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:28:03,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:28:03,097 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:28:03,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03 WrapperNode [2019-11-28 18:28:03,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:28:03,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:28:03,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:28:03,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:28:03,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (1/1) ... [2019-11-28 18:28:03,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (1/1) ... [2019-11-28 18:28:03,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:28:03,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:28:03,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:28:03,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:28:03,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (1/1) ... [2019-11-28 18:28:03,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (1/1) ... [2019-11-28 18:28:03,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (1/1) ... [2019-11-28 18:28:03,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (1/1) ... [2019-11-28 18:28:03,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (1/1) ... [2019-11-28 18:28:03,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (1/1) ... [2019-11-28 18:28:03,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (1/1) ... [2019-11-28 18:28:03,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:28:03,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:28:03,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:28:03,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:28:03,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (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 [2019-11-28 18:28:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:28:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:28:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:28:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:28:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:28:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:28:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:28:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:28:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:28:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:28:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:28:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:28:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:28:03,240 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 18:28:03,575 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:28:03,575 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:28:03,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:28:03 BoogieIcfgContainer [2019-11-28 18:28:03,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:28:03,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:28:03,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:28:03,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:28:03,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:28:02" (1/3) ... [2019-11-28 18:28:03,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33061c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:28:03, skipping insertion in model container [2019-11-28 18:28:03,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:28:03" (2/3) ... [2019-11-28 18:28:03,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33061c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:28:03, skipping insertion in model container [2019-11-28 18:28:03,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:28:03" (3/3) ... [2019-11-28 18:28:03,585 INFO L109 eAbstractionObserver]: Analyzing ICFG safe012_tso.opt.i [2019-11-28 18:28:03,596 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:28:03,596 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:28:03,603 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:28:03,604 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:28:03,633 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,634 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,634 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,635 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,635 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,636 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,637 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,637 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,637 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,638 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,638 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,638 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,639 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,639 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,639 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,639 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:28:03,679 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:28:03,700 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:28:03,701 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:28:03,701 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:28:03,701 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:28:03,702 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:28:03,703 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:28:03,703 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:28:03,703 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:28:03,720 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 55 transitions [2019-11-28 18:28:03,722 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 64 places, 55 transitions [2019-11-28 18:28:03,769 INFO L134 PetriNetUnfolder]: 1/52 cut-off events. [2019-11-28 18:28:03,769 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:28:03,779 INFO L76 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 52 events. 1/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/59 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:28:03,782 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 64 places, 55 transitions [2019-11-28 18:28:03,801 INFO L134 PetriNetUnfolder]: 1/52 cut-off events. [2019-11-28 18:28:03,801 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:28:03,802 INFO L76 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 52 events. 1/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/59 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:28:03,804 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:28:03,806 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:28:05,142 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-11-28 18:28:05,302 INFO L206 etLargeBlockEncoding]: Checked pairs total: 467 [2019-11-28 18:28:05,302 INFO L214 etLargeBlockEncoding]: Total number of compositions: 47 [2019-11-28 18:28:05,306 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-11-28 18:28:05,321 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-11-28 18:28:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-11-28 18:28:05,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:28:05,334 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:28:05,335 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:28:05,336 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:28:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:28:05,346 INFO L82 PathProgramCache]: Analyzing trace with hash 2019279745, now seen corresponding path program 1 times [2019-11-28 18:28:05,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:28:05,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120657433] [2019-11-28 18:28:05,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:28:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:28:05,795 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 18:28:05,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120657433] [2019-11-28 18:28:05,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:28:05,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 18:28:05,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237198780] [2019-11-28 18:28:05,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:28:05,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:28:05,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:28:05,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:28:05,826 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2019-11-28 18:28:05,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:28:05,860 INFO L93 Difference]: Finished difference Result 50 states and 96 transitions. [2019-11-28 18:28:05,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:28:05,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 18:28:05,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:28:05,875 INFO L225 Difference]: With dead ends: 50 [2019-11-28 18:28:05,875 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:28:05,877 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 18:28:05,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:28:05,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-28 18:28:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 18:28:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 69 transitions. [2019-11-28 18:28:05,920 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 69 transitions. Word has length 8 [2019-11-28 18:28:05,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:28:05,922 