./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4.i.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d80676b9a99131191df12fd74204f331d0509f64 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:05:01,829 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:05:01,831 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:05:01,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:05:01,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:05:01,838 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:05:01,839 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:05:01,840 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:05:01,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:05:01,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:05:01,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:05:01,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:05:01,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:05:01,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:05:01,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:05:01,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:05:01,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:05:01,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:05:01,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:05:01,848 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:05:01,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:05:01,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:05:01,851 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:05:01,851 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:05:01,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:05:01,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:05:01,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:05:01,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:05:01,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:05:01,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:05:01,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:05:01,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:05:01,855 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:05:01,855 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:05:01,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:05:01,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:05:01,857 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 16:05:01,866 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:05:01,866 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:05:01,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:05:01,867 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 16:05:01,867 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:05:01,867 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:05:01,867 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:05:01,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:05:01,868 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:05:01,868 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:05:01,868 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:05:01,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:05:01,868 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:05:01,868 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:05:01,868 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:05:01,868 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:05:01,869 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:05:01,869 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:05:01,869 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:05:01,869 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:05:01,869 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:05:01,869 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:05:01,869 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:05:01,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:05:01,870 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:05:01,870 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:05:01,870 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:05:01,870 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:05:01,870 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:05:01,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:05:01,870 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d80676b9a99131191df12fd74204f331d0509f64 [2018-11-18 16:05:01,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:05:01,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:05:01,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:05:01,902 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:05:01,903 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:05:01,903 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4.i.v+lhb-reducer.c [2018-11-18 16:05:01,936 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/data/d82ff8acd/6b2c87ccd4e545d2880a9bb21b7b43de/FLAGb226e1c8f [2018-11-18 16:05:02,345 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:05:02,346 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4.i.v+lhb-reducer.c [2018-11-18 16:05:02,350 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/data/d82ff8acd/6b2c87ccd4e545d2880a9bb21b7b43de/FLAGb226e1c8f [2018-11-18 16:05:02,359 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/data/d82ff8acd/6b2c87ccd4e545d2880a9bb21b7b43de [2018-11-18 16:05:02,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:05:02,362 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:05:02,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:05:02,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:05:02,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:05:02,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:05:02" (1/1) ... [2018-11-18 16:05:02,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02, skipping insertion in model container [2018-11-18 16:05:02,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:05:02" (1/1) ... [2018-11-18 16:05:02,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:05:02,394 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:05:02,501 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:05:02,503 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:05:02,526 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:05:02,536 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:05:02,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02 WrapperNode [2018-11-18 16:05:02,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:05:02,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:05:02,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:05:02,537 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:05:02,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02" (1/1) ... [2018-11-18 16:05:02,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02" (1/1) ... [2018-11-18 16:05:02,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02" (1/1) ... [2018-11-18 16:05:02,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02" (1/1) ... [2018-11-18 16:05:02,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02" (1/1) ... [2018-11-18 16:05:02,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02" (1/1) ... [2018-11-18 16:05:02,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02" (1/1) ... [2018-11-18 16:05:02,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:05:02,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:05:02,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:05:02,595 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:05:02,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/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 [2018-11-18 16:05:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:05:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:05:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 16:05:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:05:02,807 