./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/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 d2a071cc6090a217f48ed180b566a651717a8e39 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/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 d2a071cc6090a217f48ed180b566a651717a8e39 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:20:15,186 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:20:15,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:20:15,194 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:20:15,195 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:20:15,195 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:20:15,196 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:20:15,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:20:15,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:20:15,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:20:15,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:20:15,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:20:15,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:20:15,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:20:15,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:20:15,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:20:15,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:20:15,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:20:15,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:20:15,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:20:15,205 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:20:15,206 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:20:15,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:20:15,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:20:15,208 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:20:15,209 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:20:15,209 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:20:15,210 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:20:15,210 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:20:15,211 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:20:15,211 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:20:15,212 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:20:15,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:20:15,212 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:20:15,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:20:15,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:20:15,213 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 07:20:15,220 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:20:15,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:20:15,221 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:20:15,221 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:20:15,222 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:20:15,222 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:20:15,222 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:20:15,222 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:20:15,222 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:20:15,222 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:20:15,222 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:20:15,223 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:20:15,223 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:20:15,223 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:20:15,223 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:20:15,223 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:20:15,223 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:20:15,223 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:20:15,224 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:20:15,224 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:20:15,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:20:15,224 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:20:15,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:20:15,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:20:15,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:20:15,224 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:20:15,225 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:20:15,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:20:15,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:20:15,225 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_aefd2d99-a221-407d-b35d-28bd12c649d8/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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-11-10 07:20:15,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:20:15,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:20:15,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:20:15,261 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:20:15,261 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:20:15,262 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 07:20:15,309 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data/d3b7581b0/c875aa0bdf544681a6755eba8bb234dc/FLAGca1377bf5 [2018-11-10 07:20:15,699 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:20:15,700 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 07:20:15,703 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data/d3b7581b0/c875aa0bdf544681a6755eba8bb234dc/FLAGca1377bf5 [2018-11-10 07:20:15,713 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data/d3b7581b0/c875aa0bdf544681a6755eba8bb234dc [2018-11-10 07:20:15,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:20:15,717 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:20:15,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:20:15,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:20:15,721 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:20:15,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:20:15" (1/1) ... [2018-11-10 07:20:15,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11661478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15, skipping insertion in model container [2018-11-10 07:20:15,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:20:15" (1/1) ... [2018-11-10 07:20:15,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:20:15,741 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:20:15,835 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:20:15,838 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:20:15,847 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:20:15,855 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:20:15,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15 WrapperNode [2018-11-10 07:20:15,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:20:15,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:20:15,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:20:15,856 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:20:15,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15" (1/1) ... [2018-11-10 07:20:15,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15" (1/1) ... [2018-11-10 07:20:15,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15" (1/1) ... [2018-11-10 07:20:15,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15" (1/1) ... [2018-11-10 07:20:15,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15" (1/1) ... [2018-11-10 07:20:15,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15" (1/1) ... [2018-11-10 07:20:15,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15" (1/1) ... [2018-11-10 07:20:15,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:20:15,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:20:15,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:20:15,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:20:15,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/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 [2018-11-10 07:20:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:20:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:20:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 07:20:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:20:15,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:20:15,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 07:20:15,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 07:20:15,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:20:15,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:20:15,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:20:16,057 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:20:16,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:20:16 BoogieIcfgContainer [2018-11-10 07:20:16,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:20:16,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:20:16,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:20:16,061 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:20:16,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:20:15" (1/3) ... [2018-11-10 07:20:16,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10aada17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:20:16, skipping insertion in model container [2018-11-10 07:20:16,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:15" (2/3) ... [2018-11-10 07:20:16,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10aada17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:20:16, skipping insertion in model container [2018-11-10 07:20:16,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:20:16" (3/3) ... [2018-11-10 07:20:16,063 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 07:20:16,071 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:20:16,077 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:20:16,089 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:20:16,116 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:20:16,117 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:20:16,117 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:20:16,117 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:20:16,117 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:20:16,118 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:20:16,118 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:20:16,118 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:20:16,118 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:20:16,133 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-11-10 07:20:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 07:20:16,138 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:16,139 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:16,140 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:16,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:16,145 INFO L82 PathProgramCache]: Analyzing trace with hash -2008095039, now seen corresponding path program 1 times [2018-11-10 07:20:16,147 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:16,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:16,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:16,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:16,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:20:16,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:20:16,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:20:16,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:20:16,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:20:16,242 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2018-11-10 07:20:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:16,256 