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 69 transitions. [2019-11-28 18:28:05,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:28:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2019-11-28 18:28:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:28:05,923 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:28:05,924 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:28:05,924 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:28:05,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:28:05,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1392638966, now seen corresponding path program 1 times [2019-11-28 18:28:05,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:28:05,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949023673] [2019-11-28 18:28:05,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:28:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:28:06,023 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 18:28:06,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949023673] [2019-11-28 18:28:06,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:28:06,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:28:06,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689641594] [2019-11-28 18:28:06,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:28:06,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:28:06,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:28:06,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:28:06,028 INFO L87 Difference]: Start difference. First operand 36 states and 69 transitions. Second operand 4 states. [2019-11-28 18:28:06,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:28:06,060 INFO L93 Difference]: Finished difference Result 34 states and 64 transitions. [2019-11-28 18:28:06,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:28:06,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-28 18:28:06,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:28:06,062 INFO L225 Difference]: With dead ends: 34 [2019-11-28 18:28:06,063 INFO L226 Difference]: Without dead ends: 34 [2019-11-28 18:28:06,063 INFO L630 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 [2019-11-28 18:28:06,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-28 18:28:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-11-28 18:28:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-28 18:28:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 64 transitions. [2019-11-28 18:28:06,069 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 64 transitions. Word has length 9 [2019-11-28 18:28:06,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:28:06,070 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 64 transitions. [2019-11-28 18:28:06,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:28:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2019-11-28 18:28:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:28:06,071 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:28:06,071 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:28:06,071 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:28:06,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:28:06,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1826755775, now seen corresponding path program 1 times [2019-11-28 18:28:06,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:28:06,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623921839] [2019-11-28 18:28:06,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:28:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:28:06,198 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 18:28:06,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623921839] [2019-11-28 18:28:06,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:28:06,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:28:06,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118224976] [2019-11-28 18:28:06,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:28:06,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:28:06,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:28:06,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:28:06,200 INFO L87 Difference]: Start difference. First operand 34 states and 64 transitions. Second operand 5 states. [2019-11-28 18:28:06,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:28:06,274 INFO L93 Difference]: Finished difference Result 37 states and 64 transitions. [2019-11-28 18:28:06,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:28:06,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 18:28:06,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:28:06,276 INFO L225 Difference]: With dead ends: 37 [2019-11-28 18:28:06,276 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 18:28:06,276 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 18:28:06,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 18:28:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 18:28:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 18:28:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 48 transitions. [2019-11-28 18:28:06,282 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 48 transitions. Word has length 9 [2019-11-28 18:28:06,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:28:06,283 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 48 transitions. [2019-11-28 18:28:06,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:28:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2019-11-28 18:28:06,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:28:06,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:28:06,285 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:28:06,285 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:28:06,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:28:06,286 INFO L82 PathProgramCache]: Analyzing trace with hash 222216556, now seen corresponding path program 1 times [2019-11-28 18:28:06,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:28:06,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359404890] [2019-11-28 18:28:06,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:28:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:28:06,379 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 18:28:06,380 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359404890] [2019-11-28 18:28:06,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:28:06,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:28:06,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414955651] [2019-11-28 18:28:06,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:28:06,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:28:06,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:28:06,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:28:06,382 INFO L87 Difference]: Start difference. First operand 29 states and 48 transitions. Second operand 4 states. [2019-11-28 18:28:06,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:28:06,407 INFO L93 Difference]: Finished difference Result 32 states and 50 transitions. [2019-11-28 18:28:06,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:28:06,408 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-28 18:28:06,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:28:06,408 INFO L225 Difference]: With dead ends: 32 [2019-11-28 18:28:06,409 INFO L226 Difference]: Without dead ends: 25 [2019-11-28 18:28:06,409 INFO L630 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 [2019-11-28 18:28:06,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-28 18:28:06,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-28 18:28:06,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-28 18:28:06,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2019-11-28 18:28:06,414 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 39 transitions. Word has length 10 [2019-11-28 18:28:06,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:28:06,414 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 39 transitions. [2019-11-28 18:28:06,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:28:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2019-11-28 18:28:06,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:28:06,415 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:28:06,415 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:28:06,416 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:28:06,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:28:06,416 INFO L82 PathProgramCache]: Analyzing trace with hash -794534279, now seen corresponding path program 1 times [2019-11-28 18:28:06,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:28:06,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285098955] [2019-11-28 18:28:06,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:28:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:28:06,474 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 18:28:06,474 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285098955] [2019-11-28 18:28:06,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:28:06,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 18:28:06,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411190513] [2019-11-28 18:28:06,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:28:06,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:28:06,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:28:06,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:28:06,477 