./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe011_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe011_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/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 3cfa428164cc4018418f3463d01df342cd04666f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:17:24,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:17:24,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:17:24,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:17:24,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:17:24,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:17:24,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:17:24,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:17:24,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:17:24,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:17:24,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:17:24,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:17:24,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:17:24,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:17:24,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:17:24,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:17:24,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:17:24,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:17:24,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:17:24,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:17:24,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:17:24,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:17:24,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:17:24,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:17:24,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:17:24,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:17:24,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:17:24,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:17:24,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:17:24,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:17:24,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:17:24,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:17:24,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:17:24,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:17:24,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:17:24,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:17:24,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:17:24,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:17:24,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:17:24,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:17:24,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:17:24,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 22:17:24,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:17:24,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:17:24,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:17:24,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:17:24,261 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:17:24,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:17:24,262 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:17:24,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:17:24,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:17:24,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:17:24,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:17:24,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:17:24,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:17:24,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:17:24,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:17:24,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:17:24,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:17:24,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:17:24,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:17:24,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:17:24,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:17:24,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:17:24,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:17:24,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:17:24,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:17:24,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:17:24,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:17:24,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:17:24,272 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_2e1c7674-f7d4-4cdc-84b8-62620f264b62/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 -> 3cfa428164cc4018418f3463d01df342cd04666f [2019-11-19 22:17:24,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:17:24,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:17:24,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:17:24,433 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:17:24,434 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:17:24,434 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe011_tso.oepc.i [2019-11-19 22:17:24,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/data/d47e5e2bf/2e3029222a5341658768371417af4cdb/FLAG60f52240a [2019-11-19 22:17:25,012 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:17:25,016 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/sv-benchmarks/c/pthread-wmm/safe011_tso.oepc.i [2019-11-19 22:17:25,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/data/d47e5e2bf/2e3029222a5341658768371417af4cdb/FLAG60f52240a [2019-11-19 22:17:25,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/data/d47e5e2bf/2e3029222a5341658768371417af4cdb [2019-11-19 22:17:25,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:17:25,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:17:25,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:17:25,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:17:25,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:17:25,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:17:25" (1/1) ... [2019-11-19 22:17:25,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aac797c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:25, skipping insertion in model container [2019-11-19 22:17:25,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:17:25" (1/1) ... [2019-11-19 22:17:25,333 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:17:25,391 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:17:25,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:17:25,888 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:17:25,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:17:26,006 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:17:26,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26 WrapperNode [2019-11-19 22:17:26,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:17:26,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:17:26,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:17:26,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:17:26,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... [2019-11-19 22:17:26,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... [2019-11-19 22:17:26,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:17:26,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:17:26,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:17:26,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:17:26,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... [2019-11-19 22:17:26,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... [2019-11-19 22:17:26,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... [2019-11-19 22:17:26,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... [2019-11-19 22:17:26,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... [2019-11-19 22:17:26,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... [2019-11-19 22:17:26,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... [2019-11-19 22:17:26,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:17:26,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:17:26,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:17:26,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:17:26,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/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 [2019-11-19 22:17:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:17:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-19 22:17:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:17:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:17:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-19 22:17:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-19 22:17:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-19 22:17:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-19 22:17:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-19 22:17:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-19 22:17:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-19 22:17:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:17:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:17:26,144 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-19 22:17:26,419 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:17:26,419 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 22:17:26,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:17:26 BoogieIcfgContainer [2019-11-19 22:17:26,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:17:26,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:17:26,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:17:26,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:17:26,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:17:25" (1/3) ... [2019-11-19 22:17:26,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e349804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:17:26, skipping insertion in model container [2019-11-19 22:17:26,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:26" (2/3) ... [2019-11-19 22:17:26,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e349804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:17:26, skipping insertion in model container [2019-11-19 22:17:26,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:17:26" (3/3) ... [2019-11-19 22:17:26,427 INFO L109 eAbstractionObserver]: Analyzing ICFG safe011_tso.oepc.i [2019-11-19 22:17:26,471 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,472 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,472 