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:05:02,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:05:02 BoogieIcfgContainer [2018-11-18 16:05:02,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:05:02,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:05:02,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:05:02,811 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:05:02,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:05:02" (1/3) ... [2018-11-18 16:05:02,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7ec01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:05:02, skipping insertion in model container [2018-11-18 16:05:02,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:05:02" (2/3) ... [2018-11-18 16:05:02,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7ec01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:05:02, skipping insertion in model container [2018-11-18 16:05:02,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:05:02" (3/3) ... [2018-11-18 16:05:02,814 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_true-unreach-call4.i.v+lhb-reducer.c [2018-11-18 16:05:02,821 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:05:02,826 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-18 16:05:02,840 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-18 16:05:02,861 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:05:02,862 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:05:02,862 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:05:02,862 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:05:02,862 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:05:02,862 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:05:02,862 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:05:02,863 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:05:02,863 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:05:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-11-18 16:05:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 16:05:02,879 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:05:02,880 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:05:02,881 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:05:02,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:05:02,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1494900034, now seen corresponding path program 1 times [2018-11-18 16:05:02,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:05:02,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:05:02,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:02,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:05:02,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:05:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:05:03,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:05:03,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:05:03,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:05:03,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:05:03,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:05:03,027 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2018-11-18 16:05:03,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:05:03,047 INFO L93 Difference]: Finished difference Result 56 states and 74 transitions. [2018-11-18 16:05:03,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:05:03,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 16:05:03,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:05:03,053 INFO L225 Difference]: With dead ends: 56 [2018-11-18 16:05:03,054 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 16:05:03,056 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:05:03,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 16:05:03,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-11-18 16:05:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-18 16:05:03,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2018-11-18 16:05:03,080 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 13 [2018-11-18 16:05:03,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:05:03,080 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2018-11-18 16:05:03,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:05:03,080 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-11-18 16:05:03,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:05:03,080 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:05:03,081 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:05:03,081 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:05:03,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:05:03,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1256853917, now seen corresponding path program 1 times [2018-11-18 16:05:03,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:05:03,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:05:03,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:03,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:05:03,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:05:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:05:03,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:05:03,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:05:03,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:05:03,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:05:03,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:05:03,128 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 4 states. [2018-11-18 16:05:03,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:05:03,161 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2018-11-18 16:05:03,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:05:03,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-18 16:05:03,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:05:03,163 INFO L225 Difference]: With dead ends: 53 [2018-11-18 16:05:03,163 INFO L226 Difference]: Without dead ends: 51 [2018-11-18 16:05:03,163 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:05:03,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-18 16:05:03,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 34. [2018-11-18 16:05:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 16:05:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2018-11-18 16:05:03,169 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 14 [2018-11-18 16:05:03,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:05:03,169 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2018-11-18 16:05:03,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:05:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-11-18 16:05:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:05:03,170 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:05:03,170 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:05:03,170 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:05:03,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:05:03,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1192177656, now seen corresponding path program 1 times [2018-11-18 16:05:03,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:05:03,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:05:03,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:03,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:05:03,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:05:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:05:03,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:05:03,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:05:03,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:05:03,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:05:03,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:05:03,198 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 3 states. [2018-11-18 16:05:03,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:05:03,232 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-11-18 