./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer --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 69cac53c55de48b930c858215becd0efd9f12afb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:29:46,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:29:46,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:29:46,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:29:46,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:29:46,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:29:46,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:29:46,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:29:46,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:29:46,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:29:46,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:29:46,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:29:46,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:29:46,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:29:46,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:29:46,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:29:46,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:29:46,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:29:46,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:29:46,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:29:46,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:29:46,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:29:46,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:29:46,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:29:46,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:29:46,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:29:46,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:29:46,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:29:46,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:29:46,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:29:46,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:29:46,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:29:46,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:29:46,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:29:46,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:29:46,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:29:46,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:29:46,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:29:46,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:29:46,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:29:46,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:29:46,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:29:46,362 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:29:46,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:29:46,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:29:46,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:29:46,364 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:29:46,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:29:46,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:29:46,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:29:46,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:29:46,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:29:46,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:29:46,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:29:46,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:29:46,366 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:29:46,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:29:46,366 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:29:46,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:29:46,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:29:46,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:29:46,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:29:46,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:29:46,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:29:46,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:29:46,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:29:46,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:29:46,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:29:46,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:29:46,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:29:46,369 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer 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 -> 69cac53c55de48b930c858215becd0efd9f12afb [2019-11-15 21:29:46,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:29:46,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:29:46,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:29:46,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:29:46,416 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:29:46,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe025_pso.oepc.i [2019-11-15 21:29:46,495 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/data/f974a0368/a33a3dbdaf0a4a3ba7bbc974c27fe802/FLAG004e47fb7 [2019-11-15 21:29:47,029 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:29:47,034 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/sv-benchmarks/c/pthread-wmm/safe025_pso.oepc.i [2019-11-15 21:29:47,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/data/f974a0368/a33a3dbdaf0a4a3ba7bbc974c27fe802/FLAG004e47fb7 [2019-11-15 21:29:47,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/data/f974a0368/a33a3dbdaf0a4a3ba7bbc974c27fe802 [2019-11-15 21:29:47,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:29:47,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:29:47,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:29:47,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:29:47,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:29:47,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:29:47" (1/1) ... [2019-11-15 21:29:47,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7dd61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:47, skipping insertion in model container [2019-11-15 21:29:47,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:29:47" (1/1) ... [2019-11-15 21:29:47,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:29:47,461 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:29:47,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:29:47,972 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:29:48,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:29:48,081 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:29:48,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48 WrapperNode [2019-11-15 21:29:48,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:29:48,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:29:48,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:29:48,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:29:48,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... [2019-11-15 21:29:48,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... [2019-11-15 21:29:48,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:29:48,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:29:48,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:29:48,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:29:48,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... [2019-11-15 21:29:48,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... [2019-11-15 21:29:48,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... [2019-11-15 21:29:48,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... [2019-11-15 21:29:48,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... [2019-11-15 21:29:48,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... [2019-11-15 21:29:48,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... [2019-11-15 21:29:48,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:29:48,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:29:48,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:29:48,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:29:48,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/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 [2019-11-15 21:29:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:29:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 21:29:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:29:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:29:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 21:29:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 21:29:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 21:29:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 21:29:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 21:29:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 21:29:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 21:29:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:29:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:29:48,248 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 21:29:48,582 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:29:48,582 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 21:29:48,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:29:48 BoogieIcfgContainer [2019-11-15 21:29:48,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:29:48,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:29:48,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:29:48,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:29:48,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:29:47" (1/3) ... [2019-11-15 21:29:48,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@917c06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:29:48, skipping insertion in model container [2019-11-15 21:29:48,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:48" (2/3) ... [2019-11-15 21:29:48,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@917c06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:29:48, skipping insertion in model container [2019-11-15 21:29:48,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:29:48" (3/3) ... [2019-11-15 21:29:48,589 INFO L109 