INFO L87 Difference]: Start difference. First operand 25 states and 39 transitions. Second operand 3 states. [2019-11-28 18:28:06,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:28:06,486 INFO L93 Difference]: Finished difference Result 24 states and 37 transitions. [2019-11-28 18:28:06,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:28:06,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-28 18:28:06,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:28:06,488 INFO L225 Difference]: With dead ends: 24 [2019-11-28 18:28:06,488 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 18:28:06,488 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 18:28:06,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 18:28:06,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 18:28:06,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 18:28:06,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 37 transitions. [2019-11-28 18:28:06,499 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 37 transitions. Word has length 10 [2019-11-28 18:28:06,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:28:06,499 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 37 transitions. [2019-11-28 18:28:06,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:28:06,500 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2019-11-28 18:28:06,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:28:06,501 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:28:06,501 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:28:06,502 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:28:06,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:28:06,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1700901458, now seen corresponding path program 1 times [2019-11-28 18:28:06,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:28:06,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563974773] [2019-11-28 18:28:06,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:28:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:28:06,589 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 18:28:06,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563974773] [2019-11-28 18:28:06,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:28:06,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:28:06,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682278712] [2019-11-28 18:28:06,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:28:06,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:28:06,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:28:06,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:28:06,593 INFO L87 Difference]: Start difference. First operand 24 states and 37 transitions. Second operand 4 states. [2019-11-28 18:28:06,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:28:06,614 INFO L93 Difference]: Finished difference Result 26 states and 38 transitions. [2019-11-28 18:28:06,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:28:06,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:28:06,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:28:06,616 INFO L225 Difference]: With dead ends: 26 [2019-11-28 18:28:06,616 INFO L226 Difference]: Without dead ends: 15 [2019-11-28 18:28:06,617 INFO L630 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 [2019-11-28 18:28:06,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-28 18:28:06,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-28 18:28:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 18:28:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2019-11-28 18:28:06,620 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2019-11-28 18:28:06,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:28:06,620 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-28 18:28:06,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:28:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2019-11-28 18:28:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:28:06,621 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:28:06,622 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:28:06,622 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:28:06,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:28:06,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1139321736, now seen corresponding path program 2 times [2019-11-28 18:28:06,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:28:06,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760414983] [2019-11-28 18:28:06,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:28:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:28:06,690 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 18:28:06,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760414983] [2019-11-28 18:28:06,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:28:06,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:28:06,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581446650] [2019-11-28 18:28:06,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:28:06,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:28:06,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:28:06,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:28:06,692 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 4 states. [2019-11-28 18:28:06,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:28:06,731 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2019-11-28 18:28:06,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:28:06,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:28:06,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:28:06,735 INFO L225 Difference]: With dead ends: 14 [2019-11-28 18:28:06,735 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:28:06,735 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 18:28:06,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:28:06,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:28:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:28:06,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:28:06,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:28:06,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:28:06,737 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:28:06,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:28:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:28:06,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:28:06,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:28:06 BasicIcfg [2019-11-28 18:28:06,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:28:06,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:28:06,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:28:06,742 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:28:06,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:28:03" (3/4) ... [2019-11-28 18:28:06,746 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:28:06,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:28:06,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:28:06,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:28:06,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:28:06,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:28:06,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:28:06,823 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:28:06,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:28:06,826 INFO L168 Benchmark]: Toolchain (without parser) took 4479.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -228.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:28:06,829 INFO L168 Benchmark]: CDTParser took 0.83 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 18:28:06,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-11-28 18:28:06,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.15 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 18:28:06,839 INFO L168 Benchmark]: Boogie Preprocessor took 24.88 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 18:28:06,839 INFO L168 Benchmark]: RCFGBuilder took 401.01 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-28 18:28:06,840 INFO L168 Benchmark]: TraceAbstraction took 3163.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.7 MB). Peak memory consumption was 273.1 MB. Max. memory is 11.5 GB. [2019-11-28 18:28:06,840 INFO L168 Benchmark]: Witness Printer took 81.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-11-28 18:28:06,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 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 752.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.15 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 24.88 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 401.01 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3163.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.7 MB). Peak memory consumption was 273.1 MB. Max. memory is 11.5 GB. * Witness Printer took 81.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 64 ProgramPointsBefore, 21 ProgramPointsAfterwards, 55 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 228 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 13 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 467 CheckedPairsTotal, 47 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, 55 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 61 SDslu, 45 SDs, 0 SdLazy, 39 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 2731 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...