./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers1-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b1751fe95f9cf655681429038c1cde9e9c074e8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:58:34,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:58:34,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:58:34,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:58:34,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:58:34,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:58:34,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:58:34,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:58:34,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:58:34,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:58:34,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:58:34,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:58:34,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:58:34,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:58:34,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:58:34,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:58:34,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:58:34,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:58:34,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:58:34,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:58:34,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:58:34,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:58:34,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:58:34,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:58:34,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:58:34,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:58:34,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:58:34,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:58:34,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:58:34,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:58:34,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:58:34,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:58:34,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:58:34,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:58:34,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:58:34,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:58:34,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:58:34,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:58:34,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:58:34,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:58:34,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:58:34,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 23:58:34,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:58:34,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:58:34,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:58:34,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:58:34,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:58:34,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:58:34,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:58:34,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 23:58:34,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:58:34,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:58:34,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:58:34,882 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 23:58:34,883 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 23:58:34,883 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 23:58:34,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:58:34,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:58:34,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:58:34,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:58:34,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:58:34,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:58:34,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:58:34,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:58:34,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:58:34,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:58:34,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:58:34,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:58:34,886 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_028ea526-38e2-4b8f-beca-355dab16c5f6/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 1b1751fe95f9cf655681429038c1cde9e9c074e8 [2019-11-15 23:58:34,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:58:34,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:58:34,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:58:34,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:58:34,947 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:58:34,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/../../sv-benchmarks/c/memsafety-ext3/getNumbers1-1.c [2019-11-15 23:58:35,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/data/80feb9308/042d98f6f8624f76a6d0b014a711233d/FLAG7406fc7e0 [2019-11-15 23:58:35,420 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:58:35,421 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/sv-benchmarks/c/memsafety-ext3/getNumbers1-1.c [2019-11-15 23:58:35,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/data/80feb9308/042d98f6f8624f76a6d0b014a711233d/FLAG7406fc7e0 [2019-11-15 23:58:35,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/data/80feb9308/042d98f6f8624f76a6d0b014a711233d [2019-11-15 23:58:35,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:58:35,847 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 23:58:35,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:58:35,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:58:35,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:58:35,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:58:35" (1/1) ... [2019-11-15 23:58:35,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6136fe7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:35, skipping insertion in model container [2019-11-15 23:58:35,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:58:35" (1/1) ... [2019-11-15 23:58:35,862 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:58:35,876 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:58:36,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:58:36,134 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:58:36,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:58:36,168 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:58:36,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36 WrapperNode [2019-11-15 23:58:36,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:58:36,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:58:36,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:58:36,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:58:36,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36" (1/1) ... [2019-11-15 23:58:36,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36" (1/1) ... [2019-11-15 23:58:36,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36" (1/1) ... [2019-11-15 23:58:36,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36" (1/1) ... [2019-11-15 23:58:36,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36" (1/1) ... [2019-11-15 23:58:36,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36" (1/1) ... [2019-11-15 23:58:36,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36" (1/1) ... [2019-11-15 23:58:36,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:58:36,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:58:36,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:58:36,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:58:36,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/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 [2019-11-15 23:58:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 23:58:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:58:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getNumbers [2019-11-15 23:58:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 23:58:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-15 23:58:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 23:58:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure getNumbers [2019-11-15 23:58:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:58:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:58:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:58:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 23:58:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:58:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 23:58:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 23:58:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:58:36,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:58:36,569 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-15 23:58:36,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:58:36 BoogieIcfgContainer [2019-11-15 23:58:36,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:58:36,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:58:36,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:58:36,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:58:36,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:58:35" (1/3) ... [2019-11-15 23:58:36,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df2b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:58:36, skipping insertion in model container [2019-11-15 23:58:36,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:58:36" (2/3) ... [2019-11-15 23:58:36,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df2b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:58:36, skipping insertion in model container [2019-11-15 23:58:36,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:58:36" (3/3) ... [2019-11-15 23:58:36,578 INFO L109 eAbstractionObserver]: Analyzing ICFG getNumbers1-1.c [2019-11-15 23:58:36,585 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:58:36,591 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-15 23:58:36,601 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-15 23:58:36,632 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:58:36,632 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 23:58:36,632 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:58:36,632 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:58:36,633 