16:05:03,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:05:03,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-18 16:05:03,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:05:03,234 INFO L225 Difference]: With dead ends: 62 [2018-11-18 16:05:03,234 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 16:05:03,234 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:05:03,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 16:05:03,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 34. [2018-11-18 16:05:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 16:05:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2018-11-18 16:05:03,239 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 14 [2018-11-18 16:05:03,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:05:03,239 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2018-11-18 16:05:03,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:05:03,239 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-11-18 16:05:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:05:03,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:05:03,240 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:05:03,240 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:05:03,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:05:03,240 INFO L82 PathProgramCache]: Analyzing trace with hash -249616619, now seen corresponding path program 1 times [2018-11-18 16:05:03,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:05:03,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:05:03,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:03,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:05:03,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:05:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:05:03,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:05:03,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:05:03,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:05:03,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:05:03,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:05:03,275 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 3 states. [2018-11-18 16:05:03,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:05:03,304 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2018-11-18 16:05:03,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:05:03,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 16:05:03,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:05:03,305 INFO L225 Difference]: With dead ends: 56 [2018-11-18 16:05:03,305 INFO L226 Difference]: Without dead ends: 35 [2018-11-18 16:05:03,305 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:05:03,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-18 16:05:03,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2018-11-18 16:05:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-18 16:05:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-11-18 16:05:03,309 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 15 [2018-11-18 16:05:03,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:05:03,309 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-11-18 16:05:03,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:05:03,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-11-18 16:05:03,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 16:05:03,310 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:05:03,310 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:05:03,310 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:05:03,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:05:03,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1739668830, now seen corresponding path program 1 times [2018-11-18 16:05:03,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:05:03,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:05:03,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:03,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:05:03,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:05:04,040 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 36 [2018-11-18 16:05:04,261 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 41 [2018-11-18 16:05:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:05:04,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:05:04,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 16:05:04,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 16:05:04,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 16:05:04,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:05:04,313 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 11 states. [2018-11-18 16:05:04,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:05:04,541 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2018-11-18 16:05:04,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 16:05:04,541 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-11-18 16:05:04,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:05:04,542 INFO L225 Difference]: With dead ends: 49 [2018-11-18 16:05:04,542 INFO L226 Difference]: Without dead ends: 33 [2018-11-18 16:05:04,542 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2018-11-18 16:05:04,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-18 16:05:04,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2018-11-18 16:05:04,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-18 16:05:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-11-18 16:05:04,546 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2018-11-18 16:05:04,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:05:04,547 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-11-18 16:05:04,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 16:05:04,547 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-11-18 16:05:04,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 16:05:04,547 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:05:04,548 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:05:04,548 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:05:04,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:05:04,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1253973443, now seen corresponding path program 1 times [2018-11-18 16:05:04,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:05:04,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:05:04,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:04,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:05:04,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:05:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:05:04,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:05:04,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:05:04,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:05:04,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:05:04,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:05:04,582 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 6 states. [2018-11-18 16:05:04,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:05:04,621 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-11-18 16:05:04,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:05:04,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-18 16:05:04,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:05:04,623 INFO L225 Difference]: With dead ends: 44 [2018-11-18 16:05:04,623 INFO L226 Difference]: Without dead ends: 42 [2018-11-18 16:05:04,623 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:05:04,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-18 16:05:04,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2018-11-18 16:05:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 16:05:04,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-11-18 16:05:04,626 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 21 [2018-11-18 16:05:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:05:04,627 