./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/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 766171a26e9abac3f50ab774768818300c722e3a ............................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 16:31:13,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:31:13,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:31:13,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:31:13,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:31:13,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:31:13,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:31:13,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:31:13,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:31:13,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:31:13,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:31:13,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:31:13,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:31:13,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:31:13,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:31:13,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:31:13,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:31:13,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:31:13,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:31:13,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:31:13,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:31:13,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:31:13,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:31:13,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:31:13,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:31:13,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:31:13,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:31:13,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:31:13,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:31:13,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:31:13,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:31:13,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:31:13,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:31:13,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:31:13,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:31:13,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:31:13,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:31:13,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:31:13,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:31:13,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:31:13,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:31:13,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:31:13,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:31:13,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:31:13,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:31:13,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:31:13,171 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:31:13,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:31:13,172 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:31:13,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:31:13,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:31:13,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:31:13,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:31:13,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:31:13,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:31:13,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:31:13,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:31:13,173 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:31:13,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:31:13,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:31:13,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:31:13,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:31:13,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:31:13,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:31:13,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:31:13,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:31:13,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:31:13,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:31:13,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:31:13,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:31:13,174 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:31:13,174 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_dc03d7e2-6089-47e1-9ca2-53a6908190c9/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 -> 766171a26e9abac3f50ab774768818300c722e3a [2019-12-07 16:31:13,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:31:13,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:31:13,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:31:13,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:31:13,284 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:31:13,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2019-12-07 16:31:13,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/data/75506ce0a/a34dc23afeb0472fbfe2068776c3c984/FLAG0e0f8d2ca [2019-12-07 16:31:13,723 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:31:13,723 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/sv-benchmarks/c/ldv-races/race-1_2-join.i [2019-12-07 16:31:13,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/data/75506ce0a/a34dc23afeb0472fbfe2068776c3c984/FLAG0e0f8d2ca [2019-12-07 16:31:13,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/data/75506ce0a/a34dc23afeb0472fbfe2068776c3c984 [2019-12-07 16:31:13,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:31:13,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:31:13,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:31:13,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:31:13,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:31:13,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:31:13" (1/1) ... [2019-12-07 16:31:13,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b6b618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:13, skipping insertion in model container [2019-12-07 16:31:13,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:31:13" (1/1) ... [2019-12-07 16:31:13,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:31:13,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:31:14,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:31:14,315 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:31:14,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:31:14,563 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:31:14,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14 