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:58:36,633 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:58:36,633 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:58:36,633 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:58:36,648 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-15 23:58:36,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 23:58:36,656 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:36,657 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:36,658 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:36,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:36,663 INFO L82 PathProgramCache]: Analyzing trace with hash 543879226, now seen corresponding path program 1 times [2019-11-15 23:58:36,670 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:36,671 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646997378] [2019-11-15 23:58:36,671 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:36,671 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:36,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:36,879 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646997378] [2019-11-15 23:58:36,880 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:58:36,881 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:58:36,881 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478529912] [2019-11-15 23:58:36,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:58:36,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:36,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:58:36,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:58:36,897 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2019-11-15 23:58:37,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:37,004 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-11-15 23:58:37,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:58:37,006 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-15 23:58:37,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:37,014 INFO L225 Difference]: With dead ends: 27 [2019-11-15 23:58:37,014 INFO L226 Difference]: Without dead ends: 24 [2019-11-15 23:58:37,015 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:58:37,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-15 23:58:37,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-15 23:58:37,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-15 23:58:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-11-15 23:58:37,054 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 9 [2019-11-15 23:58:37,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:37,054 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-11-15 23:58:37,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:58:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-11-15 23:58:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 23:58:37,055 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:37,056 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:37,056 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:37,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:37,056 INFO L82 PathProgramCache]: Analyzing trace with hash 543879227, now seen corresponding path program 1 times [2019-11-15 23:58:37,057 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:37,057 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382017017] [2019-11-15 23:58:37,057 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:37,057 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:37,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:37,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382017017] [2019-11-15 23:58:37,153 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:58:37,153 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:58:37,153 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819370175] [2019-11-15 23:58:37,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:58:37,158 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:37,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:58:37,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:58:37,159 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 4 states. [2019-11-15 23:58:37,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:37,254 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-11-15 23:58:37,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:58:37,255 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-15 23:58:37,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:37,256 INFO L225 Difference]: With dead ends: 27 [2019-11-15 23:58:37,256 INFO L226 Difference]: Without dead ends: 27 [2019-11-15 23:58:37,257 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:58:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-15 23:58:37,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2019-11-15 23:58:37,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-15 23:58:37,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2019-11-15 23:58:37,261 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 9 [2019-11-15 23:58:37,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:37,262 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2019-11-15 23:58:37,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:58:37,262 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2019-11-15 23:58:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-15 23:58:37,262 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:37,263 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:37,263 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:37,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:37,263 INFO L82 PathProgramCache]: Analyzing trace with hash 2089391026, now seen corresponding path program 1 times [2019-11-15 23:58:37,263 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:37,263 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400759966] [2019-11-15 23:58:37,264 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:37,264 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:37,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:37,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400759966] [2019-11-15 23:58:37,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625715609] [2019-11-15 23:58:37,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:37,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-15 23:58:37,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:58:37,523 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 23:58:37,523 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:58:37,536 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:58:37,536 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:58:37,536 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-11-15 23:58:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:37,555 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:58:37,555 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2019-11-15 23:58:37,556 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575692255] [2019-11-15 23:58:37,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:58:37,556 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:37,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:58:37,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:58:37,557 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 5 states. [2019-11-15 23:58:37,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:37,632 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-11-15 23:58:37,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:58:37,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-11-15 23:58:37,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:37,634 INFO L225 Difference]: With dead ends: 30 [2019-11-15 23:58:37,634 INFO L226 Difference]: Without dead ends: 30 [2019-11-15 23:58:37,634 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:58:37,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-15 23:58:37,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2019-11-15 23:58:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-15 23:58:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-11-15 23:58:37,638 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 12 [2019-11-15 23:58:37,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:37,639 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-11-15 23:58:37,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:58:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-11-15 23:58:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 23:58:37,640 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:37,643 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:37,843 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:37,844 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:37,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:37,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1912985381, now seen corresponding path program 2 times [2019-11-15 23:58:37,844 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:37,845 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592822324] [2019-11-15 23:58:37,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:37,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:37,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:38,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592822324] [2019-11-15 23:58:38,030 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:58:38,031 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:58:38,031 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328887898] [2019-11-15 23:58:38,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:58:38,031 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:38,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:58:38,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:58:38,033 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 8 states. [2019-11-15 23:58:38,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:38,133 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-11-15 23:58:38,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:58:38,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2019-11-15 23:58:38,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:38,135 INFO L225 Difference]: With dead ends: 29 [2019-11-15 23:58:38,135 INFO L226 Difference]: Without