eAbstractionObserver]: Analyzing ICFG safe025_pso.oepc.i [2019-11-15 21:29:48,618 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,619 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,619 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,619 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,620 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,620 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,621 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,621 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,621 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,621 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,622 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,622 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,622 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,623 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,623 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,623 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,623 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,624 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:29:48,633 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 21:29:48,633 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:29:48,641 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:29:48,652 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:29:48,671 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:29:48,672 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:29:48,672 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:29:48,672 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:29:48,672 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:29:48,673 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:29:48,673 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:29:48,673 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:29:48,682 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 50 transitions [2019-11-15 21:29:48,776 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-15 21:29:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-15 21:29:48,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 21:29:48,793 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:48,794 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:48,796 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:29:48,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:48,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1842840898, now seen corresponding path program 1 times [2019-11-15 21:29:48,810 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:48,811 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46769958] [2019-11-15 21:29:48,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:48,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:48,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:49,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46769958] [2019-11-15 21:29:49,154 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:29:49,154 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:29:49,154 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475053799] [2019-11-15 21:29:49,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:29:49,158 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:29:49,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:29:49,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:29:49,175 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-15 21:29:49,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:49,296 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-15 21:29:49,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:29:49,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-15 21:29:49,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:49,339 INFO L225 Difference]: With dead ends: 1294 [2019-11-15 21:29:49,339 INFO L226 Difference]: Without dead ends: 600 [2019-11-15 21:29:49,341 INFO L600 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 [2019-11-15 21:29:49,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-15 21:29:49,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-15 21:29:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-15 21:29:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-15 21:29:49,457 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-15 21:29:49,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:49,457 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-15 21:29:49,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:29:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-15 21:29:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 21:29:49,469 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:49,477 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:49,477 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:29:49,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:49,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1602831640, now seen corresponding path program 1 times [2019-11-15 21:29:49,478 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:49,478 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306022577] [2019-11-15 21:29:49,478 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:49,478 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:49,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:49,655 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306022577] [2019-11-15 21:29:49,655 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:29:49,655 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 21:29:49,656 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684424021] [2019-11-15 21:29:49,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 21:29:49,657 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:29:49,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:29:49,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:29:49,658 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-15 21:29:49,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:49,739 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-15 21:29:49,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:29:49,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-15 21:29:49,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:49,746 INFO L225 Difference]: With dead ends: 600 [2019-11-15 21:29:49,746 INFO L226 Difference]: Without dead ends: 537 [2019-11-15 21:29:49,747 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:29:49,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-15 21:29:49,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-15 21:29:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-15 21:29:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-15 21:29:49,772 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-15 21:29:49,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:49,773 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-15 21:29:49,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 21:29:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-15 21:29:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:29:49,781 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:49,781 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:49,782 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:29:49,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:49,782 INFO L82 PathProgramCache]: Analyzing trace with hash 885551816, now seen corresponding path program 1 times [2019-11-15 21:29:49,782 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:49,782 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334830715] [2019-11-15 21:29:49,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:49,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:49,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:49,939 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334830715] [2019-11-15 21:29:49,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:29:49,940 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 21:29:49,940 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073060402] [2019-11-15 21:29:49,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:29:49,940 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:29:49,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:29:49,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:29:49,941 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-15 21:29:50,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:50,037 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-15 21:29:50,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:29:50,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-15 21:29:50,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:50,041 INFO L225 Difference]: With dead ends: 402 [2019-11-15 21:29:50,041 INFO L226 Difference]: Without dead ends: 348 [2019-11-15 21:29:50,042 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:29:50,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-15 21:29:50,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-15 21:29:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-15 21:29:50,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-15 21:29:50,056 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-15 21:29:50,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:50,057 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-15 21:29:50,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:29:50,057 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-15 21:29:50,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 21:29:50,059 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:50,059 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:50,059 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:29:50,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:50,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1058177461, now seen corresponding path program 1 times [2019-11-15 21:29:50,060 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:50,060 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223850511] [2019-11-15 21:29:50,061 