./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.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_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/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 ad29ac750d7eee43ee0f4c2b7f90b5e7c26b142d .......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:27:00,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:27:00,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:27:00,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:27:00,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:27:00,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:27:00,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:27:00,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:27:00,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:27:00,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:27:00,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:27:00,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:27:00,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:27:00,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:27:00,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:27:00,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:27:00,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:27:00,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:27:00,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:27:00,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:27:00,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:27:00,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:27:00,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:27:00,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:27:00,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:27:00,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:27:00,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:27:00,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:27:00,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:27:00,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:27:00,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:27:00,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:27:00,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:27:00,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:27:00,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:27:00,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:27:00,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:27:00,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:27:00,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:27:00,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:27:00,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:27:00,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 03:27:00,367 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:27:00,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:27:00,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:27:00,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:27:00,369 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:27:00,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:27:00,370 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:27:00,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:27:00,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:27:00,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:27:00,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:27:00,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:27:00,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:27:00,371 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:27:00,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:27:00,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:27:00,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:27:00,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:27:00,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:27:00,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:27:00,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:27:00,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:27:00,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:27:00,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:27:00,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:27:00,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:27:00,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:27:00,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:27:00,375 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_152768e4-873e-408e-b126-42b08dc61943/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 -> ad29ac750d7eee43ee0f4c2b7f90b5e7c26b142d [2019-11-20 03:27:00,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:27:00,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:27:00,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:27:00,589 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:27:00,590 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:27:00,590 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2019-11-20 03:27:00,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/data/690beea06/1b7c76c063424ccd843c8576f0819cf8/FLAG47cbd9031 [2019-11-20 03:27:01,215 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:27:01,216 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2019-11-20 03:27:01,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/data/690beea06/1b7c76c063424ccd843c8576f0819cf8/FLAG47cbd9031 [2019-11-20 03:27:01,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/data/690beea06/1b7c76c063424ccd843c8576f0819cf8 [2019-11-20 03:27:01,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:27:01,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:27:01,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:27:01,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:27:01,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:27:01,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:27:01" (1/1) ... [2019-11-20 03:27:01,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532bd144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:01, skipping insertion in model container [2019-11-20 03:27:01,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:27:01" (1/1) ... [2019-11-20 03:27:01,500 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:27:01,567 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:27:02,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:27:02,046 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:27:02,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:27:02,173 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:27:02,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02 WrapperNode [2019-11-20 03:27:02,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:27:02,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:27:02,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:27:02,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:27:02,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... [2019-11-20 03:27:02,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... [2019-11-20 03:27:02,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:27:02,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:27:02,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:27:02,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:27:02,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... [2019-11-20 03:27:02,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... [2019-11-20 03:27:02,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... [2019-11-20 03:27:02,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... [2019-11-20 03:27:02,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... [2019-11-20 03:27:02,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... [2019-11-20 03:27:02,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... [2019-11-20 03:27:02,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:27:02,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:27:02,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:27:02,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:27:02,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/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 [2019-11-20 03:27:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 03:27:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 03:27:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:27:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 03:27:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:27:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 03:27:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:27:02,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:27:03,165 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:27:03,165 INFO L285 CfgBuilder]: Removed 74 assume(true) statements. [2019-11-20 03:27:03,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:27:03 BoogieIcfgContainer [2019-11-20 03:27:03,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:27:03,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:27:03,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:27:03,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:27:03,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:27:01" (1/3) ... [2019-11-20 03:27:03,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d3eec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:27:03, skipping insertion in model container [2019-11-20 03:27:03,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:27:02" (2/3) ... [2019-11-20 03:27:03,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d3eec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:27:03, skipping insertion in model container [2019-11-20 03:27:03,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:27:03" (3/3) ... [2019-11-20 03:27:03,181 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2019-11-20 03:27:03,192 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:27:03,200 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-20 03:27:03,212 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-20 03:27:03,243 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:27:03,244 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:27:03,244 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:27:03,244 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:27:03,244 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:27:03,244 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:27:03,244 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:27:03,244 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:27:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2019-11-20 