dead ends: 29 [2019-11-15 23:58:38,136 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:58:38,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-15 23:58:38,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2019-11-15 23:58:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-15 23:58:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-11-15 23:58:38,140 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 15 [2019-11-15 23:58:38,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:38,140 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-11-15 23:58:38,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:58:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-11-15 23:58:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 23:58:38,141 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:38,141 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:38,141 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:38,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:38,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2027302431, now seen corresponding path program 1 times [2019-11-15 23:58:38,142 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:38,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834477635] [2019-11-15 23:58:38,142 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:38,142 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:38,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:38,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:38,261 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834477635] [2019-11-15 23:58:38,261 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781995193] [2019-11-15 23:58:38,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:38,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 23:58:38,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:58:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:38,334 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:58:38,334 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2019-11-15 23:58:38,335 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522048604] [2019-11-15 23:58:38,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:58:38,336 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:38,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:58:38,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:58:38,336 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 8 states. [2019-11-15 23:58:38,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:38,446 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-11-15 23:58:38,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:58:38,447 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-11-15 23:58:38,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:38,448 INFO L225 Difference]: With dead ends: 32 [2019-11-15 23:58:38,448 INFO L226 Difference]: Without dead ends: 32 [2019-11-15 23:58:38,449 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:58:38,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-15 23:58:38,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2019-11-15 23:58:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-15 23:58:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-15 23:58:38,453 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-11-15 23:58:38,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:38,453 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-15 23:58:38,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:58:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-15 23:58:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 23:58:38,458 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:38,458 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:38,667 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:38,667 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:38,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1378383288, now seen corresponding path program 2 times [2019-11-15 23:58:38,669 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:38,669 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200277360] [2019-11-15 23:58:38,669 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:38,670 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:38,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:38,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200277360] [2019-11-15 23:58:38,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711558333] [2019-11-15 23:58:38,783 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:38,839 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:58:38,839 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:58:38,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 23:58:38,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:58:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:38,862 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:58:38,862 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 9 [2019-11-15 23:58:38,862 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884924087] [2019-11-15 23:58:38,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 23:58:38,863 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:38,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 23:58:38,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:58:38,864 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 9 states. [2019-11-15 23:58:38,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:38,958 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-11-15 23:58:38,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:58:38,959 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-15 23:58:38,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:38,960 INFO L225 Difference]: With dead ends: 35 [2019-11-15 23:58:38,960 INFO L226 Difference]: Without dead ends: 35 [2019-11-15 23:58:38,960 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:58:38,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-15 23:58:38,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-11-15 23:58:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-15 23:58:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2019-11-15 23:58:38,965 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 23 [2019-11-15 23:58:38,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:38,965 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2019-11-15 23:58:38,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 23:58:38,965 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-11-15 23:58:38,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 23:58:38,966 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:38,966 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:39,167 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:39,168 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:39,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:39,168 INFO L82 PathProgramCache]: Analyzing trace with hash -149204609, now seen corresponding path program 3 times [2019-11-15 23:58:39,169 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:39,169 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79747179] [2019-11-15 23:58:39,169 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:39,169 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:39,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:39,295 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79747179] [2019-11-15 23:58:39,295 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853648835] [2019-11-15 23:58:39,295 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:39,346 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-11-15 23:58:39,346 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:58:39,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 23:58:39,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:58:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:39,372 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:58:39,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 10 [2019-11-15 23:58:39,372 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973729380] [2019-11-15 23:58:39,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 23:58:39,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:39,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 23:58:39,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:58:39,374 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 10 states. [2019-11-15 23:58:39,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:39,478 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2019-11-15 23:58:39,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 23:58:39,479 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-11-15 23:58:39,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:39,480 INFO L225 Difference]: With dead ends: 38 [2019-11-15 23:58:39,480 INFO L226 Difference]: Without dead ends: 38 [2019-11-15 23:58:39,480 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:58:39,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-15 23:58:39,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2019-11-15 23:58:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-15 23:58:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2019-11-15 23:58:39,485 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 26 [2019-11-15 23:58:39,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:39,485 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2019-11-15 23:58:39,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 23:58:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-11-15 23:58:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 23:58:39,497 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:39,498 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:39,703 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:39,703 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:39,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:39,704 INFO L82 PathProgramCache]: Analyzing trace with hash -578344216, now seen corresponding path program 4 times [2019-11-15 23:58:39,704 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:39,704 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803358608] [2019-11-15 23:58:39,704 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:39,704 