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-11-18 16:05:04,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:05:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-11-18 16:05:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 16:05:04,627 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:05:04,627 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:05:04,628 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:05:04,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:05:04,628 INFO L82 PathProgramCache]: Analyzing trace with hash 899200671, now seen corresponding path program 1 times [2018-11-18 16:05:04,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:05:04,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:05:04,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:04,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:05:04,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:05:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:05:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:05:04,727 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:05:04,727 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:05:04,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:05:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:05:04,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:05:06,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:05:06,874 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:05:06,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2018-11-18 16:05:06,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:05:06,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:05:06,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=1, NotChecked=0, Total=42 [2018-11-18 16:05:06,875 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 7 states. [2018-11-18 16:05:07,914 WARN L180 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2018-11-18 16:05:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:05:10,047 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2018-11-18 16:05:10,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:05:10,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-18 16:05:10,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:05:10,048 INFO L225 Difference]: With dead ends: 32 [2018-11-18 16:05:10,048 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:05:10,049 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=27, Invalid=44, Unknown=1, NotChecked=0, Total=72 [2018-11-18 16:05:10,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:05:10,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:05:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:05:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:05:10,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-11-18 16:05:10,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:05:10,050 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:05:10,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:05:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:05:10,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:05:10,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:05:12,381 WARN L180 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-11-18 16:05:12,542 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2018-11-18 16:05:12,596 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:05:12,596 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:05:12,596 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 16:05:12,597 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 104) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L428 ceAbstractionStarter]: At program point L126(lines 92 127) the Hoare annotation is: true [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 68) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 9 191) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point L151(lines 151 179) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 128) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 185) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L421 ceAbstractionStarter]: At program point L114(lines 93 123) the Hoare annotation is: (let ((.cse10 (div main_~main__index1~0 4294967296)) (.cse9 (div main_~main__index2~0 4294967296))) (let ((.cse0 (= |main_~#main__array~0.offset| 0)) (.cse1 (* 4294967296 .cse9)) (.cse3 (+ (* 4294967296 .cse10) main_~main__index2~0)) (.cse2 (= main_~__VERIFIER_assert__cond~0 1))) (or (and .cse0 (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= main_~main__index2~0 (+ .cse1 99999)) .cse2 (<= (+ main_~main__index1~0 .cse1 1) .cse3)) (and (<= main_~main__index2~0 (+ (* 4294967296 (div (+ (* (- 4294967296) (div (+ main_~main__index1~0 (+ (- main_~main__index2~0) 4294967294)) 4294967296)) (+ main_~main__index1~0 (- 1))) 4294967296)) 99998)) .cse0 (or (let ((.cse8 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse5 (select .cse8 (+ (* (- 17179869184) .cse10) (* 4 main_~main__index1~0) |main_~#main__array~0.offset|))) (.cse7 (select .cse8 (+ (* 4 main_~main__index2~0) |main_~#main__array~0.offset| (* (- 17179869184) .cse9))))) (let ((.cse6 (* 4294967296 (div .cse7 4294967296))) (.cse4 (+ (* 4294967296 (div .cse5 4294967296)) .cse7))) (and (<= .cse4 (+ .cse5 .cse6)) (<= (+ .cse6 .cse5) .cse4))))) (<= (+ main_~main__index1~0 .cse1) .cse3)) .cse2)))) [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 115) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 168) no Hoare annotation was computed. [2018-11-18 16:05:12,597 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 83) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 147) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L421 ceAbstractionStarter]: At program point L82(lines 57 83) the Hoare annotation is: (and (<= main_~main__index2~0 (+ (* 4294967296 (div (+ (* (- 4294967296) (div (+ main_~main__index1~0 (+ (- main_~main__index2~0) 4294967294)) 4294967296)) (+ main_~main__index1~0 (- 1))) 4294967296)) 99998)) (= |main_~#main__array~0.offset| 0) (= main_~__VERIFIER_assert__cond~0 1) (not (= 0 main_~main____CPAchecker_TMP_0~1)) (<= (+ main_~main__index1~0 (* 4294967296 (div main_~main__index2~0 4294967296)) 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0))) [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L16(lines 16 190) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 133) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L421 ceAbstractionStarter]: At program point L74(lines 41 134) the Hoare annotation is: (let ((.cse3 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (let ((.cse0 (= |main_~#main__array~0.offset| 0)) (.cse1 (<= main_~main__index2~0 (+ .cse3 99999))) (.cse2 (= main_~__VERIFIER_assert__cond~0 1))) (or (and .cse0 .cse1 .cse2 (not (= 0 main_~main____CPAchecker_TMP_0~1)) (not (= 0 main_~__VERIFIER_assert__cond~1))) (and .cse0 (= main_~main____CPAchecker_TMP_0~0 1) .cse1 .cse2))) (<= (+ main_~main__index1~0 .cse3 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0)))) [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 75) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L153(lines 153 174) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L421 ceAbstractionStarter]: At program point L87(lines 55 88) the Hoare annotation is: false [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 180) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 162) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L421 ceAbstractionStarter]: At program point L141(lines 26 142) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (= |main_~#main__array~0.offset| 0) (= main_~main____CPAchecker_TMP_0~0 1) (<= main_~main__index2~0 (+ .cse0 99999)) (= main_~main__loop_entered~0 0) (<= (+ main_~main__index1~0 .cse0 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0)))) [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 9 191) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 16:05:12,598 