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,472 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,473 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,473 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,473 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,473 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,474 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,474 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,474 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,474 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,475 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,475 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,475 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,475 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,475 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,476 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,476 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,477 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,478 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,478 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,478 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,478 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,479 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,479 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,479 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,479 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,480 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,480 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,480 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,480 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,481 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,481 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,481 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,481 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,482 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,482 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,482 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,482 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,482 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,483 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,483 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,483 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,484 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,484 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,484 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,484 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,485 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:17:26,528 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-19 22:17:26,528 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:17:26,534 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 22:17:26,543 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 22:17:26,561 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:17:26,561 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:17:26,561 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:17:26,562 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:17:26,562 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:17:26,562 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:17:26,562 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:17:26,562 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:17:26,572 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-19 22:17:29,880 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31743 states. [2019-11-19 22:17:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 31743 states. [2019-11-19 22:17:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 22:17:29,934 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:17:29,935 INFO L410 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] [2019-11-19 22:17:29,936 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:17:29,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:17:29,941 INFO L82 PathProgramCache]: Analyzing trace with hash 472898366, now seen corresponding path program 1 times [2019-11-19 22:17:29,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:17:29,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528477229] [2019-11-19 22:17:29,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:17:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:17:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:17:30,249 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528477229] [2019-11-19 22:17:30,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:17:30,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:17:30,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645754348] [2019-11-19 22:17:30,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:17:30,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:17:30,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:17:30,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:17:30,268 INFO L87 Difference]: Start difference. First operand 31743 states. Second operand 4 states. [2019-11-19 22:17:30,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:17:30,823 INFO L93 Difference]: Finished difference Result 33012 states and 103292 transitions. [2019-11-19 22:17:30,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:17:30,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-19 22:17:30,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:17:30,968 INFO L225 Difference]: With dead ends: 33012 [2019-11-19 22:17:30,968 INFO L226 Difference]: Without dead ends: 14274 [2019-11-19 22:17:30,970 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:17:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14274 states. [2019-11-19 22:17:31,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14274 to 14274. [2019-11-19 22:17:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14274 states. [2019-11-19 22:17:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14274 states to 14274 states and 44297 transitions. [2019-11-19 22:17:31,656 INFO L78 Accepts]: Start accepts. Automaton has 14274 states and 44297 transitions. Word has length 30 [2019-11-19 22:17:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:17:31,658 INFO L462 AbstractCegarLoop]: Abstraction has 14274 states and 44297 transitions. [2019-11-19 22:17:31,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:17:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 14274 states and 44297 transitions. [2019-11-19 22:17:31,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 22:17:31,685 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:17:31,686 INFO L410 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] [2019-11-19 22:17:31,686 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:17:31,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:17:31,693 INFO L82 PathProgramCache]: Analyzing trace with hash 364621560, now seen corresponding path program 1 times [2019-11-19 22:17:31,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:17:31,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825523474] [2019-11-19 22:17:31,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:17:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:17:31,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:17:31,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825523474] [2019-11-19 22:17:31,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:17:31,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 22:17:31,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832376606] [2019-11-19 22:17:31,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 22:17:31,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:17:31,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:17:31,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:17:31,843 INFO L87 Difference]: Start difference. First operand 14274 states and 44297 transitions. Second operand 5 states. [2019-11-19 22:17:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:17:32,041 INFO L93 Difference]: Finished difference Result 14274 states and 42110 transitions. [2019-11-19 22:17:32,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 22:17:32,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-19 22:17:32,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:17:32,110 INFO L225 Difference]: With dead ends: 14274 [2019-11-19 22:17:32,110 INFO L226 Difference]: Without dead ends: 12573 [2019-11-19 22:17:32,111 INFO L630 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 [2019-11-19 22:17:32,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12573 states. [2019-11-19 22:17:32,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12573 to 12573. [2019-11-19 22:17:32,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12573 states. [2019-11-19 22:17:32,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12573 states to 12573 states and 38060 transitions. [2019-11-19 22:17:32,557 INFO L78 Accepts]: Start accepts. Automaton has 12573 states and 38060 transitions. Word has length 31 [2019-11-19 22:17:32,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:17:32,557 INFO L462 AbstractCegarLoop]: Abstraction has 12573 states and 38060 transitions. [2019-11-19 22:17:32,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 22:17:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12573 states and 38060 transitions. [2019-11-19 22:17:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 22:17:32,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:17:32,586 INFO L410 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] [2019-11-19 22:17:32,586 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:17:32,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:17:32,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1794873428, now seen corresponding path program 1 times [2019-11-19 22:17:32,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:17:32,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454319846] [2019-11-19 22:17:32,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:17:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:17:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:17:32,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454319846] [2019-11-19 22:17:32,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:17:32,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 22:17:32,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202883174] [2019-11-19 