WrapperNode [2019-12-07 16:31:14,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:31:14,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:31:14,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:31:14,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:31:14,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... [2019-12-07 16:31:14,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... [2019-12-07 16:31:14,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:31:14,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:31:14,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:31:14,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:31:14,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... [2019-12-07 16:31:14,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... [2019-12-07 16:31:14,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... [2019-12-07 16:31:14,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... [2019-12-07 16:31:14,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... [2019-12-07 16:31:14,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... [2019-12-07 16:31:14,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... [2019-12-07 16:31:14,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:31:14,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:31:14,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:31:14,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:31:14,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:31:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:31:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:31:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 16:31:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 16:31:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:31:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:31:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:31:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 16:31:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 16:31:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:31:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 16:31:14,682 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 16:31:15,025 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:31:15,025 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 16:31:15,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:15 BoogieIcfgContainer [2019-12-07 16:31:15,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:31:15,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:31:15,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:31:15,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:31:15,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:31:13" (1/3) ... [2019-12-07 16:31:15,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78235f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:31:15, skipping insertion in model container [2019-12-07 16:31:15,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:14" (2/3) ... [2019-12-07 16:31:15,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78235f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:31:15, skipping insertion in model container [2019-12-07 16:31:15,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:15" (3/3) ... [2019-12-07 16:31:15,031 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2019-12-07 16:31:15,037 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 16:31:15,037 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:31:15,042 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-07 16:31:15,043 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 16:31:15,061 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:15,061 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:15,061 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:15,062 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:15,062 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:15,062 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:15,062 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:15,063 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:15,081 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-07 16:31:15,096 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:31:15,096 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:31:15,096 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:31:15,096 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:31:15,096 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:31:15,096 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:31:15,096 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:31:15,096 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:31:15,106 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions [2019-12-07 16:31:15,107 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-07 16:31:15,143 INFO L134 PetriNetUnfolder]: 5/96 cut-off events. [2019-12-07 16:31:15,143 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 16:31:15,146 INFO L76 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 5/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 151 event pairs. 7/92 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-07 16:31:15,148 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-07 16:31:15,160 INFO L134 PetriNetUnfolder]: 5/96 cut-off events. [2019-12-07 16:31:15,160 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 16:31:15,161 INFO L76 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 5/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 151 event pairs. 7/92 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-07 16:31:15,162 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 308 [2019-12-07 16:31:15,162 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 16:31:17,483 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2019-12-07 16:31:17,615 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-07 16:31:17,799 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-12-07 16:31:17,880 INFO L206 etLargeBlockEncoding]: Checked pairs total: 254 [2019-12-07 16:31:17,881 INFO L214 etLargeBlockEncoding]: Total number of compositions: 94 [2019-12-07 16:31:17,883 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 16 transitions [2019-12-07 16:31:17,888 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 24 states. [2019-12-07 16:31:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-12-07 16:31:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-07 16:31:17,894 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:17,895 INFO L410 BasicCegarLoop]: trace histogram [1] [2019-12-07 16:31:17,895 