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:39,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:39,852 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803358608] [2019-11-15 23:58:39,852 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983431860] [2019-11-15 23:58:39,852 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:39,904 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 23:58:39,904 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:58:39,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 23:58:39,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:58:39,928 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:39,928 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:58:39,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 11 [2019-11-15 23:58:39,928 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367667163] [2019-11-15 23:58:39,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 23:58:39,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:39,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 23:58:39,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:58:39,930 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 11 states. [2019-11-15 23:58:40,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:40,047 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2019-11-15 23:58:40,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 23:58:40,048 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2019-11-15 23:58:40,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:40,048 INFO L225 Difference]: With dead ends: 41 [2019-11-15 23:58:40,049 INFO L226 Difference]: Without dead ends: 41 [2019-11-15 23:58:40,049 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:58:40,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-15 23:58:40,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2019-11-15 23:58:40,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-15 23:58:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2019-11-15 23:58:40,053 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 29 [2019-11-15 23:58:40,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:40,054 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2019-11-15 23:58:40,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 23:58:40,054 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-11-15 23:58:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:58:40,055 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:40,055 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:40,255 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:40,255 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:40,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:40,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1041263839, now seen corresponding path program 5 times [2019-11-15 23:58:40,256 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:40,256 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084797836] [2019-11-15 23:58:40,256 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:40,256 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:40,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:40,387 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:40,388 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084797836] [2019-11-15 23:58:40,388 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765994089] [2019-11-15 23:58:40,388 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:40,446 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2019-11-15 23:58:40,447 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:58:40,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 23:58:40,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:58:40,464 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:40,464 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:58:40,467 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 12 [2019-11-15 23:58:40,467 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048088655] [2019-11-15 23:58:40,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 23:58:40,469 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:40,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 23:58:40,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:58:40,469 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 12 states. [2019-11-15 23:58:40,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:40,587 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-11-15 23:58:40,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 23:58:40,587 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 32 [2019-11-15 23:58:40,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:40,588 INFO L225 Difference]: With dead ends: 44 [2019-11-15 23:58:40,589 INFO L226 Difference]: Without dead ends: 44 [2019-11-15 23:58:40,589 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-11-15 23:58:40,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-15 23:58:40,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2019-11-15 23:58:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-15 23:58:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2019-11-15 23:58:40,593 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 32 [2019-11-15 23:58:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:40,593 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2019-11-15 23:58:40,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 23:58:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2019-11-15 23:58:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 23:58:40,594 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:40,594 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:40,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:40,804 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:40,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:40,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1122227080, now seen corresponding path program 6 times [2019-11-15 23:58:40,804 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:40,805 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201523839] [2019-11-15 23:58:40,805 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:40,805 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:40,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:40,948 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201523839] [2019-11-15 23:58:40,948 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831556898] [2019-11-15 23:58:40,948 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:41,024 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2019-11-15 23:58:41,024 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:58:41,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-15 23:58:41,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:58:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:41,045 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:58:41,046 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 13 [2019-11-15 23:58:41,046 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552074958] [2019-11-15 23:58:41,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 23:58:41,046 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:41,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 23:58:41,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-11-15 23:58:41,047 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 13 states. [2019-11-15 23:58:41,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:41,152 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-11-15 23:58:41,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 23:58:41,152 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 35 [2019-11-15 23:58:41,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:41,153 INFO L225 Difference]: With dead ends: 47 [2019-11-15 23:58:41,153 INFO L226 Difference]: Without dead ends: 47 [2019-11-15 23:58:41,153 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-11-15 23:58:41,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-15 23:58:41,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-11-15 23:58:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-15 23:58:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-11-15 23:58:41,157 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 35 [2019-11-15 23:58:41,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:41,158 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-11-15 23:58:41,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 23:58:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-11-15 23:58:41,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 23:58:41,159 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:41,159 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:41,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:41,365 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:41,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:41,365 INFO L82 PathProgramCache]: Analyzing trace with hash -673480641, now seen corresponding path program 7 times [2019-11-15 23:58:41,365 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:41,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375660671] [2019-11-15 23:58:41,365 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:41,365 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:41,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:41,542 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:41,542 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375660671] [2019-11-15 23:58:41,542 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19250254] [2019-11-15 23:58:41,542 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:41,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 23:58:41,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:58:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:41,611 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:58:41,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 14 [2019-11-15 23:58:41,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666616692] [2019-11-15 23:58:41,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 23:58:41,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:41,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 23:58:41,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2019-11-15 23:58:41,612 