./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/thin002_pso.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/thin002_pso.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 62eab7c7adc1c6127f2b486315a22ea7b9450bc8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:34:38,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:34:38,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:34:38,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:34:38,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:34:38,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:34:38,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:34:38,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:34:38,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:34:38,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:34:38,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:34:38,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:34:38,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:34:38,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:34:38,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:34:38,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:34:38,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:34:38,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:34:38,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:34:38,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:34:38,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:34:38,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:34:38,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:34:38,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:34:38,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:34:38,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:34:38,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:34:38,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:34:38,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:34:38,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:34:38,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:34:38,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:34:38,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:34:38,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:34:38,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:34:38,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:34:38,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:34:38,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:34:38,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:34:38,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:34:38,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:34:38,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:34:38,381 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:34:38,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:34:38,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:34:38,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:34:38,386 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:34:38,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:34:38,387 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:34:38,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:34:38,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:34:38,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:34:38,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:34:38,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:34:38,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:34:38,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:34:38,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:34:38,390 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:34:38,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:34:38,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:34:38,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:34:38,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:34:38,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:34:38,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:34:38,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:34:38,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:34:38,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:34:38,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:34:38,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:34:38,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:34:38,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:34:38,398 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 -> 62eab7c7adc1c6127f2b486315a22ea7b9450bc8 [2019-11-28 18:34:38,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:34:38,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:34:38,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:34:38,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:34:38,701 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:34:38,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/thin002_pso.opt.i [2019-11-28 18:34:38,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7308d6a2d/d383b58730464b74bd6dc1f814983677/FLAG1d0c4c1c9 [2019-11-28 18:34:39,308 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:34:39,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_pso.opt.i [2019-11-28 18:34:39,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7308d6a2d/d383b58730464b74bd6dc1f814983677/FLAG1d0c4c1c9 [2019-11-28 18:34:39,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7308d6a2d/d383b58730464b74bd6dc1f814983677 [2019-11-28 18:34:39,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:34:39,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:34:39,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:34:39,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:34:39,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:34:39,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:34:39" (1/1) ... [2019-11-28 18:34:39,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551f8d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:39, skipping insertion in model container [2019-11-28 18:34:39,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:34:39" (1/1) ... [2019-11-28 18:34:39,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:34:39,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:34:40,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:34:40,153 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:34:40,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:34:40,281 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:34:40,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40 WrapperNode [2019-11-28 18:34:40,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:34:40,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:34:40,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:34:40,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:34:40,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (1/1) ... [2019-11-28 18:34:40,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (1/1) ... [2019-11-28 18:34:40,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:34:40,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:34:40,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:34:40,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:34:40,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (1/1) ... [2019-11-28 18:34:40,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (1/1) ... [2019-11-28 18:34:40,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (1/1) ... [2019-11-28 18:34:40,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (1/1) ... [2019-11-28 18:34:40,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (1/1) ... [2019-11-28 18:34:40,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (1/1) ... [2019-11-28 18:34:40,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (1/1) ... [2019-11-28 18:34:40,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:34:40,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:34:40,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:34:40,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:34:40,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (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 18:34:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:34:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:34:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:34:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:34:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:34:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:34:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:34:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:34:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:34:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:34:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 18:34:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 18:34:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:34:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:34:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:34:40,457 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 18:34:40,804 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:34:40,804 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:34:40,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:34:40 BoogieIcfgContainer [2019-11-28 18:34:40,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:34:40,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:34:40,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:34:40,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:34:40,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:34:39" (1/3) ... [2019-11-28 18:34:40,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c49c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:34:40, skipping insertion in model container [2019-11-28 18:34:40,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:40" (2/3) ... [2019-11-28 18:34:40,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c49c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:34:40, skipping insertion in model container [2019-11-28 18:34:40,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:34:40" (3/3) ... [2019-11-28 18:34:40,813 INFO L109 eAbstractionObserver]: Analyzing ICFG thin002_pso.opt.i [2019-11-28 18:34:40,823 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:34:40,823 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:34:40,832 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:34:40,835 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:34:40,876 