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2018-11-10 07:20:16,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:20:16,258 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-10 07:20:16,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:16,264 INFO L225 Difference]: With dead ends: 33 [2018-11-10 07:20:16,264 INFO L226 Difference]: Without dead ends: 14 [2018-11-10 07:20:16,266 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:20:16,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-10 07:20:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-10 07:20:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-10 07:20:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-11-10 07:20:16,288 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2018-11-10 07:20:16,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:16,289 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-11-10 07:20:16,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:20:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-10 07:20:16,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:20:16,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:16,289 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:16,290 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:16,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:16,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1715940768, now seen corresponding path program 1 times [2018-11-10 07:20:16,290 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:16,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:16,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:16,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:16,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:20:16,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:20:16,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:20:16,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:20:16,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:20:16,352 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 3 states. [2018-11-10 07:20:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:16,373 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2018-11-10 07:20:16,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:20:16,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 07:20:16,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:16,374 INFO L225 Difference]: With dead ends: 23 [2018-11-10 07:20:16,374 INFO L226 Difference]: Without dead ends: 18 [2018-11-10 07:20:16,374 INFO L605 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 [2018-11-10 07:20:16,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-10 07:20:16,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2018-11-10 07:20:16,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-10 07:20:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-11-10 07:20:16,377 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2018-11-10 07:20:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:16,377 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-11-10 07:20:16,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:20:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-10 07:20:16,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 07:20:16,378 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:16,378 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:16,378 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:16,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:16,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1858249546, now seen corresponding path program 1 times [2018-11-10 07:20:16,379 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:16,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:16,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:16,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:16,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:20:16,419 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/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 [2018-11-10 07:20:16,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:16,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:16,518 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:16,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-11-10 07:20:16,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 07:20:16,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 07:20:16,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:20:16,518 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 5 states. [2018-11-10 07:20:16,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:16,539 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2018-11-10 07:20:16,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:20:16,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-10 07:20:16,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:16,540 INFO L225 Difference]: With dead ends: 27 [2018-11-10 07:20:16,540 INFO L226 Difference]: Without dead ends: 22 [2018-11-10 07:20:16,540 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:20:16,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-10 07:20:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2018-11-10 07:20:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-10 07:20:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-11-10 07:20:16,544 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 15 [2018-11-10 07:20:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:16,544 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-10 07:20:16,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 07:20:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-10 07:20:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 07:20:16,545 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:16,545 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:16,545 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:16,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:16,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1003959284, now seen corresponding path program 2 times [2018-11-10 07:20:16,545 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:16,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:16,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:16,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:16,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:20:16,605 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 07:20:16,621 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 07:20:16,638 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 07:20:16,638 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:16,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:16,703 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:16,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-10 07:20:16,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:20:16,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:20:16,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:20:16,704 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 7 states. [2018-11-10 07:20:16,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:16,749 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2018-11-10 07:20:16,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 07:20:16,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-10 07:20:16,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:16,750 INFO L225 Difference]: With dead ends: 31 [2018-11-10 07:20:16,750 INFO L226 Difference]: Without dead ends: 26 [2018-11-10 07:20:16,751 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:20:16,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-10 07:20:16,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2018-11-10 07:20:16,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-10 07:20:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2018-11-10 07:20:16,755 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 19 [2018-11-10 07:20:16,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:16,755 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2018-11-10 07:20:16,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:20:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2018-11-10 07:20:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 07:20:16,756 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:16,756 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:16,756 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:16,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:16,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1434410910, now seen corresponding path program 3 times [2018-11-10 07:20:16,756 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:16,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:16,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,757 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 07:20:16,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:16,837 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:16,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:20:16,837 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 07:20:16,855 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 07:20:16,864 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-10 07:20:16,864 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:16,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:17,158 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:17,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-11-10 07:20:17,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:20:17,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:20:17,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:20:17,159 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 9 states. [2018-11-10 07:20:17,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:17,214 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2018-11-10 07:20:17,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:20:17,214 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-10 07:20:17,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:17,215 INFO L225 Difference]: With dead ends: 35 [2018-11-10 07:20:17,215 INFO L226 Difference]: Without dead ends: 30 [2018-11-10 07:20:17,216 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:20:17,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-10 07:20:17,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2018-11-10 07:20:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-10 07:20:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2018-11-10 07:20:17,221 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 23 [2018-11-10 07:20:17,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:17,221 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2018-11-10 07:20:17,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:20:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-10 07:20:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 07:20:17,222 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:17,222 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:17,222 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:17,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:17,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1032477112, now seen corresponding path program 4 times [2018-11-10 07:20:17,224 