./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/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 63c908dc16e268ba3879104025f403c0a306c18f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:33:11,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:33:11,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:33:11,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:33:11,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:33:11,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:33:11,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:33:11,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:33:11,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:33:11,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:33:11,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:33:11,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:33:11,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:33:11,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:33:11,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:33:11,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:33:11,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:33:11,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:33:11,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:33:11,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:33:11,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:33:11,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:33:11,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:33:11,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:33:11,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:33:11,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:33:11,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:33:11,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:33:11,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:33:11,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:33:11,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:33:11,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:33:11,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:33:11,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:33:11,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:33:11,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:33:11,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:33:11,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:33:11,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:33:11,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:33:11,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:33:11,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:33:11,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:33:11,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:33:11,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:33:11,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:33:11,209 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:33:11,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:33:11,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:33:11,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:33:11,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:33:11,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:33:11,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:33:11,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:33:11,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:33:11,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:33:11,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:33:11,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:33:11,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:33:11,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:33:11,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:33:11,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:33:11,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:33:11,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:33:11,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:33:11,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:33:11,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:33:11,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:33:11,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:33:11,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:33:11,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:33:11,213 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_39ee45da-160a-4932-932d-a72de767dca5/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 -> 63c908dc16e268ba3879104025f403c0a306c18f [2019-12-07 17:33:11,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:33:11,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:33:11,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:33:11,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:33:11,329 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:33:11,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2019-12-07 17:33:11,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/data/7e9aaa05e/62ac2a7245f24da08422f9f27ede2e99/FLAG29a88115e [2019-12-07 17:33:11,821 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:33:11,821 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2019-12-07 17:33:11,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/data/7e9aaa05e/62ac2a7245f24da08422f9f27ede2e99/FLAG29a88115e [2019-12-07 17:33:11,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/data/7e9aaa05e/62ac2a7245f24da08422f9f27ede2e99 [2019-12-07 17:33:11,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:33:11,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:33:11,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:33:11,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:33:11,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:33:11,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:33:11" (1/1) ... [2019-12-07 17:33:11,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d02537e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:11, skipping insertion in model container [2019-12-07 17:33:11,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:33:11" (1/1) ... [2019-12-07 17:33:11,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:33:11,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:33:12,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:33:12,118 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:33:12,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:33:12,192 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:33:12,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12 WrapperNode [2019-12-07 17:33:12,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:33:12,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:33:12,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:33:12,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:33:12,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... [2019-12-07 17:33:12,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... [2019-12-07 17:33:12,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:33:12,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:33:12,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:33:12,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:33:12,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... [2019-12-07 17:33:12,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... [2019-12-07 17:33:12,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... [2019-12-07 17:33:12,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... [2019-12-07 17:33:12,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... [2019-12-07 17:33:12,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... [2019-12-07 17:33:12,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... [2019-12-07 17:33:12,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:33:12,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:33:12,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:33:12,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:33:12,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/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 [2019-12-07 17:33:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:33:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-07 17:33:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:33:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:33:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-07 17:33:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-07 17:33:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-07 17:33:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-07 17:33:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-07 17:33:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-07 17:33:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-07 17:33:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:33:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:33:12,284 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 17:33:12,452 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:33:12,452 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 17:33:12,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:33:12 BoogieIcfgContainer [2019-12-07 17:33:12,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:33:12,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:33:12,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:33:12,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:33:12,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:33:11" (1/3) ... [2019-12-07 17:33:12,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6b7b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:33:12, skipping insertion in model container [2019-12-07 17:33:12,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:33:12" (2/3) ... [2019-12-07 17:33:12,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6b7b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:33:12, skipping insertion in model container [2019-12-07 17:33:12,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:33:12" (3/3) ... [2019-12-07 17:33:12,458 INFO L109 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt.i [2019-12-07 17:33:12,464 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 17:33:12,464 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:33:12,468 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:33:12,468 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 17:33:12,485 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,485 