./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe003_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_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/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 b3abf4b4d3a6797008cffaf0d91d02b8c036084d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:03:05,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:03:05,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:03:05,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:03:05,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:03:05,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:03:05,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:03:06,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:03:06,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:03:06,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:03:06,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:03:06,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:03:06,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:03:06,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:03:06,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:03:06,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:03:06,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:03:06,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:03:06,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:03:06,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:03:06,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:03:06,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:03:06,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:03:06,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:03:06,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:03:06,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:03:06,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:03:06,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:03:06,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:03:06,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:03:06,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:03:06,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:03:06,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:03:06,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:03:06,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:03:06,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:03:06,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:03:06,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:03:06,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:03:06,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:03:06,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:03:06,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 22:03:06,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:03:06,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:03:06,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:03:06,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:03:06,077 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:03:06,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:03:06,077 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:03:06,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:03:06,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:03:06,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:03:06,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:03:06,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:03:06,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:03:06,079 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:03:06,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:03:06,079 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:03:06,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:03:06,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:03:06,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:03:06,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:03:06,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:03:06,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:03:06,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:03:06,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:03:06,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:03:06,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:03:06,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:03:06,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:03:06,082 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_61d46851-a894-4c26-9de6-626d59ca4a79/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 -> b3abf4b4d3a6797008cffaf0d91d02b8c036084d [2019-11-19 22:03:06,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:03:06,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:03:06,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:03:06,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:03:06,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:03:06,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i [2019-11-19 22:03:06,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/data/2619e8477/731940d138ee4147862e7213ca919c90/FLAG0b943bb8a [2019-11-19 22:03:06,830 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:03:06,830 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i [2019-11-19 22:03:06,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/data/2619e8477/731940d138ee4147862e7213ca919c90/FLAG0b943bb8a [2019-11-19 22:03:07,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/data/2619e8477/731940d138ee4147862e7213ca919c90 [2019-11-19 22:03:07,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:03:07,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:03:07,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:03:07,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:03:07,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:03:07,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d3f5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07, skipping insertion in model container [2019-11-19 22:03:07,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,336 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:03:07,385 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:03:07,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:03:07,809 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:03:07,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:03:07,918 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:03:07,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07 WrapperNode [2019-11-19 22:03:07,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:03:07,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:03:07,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:03:07,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:03:07,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:03:07,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:03:07,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:03:07,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:03:07,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... [2019-11-19 22:03:07,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:03:07,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:03:07,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:03:07,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:03:07,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/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 22:03:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:03:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-19 22:03:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:03:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:03:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-19 22:03:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-19 22:03:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-19 22:03:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-19 22:03:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-19 22:03:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-19 22:03:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-19 22:03:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:03:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:03:08,069 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 22:03:08,386 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:03:08,386 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 22:03:08,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:03:08 BoogieIcfgContainer [2019-11-19 22:03:08,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:03:08,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:03:08,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:03:08,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:03:08,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:03:07" (1/3) ... [2019-11-19 22:03:08,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5671f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:03:08, skipping insertion in model container [2019-11-19 22:03:08,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:07" (2/3) ... [2019-11-19 22:03:08,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5671f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:03:08, skipping insertion in model container [2019-11-19 22:03:08,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:03:08" (3/3) ... [2019-11-19 22:03:08,394 INFO L109 eAbstractionObserver]: Analyzing ICFG safe003_tso.oepc.i [2019-11-19 22:03:08,438 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,438 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,438 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,438 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,439 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,439 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,439 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,440 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,440 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,440 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,440 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,441 