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:17,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:17,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:17,225 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 07:20:17,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:17,308 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:20:17,308 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 07:20:17,315 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 07:20:17,322 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 07:20:17,323 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:17,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:21,479 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:21,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-11-10 07:20:21,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 07:20:21,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 07:20:21,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=86, Unknown=1, NotChecked=0, Total=110 [2018-11-10 07:20:21,480 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 11 states. [2018-11-10 07:20:21,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:21,574 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2018-11-10 07:20:21,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:20:21,575 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2018-11-10 07:20:21,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:21,575 INFO L225 Difference]: With dead ends: 39 [2018-11-10 07:20:21,575 INFO L226 Difference]: Without dead ends: 34 [2018-11-10 07:20:21,576 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=23, Invalid=86, Unknown=1, NotChecked=0, Total=110 [2018-11-10 07:20:21,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-10 07:20:21,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-11-10 07:20:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-10 07:20:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2018-11-10 07:20:21,581 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 27 [2018-11-10 07:20:21,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:21,583 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2018-11-10 07:20:21,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 07:20:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-11-10 07:20:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 07:20:21,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:21,584 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:21,584 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:21,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:21,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1472952334, now seen corresponding path program 5 times [2018-11-10 07:20:21,585 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:21,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:21,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:21,586 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 07:20:21,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:21,672 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:20:21,672 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 07:20:21,679 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-10 07:20:21,696 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-10 07:20:21,697 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:21,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:24,713 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:24,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-11-10 07:20:24,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-10 07:20:24,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-10 07:20:24,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-11-10 07:20:24,714 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 13 states. [2018-11-10 07:20:24,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:24,878 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2018-11-10 07:20:24,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 07:20:24,879 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2018-11-10 07:20:24,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:24,879 INFO L225 Difference]: With dead ends: 43 [2018-11-10 07:20:24,879 INFO L226 Difference]: Without dead ends: 38 [2018-11-10 07:20:24,880 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-11-10 07:20:24,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-10 07:20:24,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2018-11-10 07:20:24,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-10 07:20:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2018-11-10 07:20:24,883 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 31 [2018-11-10 07:20:24,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:24,883 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2018-11-10 07:20:24,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-10 07:20:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2018-11-10 07:20:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 07:20:24,884 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:24,884 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:24,884 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:24,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:24,884 INFO L82 PathProgramCache]: Analyzing trace with hash -352942948, now seen corresponding path program 6 times [2018-11-10 07:20:24,884 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:24,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:24,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:24,885 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 07:20:24,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:24,984 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:20:24,985 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 07:20:24,994 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-10 07:20:25,018 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-10 07:20:25,018 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:25,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:31,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:31,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-10 07:20:31,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 07:20:31,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 07:20:31,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-10 07:20:31,163 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand 15 states. [2018-11-10 07:20:31,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:31,540 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2018-11-10 07:20:31,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 07:20:31,540 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 35 [2018-11-10 07:20:31,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:31,541 INFO L225 Difference]: With dead ends: 47 [2018-11-10 07:20:31,541 INFO L226 Difference]: Without dead ends: 42 [2018-11-10 07:20:31,542 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-10 07:20:31,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-10 07:20:31,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-11-10 07:20:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-10 07:20:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2018-11-10 07:20:31,547 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 35 [2018-11-10 07:20:31,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:31,548 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2018-11-10 07:20:31,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 07:20:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2018-11-10 07:20:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 07:20:31,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:31,549 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:31,549 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:31,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:31,549 INFO L82 PathProgramCache]: Analyzing trace with hash -843703226, now seen corresponding path program 7 times [2018-11-10 07:20:31,549 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:31,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:31,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:31,550 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 07:20:31,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:31,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:20:31,633 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 07:20:31,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:31,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:41,041 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:41,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-11-10 07:20:41,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 07:20:41,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 07:20:41,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2018-11-10 07:20:41,042 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 17 states. [2018-11-10 07:20:41,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:41,598 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2018-11-10 07:20:41,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 07:20:41,598 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 39 [2018-11-10 07:20:41,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:41,598 INFO L225 Difference]: With dead ends: 51 [2018-11-10 07:20:41,599 INFO L226 Difference]: Without dead ends: 46 [2018-11-10 07:20:41,599 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 8 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2018-11-10 07:20:41,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-10 07:20:41,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2018-11-10 07:20:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-10 07:20:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2018-11-10 07:20:41,604 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 39 [2018-11-10 07:20:41,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:41,604 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2018-11-10 07:20:41,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 07:20:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2018-11-10 07:20:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 07:20:41,605 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:41,605 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:41,605 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:41,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:41,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1842491664, now seen corresponding path program 8 times [2018-11-10 07:20:41,605 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:20:41,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:20:41,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:41,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:41,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:20:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:20:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:20:41,637 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 07:20:41,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:20:41 BoogieIcfgContainer [2018-11-10 07:20:41,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:20:41,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:20:41,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:20:41,661 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:20:41,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:20:16" (3/4) ... [2018-11-10 07:20:41,665 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:20:41,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:20:41,665 INFO L168 Benchmark]: Toolchain (without parser) took 25949.