03:27:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:27:03,267 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:27:03,268 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:27:03,268 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:27:03,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:27:03,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1461126984, now seen corresponding path program 1 times [2019-11-20 03:27:03,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:27:03,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800338195] [2019-11-20 03:27:03,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:27:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:27:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:27:03,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800338195] [2019-11-20 03:27:03,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:27:03,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:27:03,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562821146] [2019-11-20 03:27:03,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 03:27:03,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:27:03,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:27:03,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:27:03,588 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 4 states. [2019-11-20 03:27:03,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:27:03,930 INFO L93 Difference]: Finished difference Result 237 states and 323 transitions. [2019-11-20 03:27:03,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:27:03,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-20 03:27:03,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:27:03,955 INFO L225 Difference]: With dead ends: 237 [2019-11-20 03:27:03,956 INFO L226 Difference]: Without dead ends: 150 [2019-11-20 03:27:03,960 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:27:03,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-20 03:27:04,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 93. [2019-11-20 03:27:04,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-20 03:27:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions. [2019-11-20 03:27:04,009 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 10 [2019-11-20 03:27:04,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:27:04,009 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 111 transitions. [2019-11-20 03:27:04,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 03:27:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2019-11-20 03:27:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:27:04,010 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:27:04,010 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:27:04,011 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:27:04,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:27:04,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1462735698, now seen corresponding path program 1 times [2019-11-20 03:27:04,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:27:04,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812934527] [2019-11-20 03:27:04,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:27:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:27:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:27:04,083 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812934527] [2019-11-20 03:27:04,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:27:04,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:27:04,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987745139] [2019-11-20 03:27:04,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 03:27:04,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:27:04,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:27:04,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:27:04,087 INFO L87 Difference]: Start difference. First operand 93 states and 111 transitions. Second operand 4 states. [2019-11-20 03:27:04,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:27:04,178 INFO L93 Difference]: Finished difference Result 130 states and 152 transitions. [2019-11-20 03:27:04,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 03:27:04,179 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-20 03:27:04,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:27:04,181 INFO L225 Difference]: With dead ends: 130 [2019-11-20 03:27:04,181 INFO L226 Difference]: Without dead ends: 126 [2019-11-20 03:27:04,182 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 [2019-11-20 03:27:04,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-20 03:27:04,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 93. [2019-11-20 03:27:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-20 03:27:04,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2019-11-20 03:27:04,205 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 10 [2019-11-20 03:27:04,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:27:04,205 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2019-11-20 03:27:04,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 03:27:04,206 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2019-11-20 03:27:04,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 03:27:04,207 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:27:04,207 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] [2019-11-20 03:27:04,208 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:27:04,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:27:04,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1319711700, now seen corresponding path program 1 times [2019-11-20 03:27:04,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:27:04,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63903586] [2019-11-20 03:27:04,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:27:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:27:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:27:04,443 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:27:04,444 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 03:27:04,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:27:04 BoogieIcfgContainer [2019-11-20 03:27:04,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:27:04,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:27:04,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:27:04,514 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:27:04,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:27:03" (3/4) ... [2019-11-20 03:27:04,517 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 03:27:04,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_152768e4-873e-408e-b126-42b08dc61943/bin/uautomizer/witness.graphml [2019-11-20 03:27:04,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:27:04,607 INFO L168 Benchmark]: Toolchain (without parser) took 3123.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.3 MB in the beginning and 983.0 MB in the end (delta: -43.6 MB). Peak memory consumption was 97.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:27:04,608 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-11-20 03:27:04,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:27:04,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:27:04,609 INFO L168 Benchmark]: Boogie Preprocessor took 58.52 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. [2019-11-20 03:27:04,610 INFO L168 Benchmark]: RCFGBuilder took 856.01 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:27:04,610 INFO L168 Benchmark]: TraceAbstraction took 1345.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.4 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:27:04,611 INFO L168 Benchmark]: Witness Printer took 91.44 ms. Allocated memory is still 1.2 GB. Free memory was 988.4 MB in the beginning and 983.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:27:04,614 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 690.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.52 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 856.01 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1345.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.4 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. * Witness Printer took 91.44 ms. Allocated memory is still 1.2 GB. Free memory was 988.4 MB in the beginning and 983.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 656]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L652] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; VAL [mutexes={9:0}] [L563] void *ptr = malloc(size); [L565] return ptr; VAL [mutexes={9:0}] [L669] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L563] void *ptr = malloc(size); [L565] return ptr; VAL [mutexes={9:0}] [L670] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L641] struct ldv_list_element *m; [L642] EXPR (s)->next [L642] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L642] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={9:0}] [L642] COND FALSE !(&m->list != (s)) VAL [mutexes={9:0}] [L647] return 0; VAL [mutexes={9:0}] [L656] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L641] struct ldv_list_element *m; [L642] EXPR (s)->next [L642] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L642] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={9:0}] [L642] COND FALSE !(&m->list != (s)) VAL [mutexes={9:0}] [L647] return 0; VAL [mutexes={9:0}] [L623] COND TRUE !ldv_is_in_set(new, s) [L624] struct ldv_list_element *le; [L563] void *ptr = malloc(size); [L565] return ptr; VAL [mutexes={9:0}] [L625] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L626] le->e = new [L595] head->next [L583] next->prev = new [L584] new->next = next [L585] new->prev = prev [L586] prev->next = new VAL [mutexes={9:0}] [L641] struct ldv_list_element *m; [L642] EXPR (s)->next [L642] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L642] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={9:0}] [L642] COND TRUE &m->list != (s) [L643] EXPR m->e VAL [mutexes={9:0}] [L643] COND TRUE m->e == e [L644] return 1; VAL [mutexes={9:0}] [L656] COND TRUE ldv_is_in_set(m, &mutexes) [L656] __VERIFIER_error() VAL [mutexes={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 5 error locations. Result: UNSAFE, OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 141 SDtfs, 195 SDslu, 241 SDs, 0 SdLazy, 96 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 90 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 774 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 incorrect! Received shutdown request...