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:50,061 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:50,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:50,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223850511] [2019-11-15 21:29:50,211 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:29:50,211 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:29:50,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216771573] [2019-11-15 21:29:50,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:29:50,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:29:50,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:29:50,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:29:50,213 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-11-15 21:29:50,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:50,370 INFO L93 Difference]: Finished difference Result 519 states and 1394 transitions. [2019-11-15 21:29:50,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:29:50,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 21:29:50,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:50,374 INFO L225 Difference]: With dead ends: 519 [2019-11-15 21:29:50,374 INFO L226 Difference]: Without dead ends: 336 [2019-11-15 21:29:50,377 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:29:50,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-11-15 21:29:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2019-11-15 21:29:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-11-15 21:29:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 881 transitions. [2019-11-15 21:29:50,390 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 881 transitions. Word has length 33 [2019-11-15 21:29:50,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:50,391 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 881 transitions. [2019-11-15 21:29:50,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:29:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 881 transitions. [2019-11-15 21:29:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 21:29:50,394 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:50,395 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:50,395 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:29:50,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:50,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2043326107, now seen corresponding path program 2 times [2019-11-15 21:29:50,396 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:50,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368925906] [2019-11-15 21:29:50,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:50,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:50,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:50,585 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368925906] [2019-11-15 21:29:50,586 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:29:50,586 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:29:50,586 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621247228] [2019-11-15 21:29:50,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:29:50,587 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:29:50,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:29:50,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:29:50,588 INFO L87 Difference]: Start difference. First operand 336 states and 881 transitions. Second operand 7 states. [2019-11-15 21:29:50,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:50,709 INFO L93 Difference]: Finished difference Result 498 states and 1340 transitions. [2019-11-15 21:29:50,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:29:50,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 21:29:50,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:50,713 INFO L225 Difference]: With dead ends: 498 [2019-11-15 21:29:50,714 INFO L226 Difference]: Without dead ends: 264 [2019-11-15 21:29:50,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:29:50,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-11-15 21:29:50,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-11-15 21:29:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-11-15 21:29:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 695 transitions. [2019-11-15 21:29:50,727 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 695 transitions. Word has length 33 [2019-11-15 21:29:50,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:50,728 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 695 transitions. [2019-11-15 21:29:50,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:29:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 695 transitions. [2019-11-15 21:29:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 21:29:50,735 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:50,735 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:50,735 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:29:50,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:50,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1540537919, now seen corresponding path program 3 times [2019-11-15 21:29:50,736 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:50,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661464235] [2019-11-15 21:29:50,737 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:50,737 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:50,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:50,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661464235] [2019-11-15 21:29:50,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:29:50,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:29:50,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478484304] [2019-11-15 21:29:50,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:29:50,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:29:50,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:29:50,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:29:50,940 INFO L87 Difference]: Start difference. First operand 264 states and 695 transitions. Second operand 7 states. [2019-11-15 21:29:51,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:51,201 INFO L93 Difference]: Finished difference Result 210 states and 533 transitions. [2019-11-15 21:29:51,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:29:51,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 21:29:51,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:51,202 INFO L225 Difference]: With dead ends: 210 [2019-11-15 21:29:51,202 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:29:51,202 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:29:51,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:29:51,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:29:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:29:51,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:29:51,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-15 21:29:51,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:51,204 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:29:51,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:29:51,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:29:51,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:29:51,207 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 21:29:51,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:29:51 BasicIcfg [2019-11-15 21:29:51,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:29:51,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:29:51,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:29:51,210 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:29:51,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:29:48" (3/4) ... [2019-11-15 21:29:51,215 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:29:51,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 21:29:51,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 21:29:51,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 21:29:51,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 21:29:51,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 21:29:51,309 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_06f639c3-4acc-464e-a310-c26b980d5bb2/bin/uautomizer/witness.graphml [2019-11-15 21:29:51,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:29:51,312 INFO L168 Benchmark]: Toolchain (without parser) took 3936.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 946.2 MB in the beginning and 822.2 MB in the end (delta: 123.9 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:51,316 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:51,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:51,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:51,318 INFO L168 Benchmark]: Boogie Preprocessor took 44.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:51,318 INFO L168 Benchmark]: RCFGBuilder took 407.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:51,320 INFO L168 Benchmark]: TraceAbstraction took 2625.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 829.1 MB in the end (delta: 221.7 MB). Peak memory consumption was 221.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:51,327 INFO L168 Benchmark]: Witness Printer took 99.86 ms. Allocated memory is still 1.1 GB. Free memory was 829.1 MB in the beginning and 822.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:51,329 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 706.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 407.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2625.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 829.1 MB in the end (delta: 221.7 MB). Peak memory consumption was 221.7 MB. Max. memory is 11.5 GB. * Witness Printer took 99.86 ms. Allocated memory is still 1.1 GB. Free memory was 829.1 MB in the beginning and 822.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 7 procedures, 65 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 296 SDtfs, 386 SDslu, 780 SDs, 0 SdLazy, 115 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 16334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...