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 959.2 MB in the beginning and 1.2 GB in the end (delta: -194.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:41,667 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:20:41,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.35 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 947.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:41,667 INFO L168 Benchmark]: Boogie Preprocessor took 17.81 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:20:41,668 INFO L168 Benchmark]: RCFGBuilder took 183.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 947.4 MB in the beginning and 1.2 GB in the end (delta: -204.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:41,668 INFO L168 Benchmark]: TraceAbstraction took 25602.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -1.3 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:41,669 INFO L168 Benchmark]: Witness Printer took 3.76 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:20:41,671 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.35 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 947.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.81 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 183.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 947.4 MB in the beginning and 1.2 GB in the end (delta: -204.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25602.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -1.3 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.76 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftLeft at line 22, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L14] unsigned char x; [L15] unsigned char y; [L16] unsigned char c; [L18] x = 37 [L19] y = 0 [L20] c = 0 VAL [c=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=0, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=0, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=1, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=1, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=1, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=2, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=2, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=2, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=3, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=3, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=3, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=4, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=4, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=4, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=5, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=5, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=5, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=6, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=6, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=6, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=7, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=7, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=7, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=8, i=0, x=37, y=0] [L21] COND FALSE !(c < (unsigned char)8) VAL [bit=1, c=8, i=0, x=37, y=0] [L29] CALL __VERIFIER_assert(x == y) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. UNSAFE Result, 25.5s OverallTime, 10 OverallIterations, 9 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 210 SDtfs, 75 SDslu, 1027 SDs, 0 SdLazy, 599 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 151 SyntacticMatches, 21 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 23.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=9, 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, 9 MinimizatonAttempts, 16 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 23.5s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 383 ConstructedInterpolants, 98 QuantifiedInterpolants, 118601 SizeOfPredicates, 9 NumberOfNonLiveVariables, 385 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 0/560 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:20:43,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:20:43,134 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:20:43,143 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:20:43,143 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:20:43,144 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:20:43,145 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:20:43,146 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:20:43,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:20:43,148 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:20:43,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:20:43,149 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:20:43,150 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:20:43,152 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:20:43,153 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:20:43,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:20:43,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:20:43,156 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:20:43,157 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:20:43,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:20:43,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:20:43,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:20:43,163 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:20:43,163 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:20:43,164 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:20:43,164 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:20:43,165 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:20:43,166 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:20:43,167 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:20:43,168 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:20:43,168 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:20:43,169 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:20:43,169 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:20:43,169 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:20:43,170 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:20:43,171 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:20:43,171 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 07:20:43,184 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:20:43,185 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:20:43,185 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:20:43,186 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:20:43,186 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:20:43,186 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:20:43,187 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:20:43,187 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:20:43,187 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:20:43,188 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:20:43,188 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:20:43,188 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:20:43,188 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:20:43,188 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:20:43,188 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:20:43,188 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:20:43,188 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:20:43,188 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:20:43,189 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:20:43,189 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:20:43,189 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:20:43,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:20:43,189 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:20:43,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:20:43,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:20:43,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:20:43,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:20:43,190 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 07:20:43,190 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:20:43,190 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:20:43,190 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:20:43,190 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_aefd2d99-a221-407d-b35d-28bd12c649d8/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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-11-10 07:20:43,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:20:43,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:20:43,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:20:43,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:20:43,244 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:20:43,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 07:20:43,287 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data/a159c7849/9233ee29f722418ea4baa408ad43f9c7/FLAG2e3bace58 [2018-11-10 07:20:43,594 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:20:43,595 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 07:20:43,598 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data/a159c7849/9233ee29f722418ea4baa408ad43f9c7/FLAG2e3bace58 [2018-11-10 07:20:43,606 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/data/a159c7849/9233ee29f722418ea4baa408ad43f9c7 [2018-11-10 07:20:43,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:20:43,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:20:43,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:20:43,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:20:43,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:20:43,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:20:43" (1/1) ... [2018-11-10 07:20:43,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e502643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43, skipping insertion in model container [2018-11-10 07:20:43,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:20:43" (1/1) ... [2018-11-10 07:20:43,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:20:43,637 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:20:43,753 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:20:43,757 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:20:43,772 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:20:43,780 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:20:43,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43 WrapperNode [2018-11-10 07:20:43,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:20:43,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:20:43,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:20:43,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:20:43,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43" (1/1) ... [2018-11-10 07:20:43,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43" (1/1) ... [2018-11-10 07:20:43,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43" (1/1) ... [2018-11-10 07:20:43,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43" (1/1) ... [2018-11-10 07:20:43,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43" (1/1) ... [2018-11-10 