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:17,900 INFO L82 PathProgramCache]: Analyzing trace with hash 335, now seen corresponding path program 1 times [2019-12-07 16:31:17,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:17,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285266764] [2019-12-07 16:31:17,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:18,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285266764] [2019-12-07 16:31:18,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:18,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-07 16:31:18,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295592418] [2019-12-07 16:31:18,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:31:18,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:18,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:31:18,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:31:18,060 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-12-07 16:31:18,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:18,068 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2019-12-07 16:31:18,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:31:18,069 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-07 16:31:18,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:18,074 INFO L225 Difference]: With dead ends: 21 [2019-12-07 16:31:18,074 INFO L226 Difference]: Without dead ends: 8 [2019-12-07 16:31:18,075 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:31:18,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-12-07 16:31:18,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-12-07 16:31:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 16:31:18,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-12-07 16:31:18,094 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 1 [2019-12-07 16:31:18,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:18,094 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-12-07 16:31:18,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:31:18,094 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-12-07 16:31:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 16:31:18,095 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:18,095 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 16:31:18,095 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:18,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:18,095 INFO L82 PathProgramCache]: Analyzing trace with hash 10309892, now seen corresponding path program 1 times [2019-12-07 16:31:18,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:18,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471091053] [2019-12-07 16:31:18,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:18,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471091053] [2019-12-07 16:31:18,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:18,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:31:18,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648835387] [2019-12-07 16:31:18,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:31:18,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:18,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:31:18,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:31:18,194 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2019-12-07 16:31:18,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:18,205 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-12-07 16:31:18,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:31:18,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-07 16:31:18,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:18,206 INFO L225 Difference]: With dead ends: 8 [2019-12-07 16:31:18,206 INFO L226 Difference]: Without dead ends: 6 [2019-12-07 16:31:18,207 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:31:18,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-12-07 16:31:18,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-12-07 16:31:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 16:31:18,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2019-12-07 16:31:18,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4 [2019-12-07 16:31:18,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:18,208 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2019-12-07 16:31:18,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:31:18,208 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2019-12-07 16:31:18,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 16:31:18,209 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:18,209 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 16:31:18,209 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:18,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:18,209 INFO L82 PathProgramCache]: Analyzing trace with hash 319607122, now seen corresponding path program 1 times [2019-12-07 16:31:18,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:18,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341143913] [2019-12-07 16:31:18,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:31:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:31:18,259 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:31:18,259 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:31:18,261 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [308] [308] ULTIMATE.startENTRY-->L1697-1: Formula: (let ((.cse3 (store |v_#valid_48| 0 0))) (let ((.cse1 (select |v_#memory_int_41| |v_~#t1~0.base_16|)) (.cse0 (select |v_#memory_int_41| |v_~#mutex~0.base_41|)) (.cse2 (store .cse3 |v_~#t1~0.base_16| 1))) (and (= (select .cse0 (+ |v_~#mutex~0.offset_41| 4)) 0) (= |v_#memory_$Pointer$.offset_19| (store |v_#memory_$Pointer$.offset_20| |v_~#t1~0.base_16| (store (select |v_#memory_$Pointer$.offset_20| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16| (select (select |v_#memory_$Pointer$.offset_19| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16|)))) (= |v_~#t1~0.offset_16| 0) (= |v_#NULL.offset_7| 0) (= 0 (select .cse1 |v_~#t1~0.offset_16|)) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_41| 8))) (= 0 |v_#NULL.base_7|) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_41| 16))) (= |v_#length_28| (store (store |v_#length_29| |v_~#t1~0.base_16| 4) |v_~#mutex~0.base_41| 24)) (= |v_#valid_47| (store .cse2 |v_~#mutex~0.base_41| 1)) (= |v_#memory_$Pointer$.base_19| (store |v_#memory_$Pointer$.base_20| |v_~#t1~0.base_16| (store (select |v_#memory_$Pointer$.base_20| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16| (select (select |v_#memory_$Pointer$.base_19| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16|)))) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_60|) (= (store |v_#memory_int_41| |v_~#t1~0.base_16| (store .cse1 |v_~#t1~0.offset_16| 0)) |v_#memory_int_40|) (< |v_#StackHeapBarrier_17| |v_~#t1~0.base_16|) (= (select .cse0 (+ |v_~#mutex~0.offset_41| 12)) 0) (= 1 v_~pdev~0_79) (= 0 (select .cse3 |v_~#t1~0.base_16|)) (< 0 |v_#StackHeapBarrier_17|) (< |v_#StackHeapBarrier_17| |v_~#mutex~0.base_41|) (= |v_#pthreadsMutex_53| (store |v_#pthreadsMutex_54| |v_~#mutex~0.base_41| (store (select |v_#pthreadsMutex_54| |v_~#mutex~0.base_41|) |v_~#mutex~0.offset_41| 0))) (= 0 (select .cse0 |v_~#mutex~0.offset_41|)) (= v_ULTIMATE.start_ldv_assert_~expression_78 |v_ULTIMATE.start_ldv_assert_#in~expression_60|) (= 0 (select .cse2 |v_~#mutex~0.base_41|)) (= 0 |v_~#mutex~0.offset_41|)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_54|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_20|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_41|, #length=|v_#length_29|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_20|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_28|, #pthreadsMutex=|v_#pthreadsMutex_53|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_19|, ~#mutex~0.base=|v_~#mutex~0.base_41|, ~#mutex~0.offset=|v_~#mutex~0.offset_41|, #NULL.offset=|v_#NULL.offset_7|, ~#t1~0.offset=|v_~#t1~0.offset_16|, ULTIMATE.start_module_init_#t~nondet31=|v_ULTIMATE.start_module_init_#t~nondet31_32|, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_15|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_60|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_78, #NULL.base=|v_#NULL.base_7|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ~#t1~0.base=|v_~#t1~0.base_16|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_38|, ~pdev~0=v_~pdev~0_79, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_40|, #length=|v_#length_28|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_19|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet31, ULTIMATE.start_module_init_#t~nondet32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ~#t1~0.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, #memory_$Pointer$.offset] because there is no mapped edge [2019-12-07 16:31:18,261 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [248] [248] L1697-2-->L1699: Formula: (= 2 v_~pdev~0_23) InVars {} OutVars{~pdev~0=v_~pdev~0_23, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_4|} AuxVars[] AssignedVars[~pdev~0, ULTIMATE.start_module_init_#t~nondet32] because there is no mapped edge [2019-12-07 16:31:18,262 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [290] [290] thread1ENTRY-->thread1EXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_29| |v_~#mutex~0.base_27|))) (and (= |v_thread1Thread1of1ForFork0_#in~arg.offset_10| v_thread1Thread1of1ForFork0_~arg.offset_8) (= (select .cse0 |v_~#mutex~0.offset_27|) 0) (= |v_thread1Thread1of1ForFork0_#res.base_6| 0) (= |v_thread1Thread1of1ForFork0_#res.offset_6| 0) (= |v_thread1Thread1of1ForFork0_#in~arg.base_10| v_thread1Thread1of1ForFork0_~arg.base_8) (= 6 v_~pdev~0_49) (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_29| |v_~#mutex~0.base_27| (store .cse0 |v_~#mutex~0.offset_27| 0))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_29|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_10|, ~#mutex~0.base=|v_~#mutex~0.base_27|, ~#mutex~0.offset=|v_~#mutex~0.offset_27|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_10|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_10|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_6|, ~#mutex~0.base=|v_~#mutex~0.base_27|, ~pdev~0=v_~pdev~0_49, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_8, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_8, ~#mutex~0.offset=|v_~#mutex~0.offset_27|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_13|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_6|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_10|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, ~pdev~0, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-07 16:31:18,262 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [284] [284] L1699-->ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start_ldv_assert_~expression_51 0) (= (ite (= 2 v_~pdev~0_42) 1 0) |v_ULTIMATE.start_ldv_assert_#in~expression_34|) (= v_ULTIMATE.start_ldv_assert_~expression_51 |v_ULTIMATE.start_ldv_assert_#in~expression_34|)) InVars {~pdev~0=v_~pdev~0_42} OutVars{~pdev~0=v_~pdev~0_42, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_34|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_51} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2019-12-07 16:31:18,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:31:18 BasicIcfg [2019-12-07 16:31:18,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:31:18,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:31:18,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:31:18,271 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:31:18,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:15" (3/4) ... [2019-12-07 16:31:18,273 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:31:18,273 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [308] [308] ULTIMATE.startENTRY-->L1697-1: Formula: (let ((.cse3 (store |v_#valid_48| 0 0))) (let ((.cse1 (select |v_#memory_int_41| |v_~#t1~0.base_16|)) (.cse0 (select |v_#memory_int_41| |v_~#mutex~0.base_41|)) (.cse2 (store .cse3 |v_~#t1~0.base_16| 1))) (and (= (select .cse0 (+ |v_~#mutex~0.offset_41| 4)) 0) (= |v_#memory_$Pointer$.offset_19| (store |v_#memory_$Pointer$.offset_20| |v_~#t1~0.base_16| (store (select |v_#memory_$Pointer$.offset_20| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16| (select (select |v_#memory_$Pointer$.offset_19| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16|)))) (= |v_~#t1~0.offset_16| 0) (= |v_#NULL.offset_7| 0) (= 0 (select .cse1 |v_~#t1~0.offset_16|)) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_41| 8))) (= 0 |v_#NULL.base_7|) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_41| 16))) (= |v_#length_28| (store (store |v_#length_29| |v_~#t1~0.base_16| 4) |v_~#mutex~0.base_41| 24)) (= |v_#valid_47| (store .cse2 |v_~#mutex~0.base_41| 1)) (= |v_#memory_$Pointer$.base_19| (store |v_#memory_$Pointer$.base_20| |v_~#t1~0.base_16| (store (select |v_#memory_$Pointer$.base_20| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16| (select (select |v_#memory_$Pointer$.base_19| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16|)))) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_60|) (= (store |v_#memory_int_41| |v_~#t1~0.base_16| (store .cse1 |v_~#t1~0.offset_16| 0)) |v_#memory_int_40|) (< |v_#StackHeapBarrier_17| |v_~#t1~0.base_16|) (= (select .cse0 (+ |v_~#mutex~0.offset_41| 12)) 0) (= 1 v_~pdev~0_79) (= 0 (select .cse3 |v_~#t1~0.base_16|)) (< 0 |v_#StackHeapBarrier_17|) (< |v_#StackHeapBarrier_17| |v_~#mutex~0.base_41|) (= |v_#pthreadsMutex_53| (store |v_#pthreadsMutex_54| |v_~#mutex~0.base_41| (store (select |v_#pthreadsMutex_54| |v_~#mutex~0.base_41|) |v_~#mutex~0.offset_41| 0))) (= 0 (select .cse0 |v_~#mutex~0.offset_41|)) (= v_ULTIMATE.start_ldv_assert_~expression_78 |v_ULTIMATE.start_ldv_assert_#in~expression_60|) (= 0 (select .cse2 |v_~#mutex~0.base_41|)) (= 0 |v_~#mutex~0.offset_41|)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_54|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_20|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_41|, #length=|v_#length_29|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_20|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_28|, #pthreadsMutex=|v_#pthreadsMutex_53|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_19|, ~#mutex~0.base=|v_~#mutex~0.base_41|, ~#mutex~0.offset=|v_~#mutex~0.offset_41|, #NULL.offset=|v_#NULL.offset_7|, ~#t1~0.offset=|v_~#t1~0.offset_16|, ULTIMATE.start_module_init_#t~nondet31=|v_ULTIMATE.start_module_init_#t~nondet31_32|, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_15|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_60|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_78, #NULL.base=|v_#NULL.base_7|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ~#t1~0.base=|v_~#t1~0.base_16|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_38|, ~pdev~0=v_~pdev~0_79, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_40|, #length=|v_#length_28|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_19|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet31, ULTIMATE.start_module_init_#t~nondet32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ~#t1~0.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, #memory_$Pointer$.offset] because there is no mapped edge [2019-12-07 16:31:18,273 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [248] [248] L1697-2-->L1699: Formula: (= 2 v_~pdev~0_23) InVars {} OutVars{~pdev~0=v_~pdev~0_23, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_4|} AuxVars[] AssignedVars[~pdev~0, ULTIMATE.start_module_init_#t~nondet32] because there is no mapped edge [2019-12-07 16:31:18,273 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [290] [290] thread1ENTRY-->thread1EXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_29| |v_~#mutex~0.base_27|))) (and (= |v_thread1Thread1of1ForFork0_#in~arg.offset_10| v_thread1Thread1of1ForFork0_~arg.offset_8) (= (select .cse0 |v_~#mutex~0.offset_27|) 0) (= |v_thread1Thread1of1ForFork0_#res.base_6| 0) (= |v_thread1Thread1of1ForFork0_#res.offset_6| 0) (= |v_thread1Thread1of1ForFork0_#in~arg.base_10| v_thread1Thread1of1ForFork0_~arg.base_8) (= 6 v_~pdev~0_49) (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_29| |v_~#mutex~0.base_27| (store .cse0 |v_~#mutex~0.offset_27| 0))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_29|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_10|, ~#mutex~0.base=|v_~#mutex~0.base_27|, ~#mutex~0.offset=|v_~#mutex~0.offset_27|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_10|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_10|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_6|, ~#mutex~0.base=|v_~#mutex~0.base_27|, ~pdev~0=v_~pdev~0_49, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_8, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_8, ~#mutex~0.offset=|v_~#mutex~0.offset_27|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_13|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_6|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_10|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, ~pdev~0, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-07 16:31:18,273 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [284] [284] L1699-->ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start_ldv_assert_~expression_51 0) (= (ite (= 2 v_~pdev~0_42) 1 0) |v_ULTIMATE.start_ldv_assert_#in~expression_34|) (= v_ULTIMATE.start_ldv_assert_~expression_51 |v_ULTIMATE.start_ldv_assert_#in~expression_34|)) InVars {~pdev~0=v_~pdev~0_42} OutVars{~pdev~0=v_~pdev~0_42, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_34|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_51} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2019-12-07 16:31:18,297 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dc03d7e2-6089-47e1-9ca2-53a6908190c9/bin/uautomizer/witness.graphml [2019-12-07 16:31:18,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:31:18,298 INFO L168 Benchmark]: Toolchain (without parser) took 4549.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:18,298 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:18,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -62.8 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:18,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:18,300 INFO L168 Benchmark]: Boogie Preprocessor took 28.10 ms. Allocated memory is still 1.2 GB. Free memory is still 997.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:18,300 INFO L168 Benchmark]: RCFGBuilder took 389.15 ms. Allocated memory is still 1.2 GB. Free memory was 997.3 MB in the beginning and 952.8 MB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:18,300 INFO L168 Benchmark]: TraceAbstraction took 3243.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:18,301 INFO L168 Benchmark]: Witness Printer took 26.44 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:18,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 814.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -62.8 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.10 ms. Allocated memory is still 1.2 GB. Free memory is still 997.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 389.15 ms. Allocated memory is still 1.2 GB. Free memory was 997.3 MB in the beginning and 952.8 MB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3243.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 26.44 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.7s, 83 ProgramPointsBefore, 17 ProgramPointsAfterwards, 85 TransitionsBefore, 16 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 7 FixpointIterations, 57 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 164 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 8 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 254 CheckedPairsTotal, 94 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Result: UNSAFE, OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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...