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,485 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,485 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,486 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,486 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,486 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,486 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,487 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,487 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,487 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,487 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,487 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,487 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:33:12,501 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 17:33:12,513 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:33:12,513 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:33:12,513 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:33:12,513 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:33:12,513 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:33:12,513 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:33:12,513 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:33:12,513 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:33:12,521 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 53 transitions [2019-12-07 17:33:12,522 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-12-07 17:33:12,547 INFO L134 PetriNetUnfolder]: 1/50 cut-off events. [2019-12-07 17:33:12,547 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 17:33:12,552 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-07 17:33:12,553 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-12-07 17:33:12,562 INFO L134 PetriNetUnfolder]: 1/50 cut-off events. [2019-12-07 17:33:12,563 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 17:33:12,563 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-07 17:33:12,564 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-12-07 17:33:12,565 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 17:33:13,338 INFO L206 etLargeBlockEncoding]: Checked pairs total: 501 [2019-12-07 17:33:13,339 INFO L214 etLargeBlockEncoding]: Total number of compositions: 44 [2019-12-07 17:33:13,341 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 17 transitions [2019-12-07 17:33:13,349 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 54 states. [2019-12-07 17:33:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-12-07 17:33:13,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 17:33:13,355 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:33:13,355 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:33:13,355 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:33:13,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:33:13,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1273726136, now seen corresponding path program 1 times [2019-12-07 17:33:13,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:33:13,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062133058] [2019-12-07 17:33:13,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:33:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:33:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:33:13,528 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062133058] [2019-12-07 17:33:13,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:33:13,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:33:13,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078798029] [2019-12-07 17:33:13,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:33:13,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:33:13,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:33:13,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:33:13,543 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 4 states. [2019-12-07 17:33:13,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:33:13,588 INFO L93 Difference]: Finished difference Result 58 states and 113 transitions. [2019-12-07 17:33:13,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:33:13,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-07 17:33:13,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:33:13,597 INFO L225 Difference]: With dead ends: 58 [2019-12-07 17:33:13,597 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 17:33:13,598 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 [2019-12-07 17:33:13,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 17:33:13,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 17:33:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 17:33:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 68 transitions. [2019-12-07 17:33:13,622 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 68 transitions. Word has length 8 [2019-12-07 17:33:13,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:33:13,623 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 68 transitions. [2019-12-07 17:33:13,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:33:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-12-07 17:33:13,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 17:33:13,624 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:33:13,624 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:33:13,624 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:33:13,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:33:13,624 INFO L82 PathProgramCache]: Analyzing trace with hash 724458, now seen corresponding path program 1 times [2019-12-07 17:33:13,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:33:13,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652254266] [2019-12-07 17:33:13,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:33:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:33:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:33:13,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652254266] [2019-12-07 17:33:13,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:33:13,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:33:13,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272182692] [2019-12-07 17:33:13,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:33:13,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:33:13,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:33:13,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:33:13,692 INFO L87 Difference]: Start difference. First operand 36 states and 68 transitions. Second operand 5 states. [2019-12-07 17:33:13,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:33:13,733 INFO L93 Difference]: Finished difference Result 37 states and 62 transitions. [2019-12-07 17:33:13,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:33:13,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-12-07 17:33:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:33:13,734 INFO L225 Difference]: With dead ends: 37 [2019-12-07 17:33:13,734 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 17:33:13,735 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:33:13,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 17:33:13,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-12-07 17:33:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 17:33:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 50 transitions. [2019-12-07 17:33:13,738 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 50 transitions. Word has length 9 [2019-12-07 17:33:13,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:33:13,738 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 50 transitions. [2019-12-07 17:33:13,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:33:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-12-07 17:33:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 17:33:13,739 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:33:13,739 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:33:13,739 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:33:13,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:33:13,739 INFO L82 PathProgramCache]: Analyzing trace with hash 17019253, now seen corresponding path program 1 times [2019-12-07 17:33:13,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:33:13,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528407539] [2019-12-07 17:33:13,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:33:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:33:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:33:13,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528407539] [2019-12-07 17:33:13,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:33:13,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:33:13,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526553727] [2019-12-07 17:33:13,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:33:13,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:33:13,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:33:13,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:33:13,783 INFO L87 Difference]: Start difference. First operand 30 states and 50 transitions. Second operand 3 states. [2019-12-07 17:33:13,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:33:13,792 INFO L93 Difference]: Finished difference Result 34 states and 52 transitions. [2019-12-07 17:33:13,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:33:13,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 17:33:13,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:33:13,793 INFO L225 Difference]: With dead ends: 34 [2019-12-07 17:33:13,793 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 17:33:13,793 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:33:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 17:33:13,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2019-12-07 17:33:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 17:33:13,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 45 transitions. [2019-12-07 17:33:13,796 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 45 transitions. Word has length 10 [2019-12-07 17:33:13,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:33:13,797 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 45 transitions. [2019-12-07 17:33:13,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:33:13,797 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2019-12-07 17:33:13,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 