07:20:43,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43" (1/1) ... [2018-11-10 07:20:43,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43" (1/1) ... [2018-11-10 07:20:43,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:20:43,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:20:43,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:20:43,805 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:20:43,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/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 [2018-11-10 07:20:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:20:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:20:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 07:20:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:20:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:20:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 07:20:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 07:20:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:20:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:20:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:20:44,007 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:20:44,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:20:44 BoogieIcfgContainer [2018-11-10 07:20:44,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:20:44,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:20:44,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:20:44,011 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:20:44,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:20:43" (1/3) ... [2018-11-10 07:20:44,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42043954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:20:44, skipping insertion in model container [2018-11-10 07:20:44,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:20:43" (2/3) ... [2018-11-10 07:20:44,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42043954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:20:44, skipping insertion in model container [2018-11-10 07:20:44,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:20:44" (3/3) ... [2018-11-10 07:20:44,014 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 07:20:44,020 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:20:44,024 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:20:44,034 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:20:44,053 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:20:44,054 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:20:44,054 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:20:44,054 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:20:44,054 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:20:44,054 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:20:44,054 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:20:44,055 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:20:44,055 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:20:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-11-10 07:20:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 07:20:44,072 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:44,073 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:44,074 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:44,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:44,077 INFO L82 PathProgramCache]: Analyzing trace with hash -2008095039, now seen corresponding path program 1 times [2018-11-10 07:20:44,080 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:20:44,080 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:20:44,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:44,126 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:44,136 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:20:44,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:20:44,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:20:44,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:20:44,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:20:44,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:20:44,150 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2018-11-10 07:20:44,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:44,166 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2018-11-10 07:20:44,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:20:44,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-10 07:20:44,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:44,175 INFO L225 Difference]: With dead ends: 33 [2018-11-10 07:20:44,176 INFO L226 Difference]: Without dead ends: 14 [2018-11-10 07:20:44,178 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:20:44,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-10 07:20:44,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-10 07:20:44,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-10 07:20:44,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-11-10 07:20:44,203 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2018-11-10 07:20:44,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:44,203 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-11-10 07:20:44,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:20:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-10 07:20:44,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:20:44,204 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:44,204 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:44,205 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:44,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:44,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1715940768, now seen corresponding path program 1 times [2018-11-10 07:20:44,205 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:20:44,205 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:20:44,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:44,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:44,259 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:20:44,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:20:44,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:20:44,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:20:44,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:20:44,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:20:44,261 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 3 states. [2018-11-10 07:20:44,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:44,273 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2018-11-10 07:20:44,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:20:44,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 07:20:44,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:44,274 INFO L225 Difference]: With dead ends: 23 [2018-11-10 07:20:44,274 INFO L226 Difference]: Without dead ends: 18 [2018-11-10 07:20:44,275 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:20:44,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-10 07:20:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2018-11-10 07:20:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-10 07:20:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-11-10 07:20:44,278 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2018-11-10 07:20:44,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:44,278 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-11-10 07:20:44,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:20:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-10 07:20:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 07:20:44,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:44,279 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:44,279 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:44,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:44,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1858249546, now seen corresponding path program 1 times [2018-11-10 07:20:44,280 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:20:44,280 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:20:44,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:20:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:44,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:44,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:44,322 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 07:20:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:44,351 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:44,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-10 07:20:44,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:20:44,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:20:44,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:20:44,352 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 6 states. [2018-11-10 07:20:44,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:44,401 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2018-11-10 07:20:44,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:20:44,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-10 07:20:44,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:44,402 INFO L225 Difference]: With dead ends: 33 [2018-11-10 07:20:44,402 INFO L226 Difference]: Without dead ends: 28 [2018-11-10 07:20:44,403 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:20:44,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-10 07:20:44,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-10 07:20:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-10 07:20:44,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2018-11-10 07:20:44,407 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 15 [2018-11-10 07:20:44,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:44,407 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2018-11-10 07:20:44,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:20:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-10 07:20:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 07:20:44,408 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:44,408 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:44,408 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:44,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:44,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1032477112, now seen corresponding path program 2 times [2018-11-10 07:20:44,409 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:20:44,409 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:20:44,422 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-10 07:20:44,460 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 07:20:44,460 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:44,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 07:20:44,509 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 07:20:44,554 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 07:20:44,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:44,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-10 07:20:44,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:20:44,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:20:44,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:20:44,556 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2018-11-10 07:20:44,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:44,690 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-11-10 07:20:44,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 07:20:44,691 