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,441 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,441 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,441 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,442 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,442 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,442 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,443 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,443 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,443 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,443 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,444 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,444 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,444 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,444 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,444 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,445 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,445 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,445 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,446 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,446 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,446 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,446 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,446 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,447 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,447 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,447 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,447 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,448 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,448 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,448 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,449 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,449 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,449 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,449 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,449 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,450 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,450 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,450 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,450 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,450 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,451 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,451 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:03:08,495 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-19 22:03:08,495 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:03:08,503 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 22:03:08,515 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 22:03:08,539 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:03:08,540 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:03:08,540 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:03:08,540 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:03:08,540 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:03:08,540 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:03:08,541 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:03:08,541 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:03:08,558 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 75 transitions [2019-11-19 22:03:12,066 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31744 states. [2019-11-19 22:03:12,068 INFO L276 IsEmpty]: Start isEmpty. Operand 31744 states. [2019-11-19 22:03:12,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 22:03:12,135 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:03:12,136 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 22:03:12,137 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:03:12,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:12,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1461473904, now seen corresponding path program 1 times [2019-11-19 22:03:12,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:12,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344071040] [2019-11-19 22:03:12,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:03:12,529 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 22:03:12,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344071040] [2019-11-19 22:03:12,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:03:12,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:03:12,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073171923] [2019-11-19 22:03:12,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:03:12,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:03:12,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:03:12,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:03:12,553 INFO L87 Difference]: Start difference. First operand 31744 states. Second operand 4 states. [2019-11-19 22:03:12,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:03:12,967 INFO L93 Difference]: Finished difference Result 33013 states and 103293 transitions. [2019-11-19 22:03:12,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:03:12,969 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-19 22:03:12,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:03:13,115 INFO L225 Difference]: With dead ends: 33013 [2019-11-19 22:03:13,115 INFO L226 Difference]: Without dead ends: 14275 [2019-11-19 22:03:13,117 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 22:03:13,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14275 states. [2019-11-19 22:03:13,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14275 to 14275. [2019-11-19 22:03:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14275 states. [2019-11-19 22:03:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14275 states to 14275 states and 44298 transitions. [2019-11-19 22:03:14,015 INFO L78 Accepts]: Start accepts. Automaton has 14275 states and 44298 transitions. Word has length 31 [2019-11-19 22:03:14,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:03:14,016 INFO L462 AbstractCegarLoop]: Abstraction has 14275 states and 44298 transitions. [2019-11-19 22:03:14,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:03:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 14275 states and 44298 transitions. [2019-11-19 22:03:14,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 22:03:14,044 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:03:14,044 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 22:03:14,045 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:03:14,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:14,053 INFO L82 PathProgramCache]: Analyzing trace with hash -578234994, now seen corresponding path program 1 times [2019-11-19 22:03:14,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:14,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793964073] [2019-11-19 22:03:14,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:03:14,242 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 22:03:14,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793964073] [2019-11-19 22:03:14,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:03:14,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 22:03:14,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277111929] [2019-11-19 22:03:14,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 22:03:14,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:03:14,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:03:14,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:03:14,245 INFO L87 Difference]: Start difference. First operand 14275 states and 44298 transitions. Second operand 5 states. [2019-11-19 22:03:14,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:03:14,582 INFO L93 Difference]: Finished difference Result 14275 states and 42111 transitions. [2019-11-19 22:03:14,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 22:03:14,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 22:03:14,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:03:14,636 INFO L225 Difference]: With dead ends: 14275 [2019-11-19 22:03:14,637 INFO L226 Difference]: Without dead ends: 12574 [2019-11-19 22:03:14,638 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 22:03:14,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12574 states. [2019-11-19 22:03:15,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12574 to 12574. [2019-11-19 22:03:15,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12574 states. [2019-11-19 22:03:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12574 states to 12574 states and 38061 transitions. [2019-11-19 22:03:15,055 INFO L78 Accepts]: Start accepts. Automaton has 12574 states and 38061 transitions. Word has length 32 [2019-11-19 22:03:15,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:03:15,056 INFO L462 AbstractCegarLoop]: Abstraction has 12574 states and 38061 transitions. [2019-11-19 22:03:15,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 22:03:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 12574 states and 38061 transitions. [2019-11-19 22:03:15,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 22:03:15,085 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:03:15,086 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 22:03:15,086 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:03:15,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:15,087 INFO L82 PathProgramCache]: Analyzing trace with hash -318165101, now seen corresponding path program 1 times [2019-11-19 22:03:15,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:15,087 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507012976] [2019-11-19 22:03:15,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:03:15,179 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 22:03:15,180 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507012976] [2019-11-19 22:03:15,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:03:15,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 22:03:15,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330054484] [2019-11-19 22:03:15,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 