17:33:13,797 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:33:13,797 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:33:13,797 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:33:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:33:13,798 INFO L82 PathProgramCache]: Analyzing trace with hash 22499836, now seen corresponding path program 1 times [2019-12-07 17:33:13,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:33:13,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357978634] [2019-12-07 17:33:13,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:33:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:33:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:33:13,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357978634] [2019-12-07 17:33:13,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:33:13,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:33:13,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114012303] [2019-12-07 17:33:13,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:33:13,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:33:13,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:33:13,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:33:13,842 INFO L87 Difference]: Start difference. First operand 29 states and 45 transitions. Second operand 4 states. [2019-12-07 17:33:13,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:33:13,854 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2019-12-07 17:33:13,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:33:13,855 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 17:33:13,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:33:13,855 INFO L225 Difference]: With dead ends: 35 [2019-12-07 17:33:13,855 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 17:33:13,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:33:13,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 17:33:13,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2019-12-07 17:33:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 17:33:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-07 17:33:13,858 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 10 [2019-12-07 17:33:13,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:33:13,858 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-07 17:33:13,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:33:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-07 17:33:13,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 17:33:13,858 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:33:13,858 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:33:13,859 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:33:13,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:33:13,859 INFO L82 PathProgramCache]: Analyzing trace with hash -183428321, now seen corresponding path program 1 times [2019-12-07 17:33:13,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:33:13,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132017841] [2019-12-07 17:33:13,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:33:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:33:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:33:13,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132017841] [2019-12-07 17:33:13,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:33:13,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 17:33:13,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987314219] [2019-12-07 17:33:13,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:33:13,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:33:13,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:33:13,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:33:13,885 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 3 states. [2019-12-07 17:33:13,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:33:13,889 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2019-12-07 17:33:13,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:33:13,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 17:33:13,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:33:13,889 INFO L225 Difference]: With dead ends: 24 [2019-12-07 17:33:13,889 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 17:33:13,890 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 [2019-12-07 17:33:13,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 17:33:13,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 17:33:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 17:33:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2019-12-07 17:33:13,892 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 10 [2019-12-07 17:33:13,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:33:13,892 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2019-12-07 17:33:13,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:33:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-12-07 17:33:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 17:33:13,892 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:33:13,892 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:33:13,892 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:33:13,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:33:13,893 INFO L82 PathProgramCache]: Analyzing trace with hash 527638481, now seen corresponding path program 1 times [2019-12-07 17:33:13,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:33:13,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774951984] [2019-12-07 17:33:13,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:33:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:33:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:33:13,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774951984] [2019-12-07 17:33:13,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:33:13,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:33:13,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749560078] [2019-12-07 17:33:13,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:33:13,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:33:13,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:33:13,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:33:13,922 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand 4 states. [2019-12-07 17:33:13,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:33:13,931 INFO L93 Difference]: Finished difference Result 18 states and 24 transitions. [2019-12-07 17:33:13,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:33:13,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 17:33:13,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:33:13,932 INFO L225 Difference]: With dead ends: 18 [2019-12-07 17:33:13,932 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:33:13,932 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 [2019-12-07 17:33:13,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:33:13,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:33:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:33:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:33:13,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-12-07 17:33:13,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:33:13,933 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:33:13,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:33:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:33:13,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:33:13,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:33:13 BasicIcfg [2019-12-07 17:33:13,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:33:13,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:33:13,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:33:13,936 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:33:13,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:33:12" (3/4) ... [2019-12-07 17:33:13,938 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:33:13,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-12-07 17:33:13,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-12-07 17:33:13,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-12-07 17:33:13,946 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-07 17:33:13,946 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 17:33:13,946 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:33:13,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39ee45da-160a-4932-932d-a72de767dca5/bin/uautomizer/witness.graphml [2019-12-07 17:33:13,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:33:13,975 INFO L168 Benchmark]: Toolchain (without parser) took 2132.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.9 MB in the beginning and 1.0 GB in the end (delta: -106.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:33:13,975 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:33:13,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:33:13,976 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.26 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. [2019-12-07 17:33:13,976 INFO L168 Benchmark]: Boogie Preprocessor took 16.69 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. [2019-12-07 17:33:13,976 INFO L168 Benchmark]: RCFGBuilder took 212.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:33:13,977 INFO L168 Benchmark]: TraceAbstraction took 1481.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -9.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:33:13,977 INFO L168 Benchmark]: Witness Printer took 37.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:33:13,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.26 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 16.69 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 212.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1481.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -9.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 37.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 62 ProgramPointsBefore, 22 ProgramPointsAfterwards, 53 TransitionsBefore, 17 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 253 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 16 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 501 CheckedPairsTotal, 44 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 44 SDslu, 45 SDs, 0 SdLazy, 46 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1614 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...