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-11-10 07:20:44,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:44,692 INFO L225 Difference]: With dead ends: 56 [2018-11-10 07:20:44,693 INFO L226 Difference]: Without dead ends: 40 [2018-11-10 07:20:44,693 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 07:20:44,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-10 07:20:44,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2018-11-10 07:20:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-10 07:20:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-11-10 07:20:44,698 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 27 [2018-11-10 07:20:44,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:44,699 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-11-10 07:20:44,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:20:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-11-10 07:20:44,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 07:20:44,700 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:44,700 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:44,700 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:44,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:44,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1432075204, now seen corresponding path program 1 times [2018-11-10 07:20:44,701 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:20:44,701 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:20:44,725 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 07:20:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:20:44,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:44,833 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 07:20:44,950 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:44,951 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:44,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-10 07:20:44,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 07:20:44,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 07:20:44,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-11-10 07:20:44,953 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 12 states. [2018-11-10 07:20:45,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:45,070 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-11-10 07:20:45,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 07:20:45,071 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-11-10 07:20:45,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:45,071 INFO L225 Difference]: With dead ends: 49 [2018-11-10 07:20:45,071 INFO L226 Difference]: Without dead ends: 44 [2018-11-10 07:20:45,072 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2018-11-10 07:20:45,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-10 07:20:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-10 07:20:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-10 07:20:45,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2018-11-10 07:20:45,076 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 27 [2018-11-10 07:20:45,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:45,076 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2018-11-10 07:20:45,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 07:20:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2018-11-10 07:20:45,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 07:20:45,077 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:45,077 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:45,077 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:45,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:45,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1701745556, now seen corresponding path program 2 times [2018-11-10 07:20:45,078 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:20:45,078 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:20:45,094 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-10 07:20:45,135 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 07:20:45,135 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:45,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 71 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 07:20:45,194 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 07:20:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 71 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 07:20:45,310 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:45,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-11-10 07:20:45,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-10 07:20:45,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-10 07:20:45,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-11-10 07:20:45,311 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand 13 states. [2018-11-10 07:20:45,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:45,695 INFO L93 Difference]: Finished difference Result 88 states and 103 transitions. [2018-11-10 07:20:45,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-10 07:20:45,695 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-11-10 07:20:45,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:45,696 INFO L225 Difference]: With dead ends: 88 [2018-11-10 07:20:45,696 INFO L226 Difference]: Without dead ends: 68 [2018-11-10 07:20:45,697 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2018-11-10 07:20:45,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-10 07:20:45,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 53. [2018-11-10 07:20:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-10 07:20:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-11-10 07:20:45,706 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 43 [2018-11-10 07:20:45,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:45,706 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-11-10 07:20:45,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-10 07:20:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-11-10 07:20:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 07:20:45,707 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:45,707 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:45,707 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:45,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:45,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1224392102, now seen corresponding path program 3 times [2018-11-10 07:20:45,708 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:20:45,708 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:20:45,730 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-10 07:20:45,830 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2018-11-10 07:20:45,830 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:45,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 1 proven. 124 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 07:20:46,491 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 07:20:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 07:20:47,663 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:47,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2018-11-10 07:20:47,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-11-10 07:20:47,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-11-10 07:20:47,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1199, Unknown=0, NotChecked=0, Total=1332 [2018-11-10 07:20:47,664 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 37 states. [2018-11-10 07:20:48,533 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2018-11-10 07:20:49,169 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2018-11-10 07:20:53,428 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2018-11-10 07:20:54,084 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 58 [2018-11-10 07:20:54,839 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2018-11-10 07:20:55,153 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 60 [2018-11-10 07:20:56,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:56,915 INFO L93 Difference]: Finished difference Result 251 states and 303 transitions. [2018-11-10 07:20:56,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-11-10 07:20:56,916 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 43 [2018-11-10 07:20:56,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:56,918 INFO L225 Difference]: With dead ends: 251 [2018-11-10 07:20:56,918 INFO L226 Difference]: Without dead ends: 245 [2018-11-10 07:20:56,921 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3134 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1486, Invalid=10070, Unknown=0, NotChecked=0, Total=11556 [2018-11-10 07:20:56,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-10 07:20:56,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 194. [2018-11-10 07:20:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-11-10 07:20:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 239 transitions. [2018-11-10 07:20:56,950 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 239 transitions. Word has length 43 [2018-11-10 07:20:56,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:56,950 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 239 transitions. [2018-11-10 07:20:56,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-11-10 07:20:56,951 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 239 transitions. [2018-11-10 07:20:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 07:20:56,951 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:56,952 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:56,952 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:56,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:56,952 INFO L82 PathProgramCache]: Analyzing trace with hash 203323748, now seen corresponding path program 4 times [2018-11-10 07:20:56,952 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:20:56,953 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:20:56,968 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 07:20:56,989 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 07:20:56,989 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:56,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 63 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 07:20:57,026 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 07:20:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 63 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 07:20:57,131 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:20:57,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2018-11-10 07:20:57,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-10 07:20:57,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-10 07:20:57,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-11-10 07:20:57,132 INFO L87 Difference]: Start difference. First operand 194 states and 239 transitions. Second operand 16 states. [2018-11-10 07:20:57,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:57,255 INFO L93 Difference]: Finished difference Result 227 states and 283 transitions. [2018-11-10 07:20:57,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 07:20:57,255 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 43 [2018-11-10 07:20:57,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:57,256 INFO L225 Difference]: With dead ends: 227 [2018-11-10 07:20:57,256 INFO L226 Difference]: Without dead ends: 80 [2018-11-10 07:20:57,256 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2018-11-10 