22:03:15,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:03:15,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 22:03:15,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 22:03:15,181 INFO L87 Difference]: Start difference. First operand 12574 states and 38061 transitions. Second operand 6 states. [2019-11-19 22:03:15,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:03:15,383 INFO L93 Difference]: Finished difference Result 8929 states and 24939 transitions. [2019-11-19 22:03:15,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:03:15,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-19 22:03:15,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:03:15,409 INFO L225 Difference]: With dead ends: 8929 [2019-11-19 22:03:15,409 INFO L226 Difference]: Without dead ends: 7471 [2019-11-19 22:03:15,410 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 22:03:15,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7471 states. [2019-11-19 22:03:15,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7471 to 7471. [2019-11-19 22:03:15,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7471 states. [2019-11-19 22:03:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 21051 transitions. [2019-11-19 22:03:15,657 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 21051 transitions. Word has length 33 [2019-11-19 22:03:15,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:03:15,657 INFO L462 AbstractCegarLoop]: Abstraction has 7471 states and 21051 transitions. [2019-11-19 22:03:15,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 22:03:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 21051 transitions. [2019-11-19 22:03:15,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 22:03:15,672 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:03:15,672 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, 1] [2019-11-19 22:03:15,672 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:03:15,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:15,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1218284259, now seen corresponding path program 1 times [2019-11-19 22:03:15,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:15,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369580116] [2019-11-19 22:03:15,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:03:16,095 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-11-19 22:03:16,099 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 22:03:16,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369580116] [2019-11-19 22:03:16,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:03:16,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 22:03:16,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946219391] [2019-11-19 22:03:16,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 22:03:16,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:03:16,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 22:03:16,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:03:16,101 INFO L87 Difference]: Start difference. First operand 7471 states and 21051 transitions. Second operand 8 states. [2019-11-19 22:03:16,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:03:16,451 INFO L93 Difference]: Finished difference Result 16705 states and 46971 transitions. [2019-11-19 22:03:16,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 22:03:16,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-19 22:03:16,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:03:16,473 INFO L225 Difference]: With dead ends: 16705 [2019-11-19 22:03:16,473 INFO L226 Difference]: Without dead ends: 6355 [2019-11-19 22:03:16,475 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-11-19 22:03:16,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6355 states. [2019-11-19 22:03:16,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6355 to 6355. [2019-11-19 22:03:16,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6355 states. [2019-11-19 22:03:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6355 states to 6355 states and 17856 transitions. [2019-11-19 22:03:16,637 INFO L78 Accepts]: Start accepts. Automaton has 6355 states and 17856 transitions. Word has length 34 [2019-11-19 22:03:16,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:03:16,637 INFO L462 AbstractCegarLoop]: Abstraction has 6355 states and 17856 transitions. [2019-11-19 22:03:16,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 22:03:16,638 INFO L276 IsEmpty]: Start isEmpty. Operand 6355 states and 17856 transitions. [2019-11-19 22:03:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 22:03:16,648 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:03:16,648 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, 1] [2019-11-19 22:03:16,648 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:03:16,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:16,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1756139837, now seen corresponding path program 2 times [2019-11-19 22:03:16,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:16,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526997589] [2019-11-19 22:03:16,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:03:16,813 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 22:03:16,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526997589] [2019-11-19 22:03:16,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:03:16,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 22:03:16,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666913619] [2019-11-19 22:03:16,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 22:03:16,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:03:16,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 22:03:16,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 22:03:16,815 INFO L87 Difference]: Start difference. First operand 6355 states and 17856 transitions. Second operand 7 states. [2019-11-19 22:03:16,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:03:16,959 INFO L93 Difference]: Finished difference Result 4897 states and 13482 transitions. [2019-11-19 22:03:16,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:03:16,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-19 22:03:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:03:16,962 INFO L225 Difference]: With dead ends: 4897 [2019-11-19 22:03:16,962 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 22:03:16,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-19 22:03:16,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 22:03:16,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 22:03:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 22:03:16,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:03:16,964 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-19 22:03:16,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:03:16,964 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:03:16,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 22:03:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:03:16,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:03:16,967 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-19 22:03:16,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:03:16 BasicIcfg [2019-11-19 22:03:16,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:03:16,970 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:03:16,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:03:16,971 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:03:16,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:03:08" (3/4) ... [2019-11-19 22:03:16,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:03:16,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-19 22:03:17,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-19 22:03:17,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-19 22:03:17,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 22:03:17,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 22:03:17,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:03:17,075 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_61d46851-a894-4c26-9de6-626d59ca4a79/bin/uautomizer/witness.graphml [2019-11-19 22:03:17,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:03:17,078 INFO L168 Benchmark]: Toolchain (without parser) took 9755.39 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 491.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 287.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:03:17,078 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:03:17,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:03:17,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:03:17,083 INFO L168 Benchmark]: Boogie Preprocessor took 25.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:03:17,084 INFO L168 Benchmark]: RCFGBuilder took 400.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:03:17,084 INFO L168 Benchmark]: TraceAbstraction took 8581.24 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 364.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.2 MB). Peak memory consumption was 276.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:03:17,085 INFO L168 Benchmark]: Witness Printer took 105.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:03:17,087 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 596.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 400.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8581.24 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 364.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.2 MB). Peak memory consumption was 276.7 MB. Max. memory is 11.5 GB. * Witness Printer took 105.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 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, 90 locations, 1 error locations. Result: SAFE, OverallTime: 8.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 418 SDtfs, 787 SDslu, 1102 SDs, 0 SdLazy, 171 SolverSat, 117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31744occurred 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: 1.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 15567 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...