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,877 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,877 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,877 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,878 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,878 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,878 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,878 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,879 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,879 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,879 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,879 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,882 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,883 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,883 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,883 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,884 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,884 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,884 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,885 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,885 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,885 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,885 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,886 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:40,910 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-28 18:34:40,927 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:34:40,927 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:34:40,927 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:34:40,927 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:34:40,928 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:34:40,928 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:34:40,928 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:34:40,928 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:34:40,942 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions [2019-11-28 18:34:40,944 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-11-28 18:34:40,990 INFO L134 PetriNetUnfolder]: 1/63 cut-off events. [2019-11-28 18:34:40,990 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:34:40,998 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 63 events. 1/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs. 12/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-11-28 18:34:41,001 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-11-28 18:34:41,033 INFO L134 PetriNetUnfolder]: 1/63 cut-off events. [2019-11-28 18:34:41,033 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:34:41,034 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 63 events. 1/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs. 12/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-11-28 18:34:41,036 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-11-28 18:34:41,038 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:34:42,544 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-11-28 18:34:42,644 INFO L206 etLargeBlockEncoding]: Checked pairs total: 723 [2019-11-28 18:34:42,645 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2019-11-28 18:34:42,648 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions [2019-11-28 18:34:42,666 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 110 states. [2019-11-28 18:34:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2019-11-28 18:34:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:34:42,675 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:42,676 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:42,676 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:42,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1014881653, now seen corresponding path program 1 times [2019-11-28 18:34:42,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:42,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073332018] [2019-11-28 18:34:42,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:42,952 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 18:34:42,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073332018] [2019-11-28 18:34:42,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:42,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 18:34:42,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894498464] [2019-11-28 18:34:42,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:34:42,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:42,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:34:42,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:34:42,977 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 3 states. [2019-11-28 18:34:43,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:43,017 INFO L93 Difference]: Finished difference Result 139 states and 354 transitions. [2019-11-28 18:34:43,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:34:43,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-28 18:34:43,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:43,032 INFO L225 Difference]: With dead ends: 139 [2019-11-28 18:34:43,032 INFO L226 Difference]: Without dead ends: 77 [2019-11-28 18:34:43,034 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 18:34:43,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-28 18:34:43,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-11-28 18:34:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-28 18:34:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 187 transitions. [2019-11-28 18:34:43,076 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 187 transitions. Word has length 10 [2019-11-28 18:34:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:43,078 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 187 transitions. [2019-11-28 18:34:43,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:34:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 187 transitions. [2019-11-28 18:34:43,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:34:43,079 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:43,080 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:43,080 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:43,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:43,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1386680118, now seen corresponding path program 1 times [2019-11-28 18:34:43,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:43,081 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402251690] [2019-11-28 18:34:43,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:43,186 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 18:34:43,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402251690] [2019-11-28 18:34:43,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:43,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:34:43,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153030081] [2019-11-28 18:34:43,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:34:43,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:43,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:34:43,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:34:43,190 INFO L87 Difference]: Start difference. First operand 77 states and 187 transitions. Second operand 4 states. [2019-11-28 18:34:43,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:43,220 INFO L93 Difference]: Finished difference Result 70 states and 164 transitions. [2019-11-28 18:34:43,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:34:43,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:34:43,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:43,224 INFO L225 Difference]: With dead ends: 70 [2019-11-28 18:34:43,224 INFO L226 Difference]: Without dead ends: 70 [2019-11-28 18:34:43,226 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:34:43,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-28 18:34:43,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-28 18:34:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-28 18:34:43,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-11-28 18:34:43,242 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 11 [2019-11-28 18:34:43,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:43,243 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-11-28 18:34:43,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:34:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-11-28 18:34:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:34:43,244 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:43,244 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:43,244 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:43,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:43,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1396559818, now seen corresponding path program 1 times [2019-11-28 18:34:43,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:43,246 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148772432] [2019-11-28 18:34:43,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:43,385 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 18:34:43,385 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148772432] [2019-11-28 18:34:43,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:43,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:34:43,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214943445] [2019-11-28 18:34:43,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:34:43,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:43,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:34:43,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:34:43,387 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-11-28 18:34:43,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:43,452 INFO L93 Difference]: Finished difference Result 75 states and 173 transitions. [2019-11-28 18:34:43,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:34:43,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:34:43,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:43,455 INFO L225 Difference]: With dead ends: 75 [2019-11-28 18:34:43,455 INFO L226 Difference]: Without dead ends: 75 [2019-11-28 18:34:43,456 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 18:34:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-28 18:34:43,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-11-28 18:34:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 18:34:43,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 173 transitions. [2019-11-28 18:34:43,466 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 173 transitions. Word