07:20:57,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-10 07:20:57,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2018-11-10 07:20:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-10 07:20:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2018-11-10 07:20:57,264 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 43 [2018-11-10 07:20:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:57,264 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2018-11-10 07:20:57,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-10 07:20:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2018-11-10 07:20:57,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 07:20:57,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:20:57,265 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:20:57,266 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:20:57,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:20:57,266 INFO L82 PathProgramCache]: Analyzing trace with hash 2101680654, now seen corresponding path program 5 times [2018-11-10 07:20:57,266 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:20:57,266 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:20:57,289 INFO L101 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2018-11-10 07:20:57,398 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2018-11-10 07:20:57,398 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 07:20:57,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:20:57,894 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:20:57,895 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:20:57,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:20:57,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-11-10 07:20:57,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-10 07:20:57,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-10 07:20:57,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2018-11-10 07:20:57,897 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand 18 states. [2018-11-10 07:20:58,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:58,053 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2018-11-10 07:20:58,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-10 07:20:58,054 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 47 [2018-11-10 07:20:58,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:58,055 INFO L225 Difference]: With dead ends: 76 [2018-11-10 07:20:58,055 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:20:58,055 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2018-11-10 07:20:58,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:20:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:20:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:20:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:20:58,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2018-11-10 07:20:58,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:58,056 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:20:58,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-10 07:20:58,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:20:58,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:20:58,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:20:58,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:20:58,787 WARN L179 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 136 [2018-11-10 07:20:58,789 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 07:20:58,789 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:20:58,789 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:20:58,790 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 07:20:58,790 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:20:58,790 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:20:58,790 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 12 32) the Hoare annotation is: true [2018-11-10 07:20:58,790 INFO L425 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-11-10 07:20:58,790 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 12 32) no Hoare annotation was computed. [2018-11-10 07:20:58,790 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-10 07:20:58,790 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 24 26) no Hoare annotation was computed. [2018-11-10 07:20:58,790 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 28) no Hoare annotation was computed. [2018-11-10 07:20:58,790 INFO L421 ceAbstractionStarter]: At program point L21-3(lines 21 28) the Hoare annotation is: (let ((.cse9 ((_ zero_extend 24) main_~c~0)) (.cse19 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse37 ((_ zero_extend 24) v_main_~c~0_38))) (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse37 (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 (_ bv1 32)))))) (let ((.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse36 (_ bv1 32)))) (_ bv1 32)))))) (and (bvslt .cse35 (_ bv8 32)) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse36))) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse37))) (_ bv1 32)))))) main_~y~0) (bvslt .cse38 (_ bv8 32)) (= main_~c~0 ((_ extract 7 0) (bvadd .cse38 (_ bv1 32))))))))))) (.cse1 (= (_ bv0 8) main_~bit~0)) (.cse10 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse34 ((_ zero_extend 24) v_main_~c~0_38))) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse34 (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse33 (_ bv1 32)))))) (and (= main_~c~0 ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse32 (_ bv1 32)))) (_ bv1 32)))) (bvslt .cse33 (_ bv8 32)) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse32))) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse34))) (_ bv1 32)))))) main_~y~0))))))) (.cse0 (= (_ bv37 8) main_~x~0)) (.cse29 (not (= ((_ zero_extend 24) main_~bit~0) (_ bv0 32))))) (or (and .cse0 .cse1 (exists ((v_main_~c~0_67 (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) v_main_~c~0_67))) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 (_ bv1 32)))))) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 (_ bv1 32)))))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 (_ bv1 32)))))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse5 (_ bv1 32)))))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 (_ bv1 32)))))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse7 (_ bv1 32)))))) (and (bvslt .cse2 (_ bv8 32)) (= ((_ extract 7 0) (bvadd .cse3 (_ bv1 32))) main_~c~0) (bvslt .cse4 (_ bv8 32)) (bvslt .cse5 (_ bv8 32)) (bvslt .cse6 (_ bv8 32)) (bvslt .cse7 (_ bv8 32)) (bvslt .cse8 (_ bv8 32)) (bvslt .cse3 (_ bv8 32))))))))))) (bvslt .cse9 (_ bv8 32)) .cse10) (and .cse0 .cse1 (exists ((v_main_~c~0_67 (_ BitVec 8))) (let ((.cse13 ((_ zero_extend 24) v_main_~c~0_67))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse13 (_ bv1 32)))))) (let ((.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 (_ bv1 32)))))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse17 (_ bv1 32)))))) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 (_ bv1 32)))))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 (_ bv1 32)))))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse16 (_ bv1 32)))))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse18 (_ bv1 32)))))) (and (bvslt .cse11 (_ bv8 32)) (= ((_ extract 7 0) (bvadd .cse12 (_ bv1 32))) main_~c~0) (bvslt .cse13 (_ bv8 32)) (bvslt .cse12 (_ bv8 32)) (bvslt .cse14 (_ bv8 32)) (bvslt .cse15 (_ bv8 32)) (bvslt .cse16 (_ bv8 32)) (bvslt .cse17 (_ bv8 32)) (bvslt .cse18 (_ bv8 32)))))))))))) .cse19) (and .cse0 .cse1 (= (_ bv1 8) main_~y~0) (= (_ bv2 8) main_~c~0)) (and .cse0 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) v_main_~c~0_38))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse21 (_ bv1 32)))))) (and (= main_~c~0 ((_ extract 7 0) (bvadd .cse20 (_ bv1 32)))) (bvslt .cse21 (_ bv8 32)) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse20))) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse22))) (_ bv1 32)))))) main_~y~0)))))) (= (_ bv32 8) main_~bit~0) (exists ((v_main_~c~0_67 (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) v_main_~c~0_67))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 (_ bv1 32)))))) (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse27 (_ bv1 32)))))) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse28 (_ bv1 32)))))) (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse26 (_ bv1 32)))))) (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse23 (_ bv1 32)))))) (and (bvslt .cse23 (_ bv8 32)) (bvslt .cse24 (_ bv8 32)) (= ((_ extract 7 0) (bvadd .cse25 (_ bv1 32))) main_~c~0) (bvslt .cse26 (_ bv8 32)) (bvslt .cse27 (_ bv8 32)) (bvslt .cse25 (_ bv8 32)) (bvslt .cse28 (_ bv8 32)))))))))) (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse9 (_ bv1 32)))) (_ bv8 32))) (and .cse0 .cse1 .cse19 (= (_ bv5 8) main_~c~0)) (and .cse0 .cse29 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse30 ((_ zero_extend 24) v_main_~c~0_38))) (and (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse30))) (_ bv1 32))) main_~y~0) (= ((_ extract 7 0) (bvadd .cse30 (_ bv1 32))) main_~c~0)))) (= (_ bv3 8) main_~c~0)) (and (= (_ bv0 8) main_~c~0) .cse0 (= (_ bv0 8) main_~y~0)) (and .cse0 .cse1 .cse10 (= (_ bv4 8) main_~c~0)) (and .cse0 (= (_ bv1 8) main_~c~0) .cse29 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse31 ((_ zero_extend 24) v_main_~c~0_38))) (and (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse31))) (_ bv1 32))) main_~y~0) (= main_~c~0 ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse31 (_ bv1 32)))) (_ bv1 32)))))))))) [2018-11-10 07:20:58,791 INFO L421 ceAbstractionStarter]: At program point L21-4(lines 21 28) the Hoare annotation is: (let ((.cse1 ((_ zero_extend 24) main_~c~0))) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse1 (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 (_ bv1 32)))) (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse0 ((_ zero_extend 24) main_~x~0)) (.cse2 ((_ zero_extend 24) main_~y~0)) (.cse3 (bvslt .cse5 (_ bv8 32)))) (and (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse1)))))) (= .cse0 .cse2) (or .cse3 (= .