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 14 states. [2019-11-15 23:58:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:41,719 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2019-11-15 23:58:41,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 23:58:41,720 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2019-11-15 23:58:41,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:41,720 INFO L225 Difference]: With dead ends: 50 [2019-11-15 23:58:41,721 INFO L226 Difference]: Without dead ends: 50 [2019-11-15 23:58:41,721 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-11-15 23:58:41,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-15 23:58:41,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2019-11-15 23:58:41,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-15 23:58:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2019-11-15 23:58:41,725 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 38 [2019-11-15 23:58:41,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:41,725 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2019-11-15 23:58:41,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 23:58:41,726 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-11-15 23:58:41,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-15 23:58:41,727 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:41,727 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:41,929 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:41,930 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:41,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:41,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1510442024, now seen corresponding path program 8 times [2019-11-15 23:58:41,930 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:41,930 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699653789] [2019-11-15 23:58:41,930 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:41,931 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:41,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:58:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:42,108 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699653789] [2019-11-15 23:58:42,108 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718111154] [2019-11-15 23:58:42,109 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:42,174 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:58:42,174 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:58:42,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 23:58:42,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:58:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:58:42,197 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:58:42,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 15 [2019-11-15 23:58:42,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526041564] [2019-11-15 23:58:42,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 23:58:42,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:58:42,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 23:58:42,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2019-11-15 23:58:42,199 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 15 states. [2019-11-15 23:58:42,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:58:42,298 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-11-15 23:58:42,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 23:58:42,298 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2019-11-15 23:58:42,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:58:42,299 INFO L225 Difference]: With dead ends: 51 [2019-11-15 23:58:42,299 INFO L226 Difference]: Without dead ends: 51 [2019-11-15 23:58:42,300 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2019-11-15 23:58:42,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-15 23:58:42,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-15 23:58:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-15 23:58:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2019-11-15 23:58:42,304 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 41 [2019-11-15 23:58:42,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:58:42,304 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2019-11-15 23:58:42,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 23:58:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-11-15 23:58:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-15 23:58:42,306 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:58:42,306 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:58:42,510 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:58:42,510 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-11-15 23:58:42,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:58:42,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1709012065, now seen corresponding path program 9 times [2019-11-15 23:58:42,510 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:58:42,511 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161282696] [2019-11-15 23:58:42,511 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:42,511 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:58:42,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:58:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:58:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:58:42,569 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:58:42,570 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 23:58:42,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:58:42 BoogieIcfgContainer [2019-11-15 23:58:42,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:58:42,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:58:42,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:58:42,629 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:58:42,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:58:36" (3/4) ... [2019-11-15 23:58:42,631 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 23:58:42,710 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_028ea526-38e2-4b8f-beca-355dab16c5f6/bin/uautomizer/witness.graphml [2019-11-15 23:58:42,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:58:42,711 INFO L168 Benchmark]: Toolchain (without parser) took 6864.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:58:42,711 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:58:42,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -223.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:58:42,712 INFO L168 Benchmark]: Boogie Preprocessor took 46.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:58:42,712 INFO L168 Benchmark]: RCFGBuilder took 351.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:58:42,713 INFO L168 Benchmark]: TraceAbstraction took 6056.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -21.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:58:42,713 INFO L168 Benchmark]: Witness Printer took 81.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:58:42,714 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -223.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 351.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6056.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -21.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Witness Printer took 81.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L19] CALL, EXPR getNumbers() [L8] int *array = alloca(10 * sizeof(int)); [L10] int i = 0; VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=0] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=0] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=0] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=1] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=1] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=1] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=2] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=2] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=2] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=3] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=3] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=3] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=4] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=4] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=4] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=5] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=5] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=5] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=6] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=6] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=6] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=7] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=7] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=7] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=8] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=8] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=8] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=9] [L10] COND TRUE i < 10 VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=9] [L11] array[i] = i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=9] [L10] ++i VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=10] [L10] COND FALSE !(i < 10) VAL [alloca(10 * sizeof(int))={-1:0}, array={-1:0}, i=10] [L14] return array; [L19] RET, EXPR getNumbers() VAL [getNumbers()={-1:0}] [L19] int *numbers = getNumbers(); [L21] int i = 0; VAL [i=0, numbers={-1:0}] [L21] COND TRUE i < 10 [L22] numbers + i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 28 locations, 5 error locations. Result: UNSAFE, OverallTime: 5.9s, OverallIterations: 13, TraceHistogramMax: 10, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 232 SDtfs, 121 SDslu, 936 SDs, 0 SdLazy, 711 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 377 GetRequests, 277 SyntacticMatches, 3 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=12, 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, 12 MinimizatonAttempts, 18 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 589 NumberOfCodeBlocks, 589 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 524 ConstructedInterpolants, 0 QuantifiedInterpolants, 43496 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1171 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 7/819 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...