has length 11 [2019-11-28 18:34:43,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:43,466 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 173 transitions. [2019-11-28 18:34:43,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:34:43,466 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 173 transitions. [2019-11-28 18:34:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 18:34:43,468 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:43,468 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:43,468 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:43,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:43,469 INFO L82 PathProgramCache]: Analyzing trace with hash 37410345, now seen corresponding path program 1 times [2019-11-28 18:34:43,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:43,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211191653] [2019-11-28 18:34:43,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:43,585 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 18:34:43,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211191653] [2019-11-28 18:34:43,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:43,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:34:43,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756895012] [2019-11-28 18:34:43,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:34:43,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:43,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:34:43,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:34:43,591 INFO L87 Difference]: Start difference. First operand 75 states and 173 transitions. Second operand 4 states. [2019-11-28 18:34:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:43,641 INFO L93 Difference]: Finished difference Result 72 states and 165 transitions. [2019-11-28 18:34:43,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:34:43,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-28 18:34:43,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:43,643 INFO L225 Difference]: With dead ends: 72 [2019-11-28 18:34:43,644 INFO L226 Difference]: Without dead ends: 72 [2019-11-28 18:34:43,644 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:34:43,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-11-28 18:34:43,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-11-28 18:34:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-28 18:34:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 160 transitions. [2019-11-28 18:34:43,656 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 160 transitions. Word has length 12 [2019-11-28 18:34:43,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:43,657 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 160 transitions. [2019-11-28 18:34:43,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:34:43,657 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 160 transitions. [2019-11-28 18:34:43,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 18:34:43,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:43,658 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:43,658 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:43,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:43,659 INFO L82 PathProgramCache]: Analyzing trace with hash 343681169, now seen corresponding path program 1 times [2019-11-28 18:34:43,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:43,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831840055] [2019-11-28 18:34:43,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:43,750 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 18:34:43,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831840055] [2019-11-28 18:34:43,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:43,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:34:43,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681956021] [2019-11-28 18:34:43,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:34:43,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:43,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:34:43,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:34:43,753 INFO L87 Difference]: Start difference. First operand 70 states and 160 transitions. Second operand 5 states. [2019-11-28 18:34:43,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:43,793 INFO L93 Difference]: Finished difference Result 76 states and 167 transitions. [2019-11-28 18:34:43,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:34:43,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-11-28 18:34:43,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:43,799 INFO L225 Difference]: With dead ends: 76 [2019-11-28 18:34:43,799 INFO L226 Difference]: Without dead ends: 56 [2019-11-28 18:34:43,800 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:34:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-28 18:34:43,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-11-28 18:34:43,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-28 18:34:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 119 transitions. [2019-11-28 18:34:43,811 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 119 transitions. Word has length 12 [2019-11-28 18:34:43,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:43,811 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 119 transitions. [2019-11-28 18:34:43,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:34:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 119 transitions. [2019-11-28 18:34:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 18:34:43,816 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:43,816 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:43,816 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:43,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:43,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1159720466, now seen corresponding path program 1 times [2019-11-28 18:34:43,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:43,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162593575] [2019-11-28 18:34:43,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:43,993 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 18:34:43,993 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162593575] [2019-11-28 18:34:43,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:43,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:34:43,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277637350] [2019-11-28 18:34:43,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:34:43,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:43,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:34:43,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:34:43,997 INFO L87 Difference]: Start difference. First operand 56 states and 119 transitions. Second operand 6 states. [2019-11-28 18:34:44,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:44,094 INFO L93 Difference]: Finished difference Result 60 states and 122 transitions. [2019-11-28 18:34:44,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:34:44,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-28 18:34:44,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:44,096 INFO L225 Difference]: With dead ends: 60 [2019-11-28 18:34:44,096 INFO L226 Difference]: Without dead ends: 48 [2019-11-28 18:34:44,096 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-28 18:34:44,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-28 18:34:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-11-28 18:34:44,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-28 18:34:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 94 transitions. [2019-11-28 18:34:44,101 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 94 transitions. Word has length 13 [2019-11-28 18:34:44,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:44,101 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 94 transitions. [2019-11-28 18:34:44,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:34:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2019-11-28 18:34:44,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 18:34:44,102 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:44,103 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:44,103 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:44,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:44,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1163087066, now seen corresponding path program 2 times [2019-11-28 18:34:44,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:44,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395813147] [2019-11-28 18:34:44,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:44,183 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 18:34:44,183 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395813147] [2019-11-28 18:34:44,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:44,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 18:34:44,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581758427] [2019-11-28 18:34:44,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 18:34:44,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:44,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 18:34:44,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 18:34:44,185 INFO L87 Difference]: Start difference. First operand 48 states and 94 transitions. Second operand 7 states. [2019-11-28 18:34:44,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:44,287 INFO L93 Difference]: Finished difference Result 48 states and 92 transitions. [2019-11-28 18:34:44,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 18:34:44,288 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-28 18:34:44,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:44,289 INFO L225 Difference]: With dead ends: 48 [2019-11-28 18:34:44,289 INFO L226 Difference]: Without dead ends: 44 [2019-11-28 18:34:44,289 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-11-28 18:34:44,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-28 18:34:44,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-11-28 18:34:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-28 18:34:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 86 transitions. [2019-11-28 18:34:44,293 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 86 transitions. Word has length 13 [2019-11-28 18:34:44,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:44,294 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 86 transitions. [2019-11-28 