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse4))) .cse2))))) (or (not .cse3) (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse5 (_ bv1 32)))) (_ bv8 32)))))))) [2018-11-10 07:20:58,791 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 12 32) no Hoare annotation was computed. [2018-11-10 07:20:58,791 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-10 07:20:58,791 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-10 07:20:58,791 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-10 07:20:58,791 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-10 07:20:58,791 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-10 07:20:58,791 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-10 07:20:58,798 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,799 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,799 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,800 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,800 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,800 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,800 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,801 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,801 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,801 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,801 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,802 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,802 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,802 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,803 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,803 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,803 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,803 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,804 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,804 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,804 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,804 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,805 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,805 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,805 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,806 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,806 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,806 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,806 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,807 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,807 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,807 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,810 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,810 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,810 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,810 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:20:58 BoogieIcfgContainer [2018-11-10 07:20:58,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:20:58,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:20:58,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:20:58,832 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:20:58,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:20:44" (3/4) ... [2018-11-10 07:20:58,834 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:20:58,839 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:20:58,840 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:20:58,840 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 07:20:58,842 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 07:20:58,843 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:20:58,843 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 07:20:58,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: ((((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && ~bvslt32(~zero_extendFrom8To32(c), 8bv32)) && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: (((((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && (\exists v_main_~c~0_38 : bv8 :: ((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))) || (((37bv8 == x && 0bv8 == bit) && 1bv8 == y) && 2bv8 == c)) || ((((37bv8 == x && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) && 32bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: (((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(c), 1bv32)[7:0]), 8bv32))) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_38 : bv8 :: ((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0])) && 5bv8 == c)) || (((37bv8 == x && !(~zero_extendFrom8To32(bit) == 0bv32)) && (\exists v_main_~c~0_38 : bv8 :: ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0] == y && ~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0] == c)) && 3bv8 == c)) || ((0bv8 == c && 37bv8 == x) && 0bv8 == y)) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) && 4bv8 == c)) || (((37bv8 == x && 1bv8 == c) && !(~zero_extendFrom8To32(bit) == 0bv32)) && (\exists v_main_~c~0_38 : bv8 :: ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0] == y && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0])) [2018-11-10 07:20:58,868 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aefd2d99-a221-407d-b35d-28bd12c649d8/bin-2019/uautomizer/witness.graphml [2018-11-10 07:20:58,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:20:58,868 INFO L168 Benchmark]: Toolchain (without parser) took 15259.65 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 334.0 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 136.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:58,869 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:20:58,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.02 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:58,869 INFO L168 Benchmark]: Boogie Preprocessor took 23.70 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:58,870 INFO L168 Benchmark]: RCFGBuilder took 202.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:58,870 INFO L168 Benchmark]: TraceAbstraction took 14823.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -36.4 MB). Peak memory consumption was 161.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:58,871 INFO L168 Benchmark]: Witness Printer took 36.66 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:20:58,873 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.02 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.70 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 202.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14823.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -36.4 MB). Peak memory consumption was 161.8 MB. Max. memory is 11.5 GB. * Witness Printer took 36.66 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant [2018-11-10 07:20:58,878 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,878 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,878 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,879 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,879 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,879 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,879 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,879 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,881 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,881 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,881 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,881 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,881 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,882 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,882 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,882 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,882 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,882 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,883 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,883 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,883 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,883 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,884 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,884 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,884 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,884 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,884 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,885 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,885 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,885 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,885 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,885 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,889 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,889 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,889 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,891 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,891 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,891 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,891 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,891 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,893 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,893 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,893 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,893 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,893 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,893 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,893 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,893 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,893 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,894 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,894 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,894 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,894 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,894 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-10 07:20:58,894 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,894 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,894 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,894 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,895 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,895 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,895 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,895 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,895 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,895 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,895 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,895 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-10 07:20:58,895 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] Derived loop invariant: (((((((((((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: ((((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && ~bvslt32(~zero_extendFrom8To32(c), 8bv32)) && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: (((((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && (\exists v_main_~c~0_38 : bv8 :: ((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))) || (((37bv8 == x && 0bv8 == bit) && 1bv8 == y) && 2bv8 == c)) || ((((37bv8 == x && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) && 32bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: (((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(c), 1bv32)[7:0]), 8bv32))) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_38 : bv8 :: ((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0])) && 5bv8 == c)) || (((37bv8 == x && !(~zero_extendFrom8To32(bit) == 0bv32)) && (\exists v_main_~c~0_38 : bv8 :: ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0] == y && ~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0] == c)) && 3bv8 == c)) || ((0bv8 == c && 37bv8 == x) && 0bv8 == y)) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) && 4bv8 == c)) || (((37bv8 == x && 1bv8 == c) && !(~zero_extendFrom8To32(bit) == 0bv32)) && (\exists v_main_~c~0_38 : bv8 :: ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0] == y && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. SAFE Result, 14.7s OverallTime, 9 OverallIterations, 10 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 186 SDtfs, 377 SDslu, 1179 SDs, 0 SdLazy, 1313 SolverSat, 214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 356 SyntacticMatches, 3 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3278 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=7, 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, 9 MinimizatonAttempts, 83 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 16 PreInvPairs, 27 NumberOfFragments, 1105 HoareAnnotationTreeSize, 16 FomulaSimplifications, 500 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1041 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 449 ConstructedInterpolants, 63 QuantifiedInterpolants, 319655 SizeOfPredicates, 24 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 557/1062 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...