./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/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 6e679f9bfc379fa4fbede70512fc16896a5c333e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:44:06,780 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:44:06,781 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:44:06,787 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:44:06,788 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:44:06,788 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:44:06,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:44:06,790 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:44:06,791 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:44:06,792 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:44:06,792 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:44:06,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:44:06,793 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:44:06,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:44:06,795 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:44:06,795 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:44:06,796 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:44:06,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:44:06,798 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:44:06,799 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:44:06,800 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:44:06,801 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:44:06,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:44:06,803 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:44:06,803 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:44:06,803 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:44:06,804 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:44:06,805 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:44:06,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:44:06,806 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:44:06,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:44:06,806 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:44:06,807 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:44:06,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:44:06,807 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:44:06,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:44:06,808 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:44:06,815 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:44:06,815 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:44:06,816 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:44:06,816 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:44:06,816 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:44:06,816 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:44:06,817 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:44:06,817 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:44:06,817 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:44:06,817 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:44:06,817 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:44:06,817 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:44:06,817 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:44:06,818 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:44:06,818 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:44:06,818 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:44:06,818 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:44:06,818 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:44:06,818 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:44:06,818 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:44:06,819 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:44:06,819 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:44:06,819 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:44:06,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:44:06,819 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:44:06,819 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:44:06,819 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:44:06,820 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:44:06,820 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:44:06,820 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:44:06,820 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_1a12720e-e9ce-4b0a-9367-76af93d3413e/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 -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2018-11-23 15:44:06,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:44:06,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:44:06,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:44:06,859 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:44:06,859 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:44:06,860 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-23 15:44:06,904 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/data/9d61958c1/0755d6bf57904ec4a530671285f1b148/FLAG6245e2ad9 [2018-11-23 15:44:07,345 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:44:07,346 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-23 15:44:07,356 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/data/9d61958c1/0755d6bf57904ec4a530671285f1b148/FLAG6245e2ad9 [2018-11-23 15:44:07,367 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/data/9d61958c1/0755d6bf57904ec4a530671285f1b148 [2018-11-23 15:44:07,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:44:07,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:44:07,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:44:07,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:44:07,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:44:07,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9222f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07, skipping insertion in model container [2018-11-23 15:44:07,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:44:07,422 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:44:07,650 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:44:07,652 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:44:07,719 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:44:07,789 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:44:07,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07 WrapperNode [2018-11-23 15:44:07,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:44:07,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:44:07,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:44:07,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:44:07,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:44:07,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:44:07,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:44:07,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:44:07,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2018-11-23 15:44:07,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:44:07,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:44:07,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:44:07,871 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:44:07,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/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 [2018-11-23 15:44:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:44:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:44:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:44:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 15:44:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 15:44:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:44:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:44:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:44:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:44:08,698 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:44:08,698 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 15:44:08,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:08 BoogieIcfgContainer [2018-11-23 15:44:08,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:44:08,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:44:08,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:44:08,702 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:44:08,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:44:07" (1/3) ... [2018-11-23 15:44:08,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b819094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:08, skipping insertion in model container [2018-11-23 15:44:08,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (2/3) ... [2018-11-23 15:44:08,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b819094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:08, skipping insertion in model container [2018-11-23 15:44:08,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:08" (3/3) ... [2018-11-23 15:44:08,704 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23_true-unreach-call.c [2018-11-23 15:44:08,710 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:44:08,715 