18:34:44,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 18:34:44,294 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2019-11-28 18:34:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 18:34:44,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:44,295 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:44,295 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:44,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:44,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1696039468, now seen corresponding path program 1 times [2019-11-28 18:34:44,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:44,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948156293] [2019-11-28 18:34:44,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:44,409 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 18:34:44,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948156293] [2019-11-28 18:34:44,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:44,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:34:44,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602091688] [2019-11-28 18:34:44,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:34:44,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:44,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:34:44,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:34:44,411 INFO L87 Difference]: Start difference. First operand 44 states and 86 transitions. Second operand 5 states. [2019-11-28 18:34:44,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:44,438 INFO L93 Difference]: Finished difference Result 53 states and 97 transitions. [2019-11-28 18:34:44,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:34:44,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-28 18:34:44,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:44,439 INFO L225 Difference]: With dead ends: 53 [2019-11-28 18:34:44,439 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:34:44,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:34:44,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:34:44,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-28 18:34:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 18:34:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 62 transitions. [2019-11-28 18:34:44,444 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 62 transitions. Word has length 14 [2019-11-28 18:34:44,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:44,444 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 62 transitions. [2019-11-28 18:34:44,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:34:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2019-11-28 18:34:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 18:34:44,447 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:44,447 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:44,447 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:44,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:44,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1405601952, now seen corresponding path program 2 times [2019-11-28 18:34:44,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:44,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306991758] [2019-11-28 18:34:44,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:44,557 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 18:34:44,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306991758] [2019-11-28 18:34:44,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:44,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:34:44,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122139198] [2019-11-28 18:34:44,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:34:44,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:44,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:34:44,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:34:44,559 INFO L87 Difference]: Start difference. First operand 36 states and 62 transitions. Second operand 5 states. [2019-11-28 18:34:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:44,593 INFO L93 Difference]: Finished difference Result 38 states and 63 transitions. [2019-11-28 18:34:44,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:34:44,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-28 18:34:44,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:44,594 INFO L225 Difference]: With dead ends: 38 [2019-11-28 18:34:44,594 INFO L226 Difference]: Without dead ends: 21 [2019-11-28 18:34:44,595 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:34:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-28 18:34:44,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-28 18:34:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 18:34:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-11-28 18:34:44,597 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 14 [2019-11-28 18:34:44,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:44,598 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-11-28 18:34:44,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:34:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-11-28 18:34:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 18:34:44,598 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:44,599 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:44,599 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:44,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:44,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1389601302, now seen corresponding path program 3 times [2019-11-28 18:34:44,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:44,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165199077] [2019-11-28 18:34:44,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:44,685 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 18:34:44,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165199077] [2019-11-28 18:34:44,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:44,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:34:44,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096228397] [2019-11-28 18:34:44,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:34:44,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:44,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:34:44,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:34:44,688 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand 5 states. [2019-11-28 18:34:44,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:44,700 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2019-11-28 18:34:44,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:34:44,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-28 18:34:44,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:44,701 INFO L225 Difference]: With dead ends: 20 [2019-11-28 18:34:44,701 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:34:44,701 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:34:44,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:34:44,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:34:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:34:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:34:44,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-28 18:34:44,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:44,702 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:34:44,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:34:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:34:44,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:34:44,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:34:44 BasicIcfg [2019-11-28 18:34:44,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:34:44,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:34:44,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:34:44,707 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:34:44,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:34:40" (3/4) ... [2019-11-28 18:34:44,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:34:44,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:34:44,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:34:44,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:34:44,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2019-11-28 18:34:44,722 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-28 18:34:44,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:34:44,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:34:44,790 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:34:44,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:34:44,793 INFO L168 Benchmark]: Toolchain (without parser) took 5184.84 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -135.8 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. [2019-11-28 18:34:44,793 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:34:44,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-28 18:34:44,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.90 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 18:34:44,795 INFO L168 Benchmark]: Boogie Preprocessor took 25.95 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 18:34:44,795 INFO L168 Benchmark]: RCFGBuilder took 419.06 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:34:44,798 INFO L168 Benchmark]: TraceAbstraction took 3899.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 471.6 kB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. [2019-11-28 18:34:44,799 INFO L168 Benchmark]: Witness Printer took 83.57 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:34:44,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 673.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.90 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 25.95 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 419.06 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3899.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 471.6 kB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. * Witness Printer took 83.57 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. 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: 1.7s, 79 ProgramPointsBefore, 28 ProgramPointsAfterwards, 67 TransitionsBefore, 21 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 358 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 723 CheckedPairsTotal, 56 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 1 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 173 SDslu, 106 SDs, 0 SdLazy, 105 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 7536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...