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 9 191) the Hoare annotation is: true [2018-11-18 16:05:12,598 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 127) no Hoare annotation was computed. [2018-11-18 16:05:12,599 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 142) no Hoare annotation was computed. [2018-11-18 16:05:12,599 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 88) no Hoare annotation was computed. [2018-11-18 16:05:12,599 INFO L421 ceAbstractionStarter]: At program point L146(lines 24 147) the Hoare annotation is: false [2018-11-18 16:05:12,599 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-11-18 16:05:12,599 INFO L421 ceAbstractionStarter]: At program point L167(lines 21 180) the Hoare annotation is: (and (<= main_~main__index2~0 (+ (* 4294967296 (div (+ (* (- 4294967296) (div (+ main_~main__index1~0 (+ (- main_~main__index2~0) 4294967294)) 4294967296)) (+ main_~main__index1~0 (- 1))) 4294967296)) 99998)) (= |main_~#main__array~0.offset| 0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (= main_~__VERIFIER_assert__cond~0 1)) [2018-11-18 16:05:12,599 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-11-18 16:05:12,599 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 134) no Hoare annotation was computed. [2018-11-18 16:05:12,609 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,611 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,611 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,611 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,611 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,611 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,612 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,612 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,613 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,613 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,613 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,613 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,614 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,614 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,614 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,614 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:05:12 BoogieIcfgContainer [2018-11-18 16:05:12,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:05:12,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:05:12,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:05:12,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:05:12,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:05:02" (3/4) ... [2018-11-18 16:05:12,621 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:05:12,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:05:12,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:05:12,630 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-18 16:05:12,630 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-18 16:05:12,630 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:05:12,670 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1f4f337d-969f-444a-ae53-00d6053e6345/bin-2019/uautomizer/witness.graphml [2018-11-18 16:05:12,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:05:12,670 INFO L168 Benchmark]: Toolchain (without parser) took 10309.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.3 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -208.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:05:12,671 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:05:12,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:05:12,671 INFO L168 Benchmark]: Boogie Preprocessor took 57.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -233.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:05:12,672 INFO L168 Benchmark]: RCFGBuilder took 213.16 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:05:12,672 INFO L168 Benchmark]: TraceAbstraction took 9809.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 49.3 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -13.0 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:05:12,672 INFO L168 Benchmark]: Witness Printer took 51.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:05:12,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -233.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.16 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9809.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 49.3 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -13.0 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. * Witness Printer took 51.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 68]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 162]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 104]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((main__index2 <= 4294967296 * ((-4294967296 * ((main__index1 + (-main__index2 + 4294967294)) / 4294967296) + (main__index1 + -1)) / 4294967296) + 99998 && main__array == 0) && !(0 == __VERIFIER_assert__cond)) && __VERIFIER_assert__cond == 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2018-11-18 16:05:12,678 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,678 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,679 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,679 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,679 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,679 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,679 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,679 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,680 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,680 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,680 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,681 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,681 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,681 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,681 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 16:05:12,681 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((main__array == 0 && !(0 == __VERIFIER_assert__cond)) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2) || (((main__index2 <= 4294967296 * ((-4294967296 * ((main__index1 + (-main__index2 + 4294967294)) / 4294967296) + (main__index1 + -1)) / 4294967296) + 99998 && main__array == 0) && ((4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] <= unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) && 4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) + unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] <= 4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)]) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2)) && __VERIFIER_assert__cond == 1) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (((main__index2 <= 4294967296 * ((-4294967296 * ((main__index1 + (-main__index2 + 4294967294)) / 4294967296) + (main__index1 + -1)) / 4294967296) + 99998 && main__array == 0) && __VERIFIER_assert__cond == 1) && !(0 == main____CPAchecker_TMP_0)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((main__array == 0 && main____CPAchecker_TMP_0 == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && main__loop_entered == 0) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((((main__array == 0 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && !(0 == main____CPAchecker_TMP_0)) && !(0 == __VERIFIER_assert__cond)) || (((main__array == 0 && main____CPAchecker_TMP_0 == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 4 error locations. SAFE Result, 9.7s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 207 SDtfs, 207 SDslu, 284 SDs, 0 SdLazy, 167 SolverSat, 25 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 49 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 20 NumberOfFragments, 402 HoareAnnotationTreeSize, 12 FomulaSimplifications, 856 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 27846 SizeOfPredicates, 2 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...