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:44:08,725 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:44:08,746 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:44:08,746 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:44:08,746 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:44:08,746 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:44:08,746 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:44:08,746 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:44:08,747 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:44:08,747 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:44:08,747 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:44:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 15:44:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 15:44:08,768 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:08,769 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:08,771 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:08,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:08,774 INFO L82 PathProgramCache]: Analyzing trace with hash -2063812481, now seen corresponding path program 1 times [2018-11-23 15:44:08,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:44:08,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:44:08,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:08,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:08,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:08,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:44:08,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:44:08,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:44:08,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:44:08,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:44:08,998 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-23 15:44:09,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:44:09,621 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-23 15:44:09,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:44:09,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 15:44:09,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:44:09,631 INFO L225 Difference]: With dead ends: 571 [2018-11-23 15:44:09,631 INFO L226 Difference]: Without dead ends: 354 [2018-11-23 15:44:09,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:44:09,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-23 15:44:09,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-23 15:44:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 15:44:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 607 transitions. [2018-11-23 15:44:09,687 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 607 transitions. Word has length 52 [2018-11-23 15:44:09,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:44:09,688 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 607 transitions. [2018-11-23 15:44:09,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:44:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 607 transitions. [2018-11-23 15:44:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 15:44:09,693 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:09,693 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:09,694 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:09,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:09,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1911288886, now seen corresponding path program 1 times [2018-11-23 15:44:09,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:44:09,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:44:09,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:09,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:09,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:09,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:44:09,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:44:09,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:44:09,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:44:09,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:44:09,817 INFO L87 Difference]: Start difference. First operand 354 states and 607 transitions. Second operand 5 states. [2018-11-23 15:44:10,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:44:10,688 INFO L93 Difference]: Finished difference Result 1282 states and 2308 transitions. [2018-11-23 15:44:10,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:44:10,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-23 15:44:10,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:44:10,695 INFO L225 Difference]: With dead ends: 1282 [2018-11-23 15:44:10,696 INFO L226 Difference]: Without dead ends: 934 [2018-11-23 15:44:10,698 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:44:10,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2018-11-23 15:44:10,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 922. [2018-11-23 15:44:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 922 states. [2018-11-23 15:44:10,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1440 transitions. [2018-11-23 15:44:10,733 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1440 transitions. Word has length 134 [2018-11-23 15:44:10,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:44:10,733 INFO L480 AbstractCegarLoop]: Abstraction has 922 states and 1440 transitions. [2018-11-23 15:44:10,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:44:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1440 transitions. [2018-11-23 15:44:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 15:44:10,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:10,743 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:10,744 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:10,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:10,744 INFO L82 PathProgramCache]: Analyzing trace with hash 614464170, now seen corresponding path program 1 times [2018-11-23 15:44:10,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:44:10,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:44:10,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:10,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:10,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:10,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:44:10,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:44:10,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:44:10,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:44:10,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:44:10,889 INFO L87 Difference]: Start difference. First operand 922 states and 1440 transitions. Second operand 6 states. [2018-11-23 15:44:11,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:44:11,659 INFO L93 Difference]: Finished difference Result 2525 states and 4079 transitions. [2018-11-23 15:44:11,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:44:11,659 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-11-23 15:44:11,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:44:11,665 INFO L225 Difference]: With dead ends: 2525 [2018-11-23 15:44:11,665 INFO L226 Difference]: Without dead ends: 1609 [2018-11-23 15:44:11,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:44:11,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2018-11-23 15:44:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1580. [2018-11-23 15:44:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1580 states. [2018-11-23 15:44:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2315 transitions. [2018-11-23 15:44:11,699 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2315 transitions. Word has length 150 [2018-11-23 15:44:11,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:44:11,699 INFO L480 AbstractCegarLoop]: Abstraction has 1580 states and 2315 transitions. [2018-11-23 15:44:11,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:44:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2315 transitions. [2018-11-23 15:44:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 15:44:11,703 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:11,703 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:11,703 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:11,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:11,703 INFO L82 PathProgramCache]: Analyzing trace with hash 628433146, now seen corresponding path program 1 times [2018-11-23 15:44:11,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:44:11,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:44:11,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:11,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:11,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:11,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:44:11,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:44:11,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:44:11,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:44:11,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:44:11,849 INFO L87 Difference]: Start difference. First operand 1580 states and 2315 transitions. Second operand 6 states. [2018-11-23 