22:17:32,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 22:17:32,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:17:32,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 22:17:32,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 22:17:32,724 INFO L87 Difference]: Start difference. First operand 12573 states and 38060 transitions. Second operand 6 states. [2019-11-19 22:17:32,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:17:32,928 INFO L93 Difference]: Finished difference Result 8928 states and 24938 transitions. [2019-11-19 22:17:32,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:17:32,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-19 22:17:32,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:17:33,132 INFO L225 Difference]: With dead ends: 8928 [2019-11-19 22:17:33,132 INFO L226 Difference]: Without dead ends: 7470 [2019-11-19 22:17:33,133 INFO L630 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 [2019-11-19 22:17:33,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7470 states. [2019-11-19 22:17:33,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7470 to 7470. [2019-11-19 22:17:33,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7470 states. [2019-11-19 22:17:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7470 states to 7470 states and 21050 transitions. [2019-11-19 22:17:33,344 INFO L78 Accepts]: Start accepts. Automaton has 7470 states and 21050 transitions. Word has length 32 [2019-11-19 22:17:33,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:17:33,345 INFO L462 AbstractCegarLoop]: Abstraction has 7470 states and 21050 transitions. [2019-11-19 22:17:33,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 22:17:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 7470 states and 21050 transitions. [2019-11-19 22:17:33,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 22:17:33,358 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:17:33,358 INFO L410 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] [2019-11-19 22:17:33,359 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:17:33,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:17:33,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1676272959, now seen corresponding path program 1 times [2019-11-19 22:17:33,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:17:33,360 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127788888] [2019-11-19 22:17:33,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:17:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:17:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:17:33,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127788888] [2019-11-19 22:17:33,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:17:33,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 22:17:33,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892070765] [2019-11-19 22:17:33,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 22:17:33,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:17:33,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 22:17:33,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 22:17:33,565 INFO L87 Difference]: Start difference. First operand 7470 states and 21050 transitions. Second operand 6 states. [2019-11-19 22:17:33,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:17:33,731 INFO L93 Difference]: Finished difference Result 12654 states and 35495 transitions. [2019-11-19 22:17:33,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 22:17:33,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-19 22:17:33,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:17:33,750 INFO L225 Difference]: With dead ends: 12654 [2019-11-19 22:17:33,750 INFO L226 Difference]: Without dead ends: 6471 [2019-11-19 22:17:33,751 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 22:17:33,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6471 states. [2019-11-19 22:17:33,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6471 to 6471. [2019-11-19 22:17:33,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6471 states. [2019-11-19 22:17:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6471 states to 6471 states and 18107 transitions. [2019-11-19 22:17:33,910 INFO L78 Accepts]: Start accepts. Automaton has 6471 states and 18107 transitions. Word has length 33 [2019-11-19 22:17:33,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:17:33,910 INFO L462 AbstractCegarLoop]: Abstraction has 6471 states and 18107 transitions. [2019-11-19 22:17:33,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 22:17:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 6471 states and 18107 transitions. [2019-11-19 22:17:33,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 22:17:33,919 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:17:33,919 INFO L410 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] [2019-11-19 22:17:33,920 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:17:33,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:17:33,920 INFO L82 PathProgramCache]: Analyzing trace with hash -588275839, now seen corresponding path program 2 times [2019-11-19 22:17:33,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:17:33,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891209822] [2019-11-19 22:17:33,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:17:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:17:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:17:34,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891209822] [2019-11-19 22:17:34,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:17:34,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 22:17:34,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463039239] [2019-11-19 22:17:34,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 22:17:34,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:17:34,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 22:17:34,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:17:34,110 INFO L87 Difference]: Start difference. First operand 6471 states and 18107 transitions. Second operand 8 states. [2019-11-19 22:17:34,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:17:34,277 INFO L93 Difference]: Finished difference Result 5013 states and 13733 transitions. [2019-11-19 22:17:34,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:17:34,278 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-11-19 22:17:34,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:17:34,280 INFO L225 Difference]: With dead ends: 5013 [2019-11-19 22:17:34,280 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 22:17:34,281 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-19 22:17:34,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 22:17:34,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 22:17:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 22:17:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:17:34,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-19 22:17:34,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:17:34,282 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:17:34,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 22:17:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:17:34,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:17:34,285 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-19 22:17:34,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:17:34 BasicIcfg [2019-11-19 22:17:34,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:17:34,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:17:34,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:17:34,288 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:17:34,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:17:26" (3/4) ... [2019-11-19 22:17:34,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:17:34,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-19 22:17:34,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-19 22:17:34,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-19 22:17:34,322 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 22:17:34,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 22:17:34,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:17:34,367 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2e1c7674-f7d4-4cdc-84b8-62620f264b62/bin/uautomizer/witness.graphml [2019-11-19 22:17:34,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:17:34,370 INFO L168 Benchmark]: Toolchain (without parser) took 9054.05 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 481.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 345.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:17:34,370 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:17:34,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -215.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:17:34,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:17:34,371 INFO L168 Benchmark]: Boogie Preprocessor took 28.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:17:34,372 INFO L168 Benchmark]: RCFGBuilder took 331.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:17:34,372 INFO L168 Benchmark]: TraceAbstraction took 7866.71 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 297.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.3 MB). Peak memory consumption was 345.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:17:34,373 INFO L168 Benchmark]: Witness Printer took 79.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:17:34,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 690.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -215.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 331.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7866.71 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 297.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.3 MB). Peak memory consumption was 345.6 MB. Max. memory is 11.5 GB. * Witness Printer took 79.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 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 13 procedures, 89 locations, 1 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 398 SDtfs, 697 SDslu, 899 SDs, 0 SdLazy, 139 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31743occurred 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: 1.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 14106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...