15:44:12,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:44:12,367 INFO L93 Difference]: Finished difference Result 3490 states and 5298 transitions. [2018-11-23 15:44:12,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:44:12,368 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-11-23 15:44:12,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:44:12,375 INFO L225 Difference]: With dead ends: 3490 [2018-11-23 15:44:12,375 INFO L226 Difference]: Without dead ends: 1916 [2018-11-23 15:44:12,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:44:12,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2018-11-23 15:44:12,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1881. [2018-11-23 15:44:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-11-23 15:44:12,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2667 transitions. [2018-11-23 15:44:12,412 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2667 transitions. Word has length 174 [2018-11-23 15:44:12,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:44:12,412 INFO L480 AbstractCegarLoop]: Abstraction has 1881 states and 2667 transitions. [2018-11-23 15:44:12,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:44:12,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2667 transitions. [2018-11-23 15:44:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 15:44:12,416 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:12,416 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:12,416 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:12,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:12,416 INFO L82 PathProgramCache]: Analyzing trace with hash 880887528, now seen corresponding path program 1 times [2018-11-23 15:44:12,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:44:12,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:44:12,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:12,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:12,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:12,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:44:12,693 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/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 [2018-11-23 15:44:12,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:12,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:44:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:12,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:44:12,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2018-11-23 15:44:12,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 15:44:12,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 15:44:12,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-23 15:44:12,898 INFO L87 Difference]: Start difference. First operand 1881 states and 2667 transitions. Second operand 15 states. [2018-11-23 15:44:16,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:44:16,636 INFO L93 Difference]: Finished difference Result 7083 states and 11089 transitions. [2018-11-23 15:44:16,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-23 15:44:16,636 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 213 [2018-11-23 15:44:16,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:44:16,661 INFO L225 Difference]: With dead ends: 7083 [2018-11-23 15:44:16,661 INFO L226 Difference]: Without dead ends: 4752 [2018-11-23 15:44:16,684 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=503, Invalid=1567, Unknown=0, NotChecked=0, Total=2070 [2018-11-23 15:44:16,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4752 states. [2018-11-23 15:44:16,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4752 to 4344. [2018-11-23 15:44:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4344 states. [2018-11-23 15:44:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 5658 transitions. [2018-11-23 15:44:16,797 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 5658 transitions. Word has length 213 [2018-11-23 15:44:16,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:44:16,797 INFO L480 AbstractCegarLoop]: Abstraction has 4344 states and 5658 transitions. [2018-11-23 15:44:16,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 15:44:16,797 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 5658 transitions. [2018-11-23 15:44:16,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 15:44:16,807 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:16,807 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:16,807 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:16,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:16,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1030862380, now seen corresponding path program 1 times [2018-11-23 15:44:16,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:44:16,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:44:16,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:16,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:16,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:16,900 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 15:44:16,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:44:16,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:44:16,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:44:16,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:44:16,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:44:16,901 INFO L87 Difference]: Start difference. First operand 4344 states and 5658 transitions. Second operand 4 states. [2018-11-23 15:44:17,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:44:17,626 INFO L93 Difference]: Finished difference Result 9904 states and 13260 transitions. [2018-11-23 15:44:17,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:44:17,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 227 [2018-11-23 15:44:17,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:44:17,648 INFO L225 Difference]: With dead ends: 9904 [2018-11-23 15:44:17,648 INFO L226 Difference]: Without dead ends: 5570 [2018-11-23 15:44:17,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:44:17,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5570 states. [2018-11-23 15:44:17,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5570 to 5435. [2018-11-23 15:44:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5435 states. [2018-11-23 15:44:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5435 states to 5435 states and 6593 transitions. [2018-11-23 15:44:17,777 INFO L78 Accepts]: Start accepts. Automaton has 5435 states and 6593 transitions. Word has length 227 [2018-11-23 15:44:17,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:44:17,778 INFO L480 AbstractCegarLoop]: Abstraction has 5435 states and 6593 transitions. [2018-11-23 15:44:17,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:44:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 5435 states and 6593 transitions. [2018-11-23 15:44:17,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-23 15:44:17,788 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:17,788 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:17,788 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:17,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:17,789 INFO L82 PathProgramCache]: Analyzing trace with hash -746901927, now seen corresponding path program 1 times [2018-11-23 15:44:17,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:44:17,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:44:17,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:17,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:17,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 90 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:44:17,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:44:17,929 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/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 [2018-11-23 15:44:17,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:18,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:44:18,057 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 15:44:18,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:44:18,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-23 15:44:18,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:44:18,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:44:18,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:44:18,084 INFO L87 Difference]: Start difference. First operand 5435 states and 6593 transitions. Second operand 6 states. [2018-11-23 15:44:19,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:44:19,075 INFO L93 Difference]: Finished difference Result 12882 states and 15868 transitions. [2018-11-23 15:44:19,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 15:44:19,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2018-11-23 15:44:19,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:44:19,095 INFO L225 Difference]: With dead ends: 12882 [2018-11-23 15:44:19,095 INFO L226 Difference]: Without dead ends: 7457 [2018-11-23 15:44:19,106 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 233 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:44:19,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7457 states. [2018-11-23 15:44:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7457 to 6700. [2018-11-23 15:44:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6700 states. [2018-11-23 15:44:19,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6700 states to 6700 states and 8024 transitions. [2018-11-23 15:44:19,231 INFO L78 Accepts]: Start accepts. Automaton has 6700 states and 8024 transitions. Word has length 230 [2018-11-23 15:44:19,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:44:19,232 INFO L480 AbstractCegarLoop]: Abstraction has 6700 states and 8024 transitions. [2018-11-23 15:44:19,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:44:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 6700 states and 8024 transitions. [2018-11-23 15:44:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-11-23 15:44:19,251 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:19,251 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:19,252 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:19,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:19,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1693644177, now seen corresponding path program 1 times [2018-11-23 15:44:19,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:44:19,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:44:19,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:19,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:19,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 146 proven. 245 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:44:19,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:44:19,746 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/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 [2018-11-23 15:44:19,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:19,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:44:36,598 WARN L180 SmtUtils]: Spent 16.66 s on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2018-11-23 15:44:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 323 proven. 26 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 15:44:36,930 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:44:36,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 19 [2018-11-23 15:44:36,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 15:44:36,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 15:44:36,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 15:44:36,931 INFO L87 Difference]: Start difference. First operand 6700 states and 8024 transitions. Second operand 19 states. [2018-11-23 15:44:56,181 WARN L180 SmtUtils]: Spent 15.03 s on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2018-11-23 15:44:58,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:44:58,851 INFO L93 Difference]: Finished difference Result 16675 states and 21581 transitions. [2018-11-23 15:44:58,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-23 15:44:58,852 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 345 [2018-11-23 15:44:58,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:44:58,879 INFO L225 Difference]: With dead ends: 16675 [2018-11-23 15:44:58,880 INFO L226 Difference]: Without dead ends: 10126 [2018-11-23 15:44:58,892 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 382 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1460 ImplicationChecksByTransitivity, 34.0s TimeCoverageRelationStatistics Valid=906, Invalid=4064, Unknown=0, NotChecked=0, Total=4970 [2018-11-23 15:44:58,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10126 states. [2018-11-23 15:44:59,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10126 to 9300. [2018-11-23 15:44:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9300 states. [2018-11-23 15:44:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9300 states to 9300 states and 11324 transitions. [2018-11-23 15:44:59,070 INFO L78 Accepts]: Start accepts. Automaton has 9300 states and 11324 transitions. Word has length 345 [2018-11-23 15:44:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:44:59,070 INFO L480 AbstractCegarLoop]: Abstraction has 9300 states and 11324 transitions. [2018-11-23 15:44:59,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 15:44:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 9300 states and 11324 transitions. [2018-11-23 15:44:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-11-23 15:44:59,093 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:59,093 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:59,093 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:59,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:59,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1194015548, now seen corresponding path program 1 times [2018-11-23 15:44:59,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:44:59,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:44:59,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:59,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:59,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-23 15:44:59,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:44:59,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:44:59,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:44:59,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:44:59,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:44:59,296 INFO L87 Difference]: Start difference. First operand 9300 states and 11324 transitions. Second operand 3 states. [2018-11-23 15:44:59,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:44:59,793 INFO L93 Difference]: Finished difference Result 19561 states and 24362 transitions. [2018-11-23 15:44:59,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:44:59,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 364 [2018-11-23 15:44:59,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:44:59,794 INFO L225 Difference]: With dead ends: 19561 [2018-11-23 15:44:59,795 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:44:59,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:44:59,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:44:59,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:44:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:44:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:44:59,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2018-11-23 15:44:59,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:44:59,868 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:44:59,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:44:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:44:59,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:44:59,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:44:59,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,160 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 214 [2018-11-23 15:45:00,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:45:00,303 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 214 [2018-11-23 15:45:00,736 WARN L180 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 39 [2018-11-23 15:45:01,073 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 42 [2018-11-23 15:45:01,496 WARN L180 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 42 [2018-11-23 15:45:01,497 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 15:45:01,498 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,499 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 15:45:01,500 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,501 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,502 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 15:45:01,503 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 15:45:01,504 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,505 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 15:45:01,506 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 7 |old(~a19~0)|)) (.cse5 (= 10 |old(~a19~0)|)) (.cse1 (< 1 |old(~a10~0)|)) (.cse6 (< (+ |old(~a1~0)| 12) 0)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse4 (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (or .cse0 .cse5) .cse2 .cse3 .cse4) (or .cse6 .cse4 .cse5 .cse2 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse1 .cse6 .cse2 .cse3 .cse4))) [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 15:45:01,507 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,508 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 15:45:01,509 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 15:45:01,510 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 15:45:01,511 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 15:45:01,511 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 15:45:01,511 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 15:45:01,511 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 15:45:01,511 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:45:01,511 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (not (= ~a19~0 7)) (not (= ~a19~0 10)) (not (= 1 ~a10~0)) (= ~a12~0 0) (= ~a4~0 14) (<= ~a10~0 1)) [2018-11-23 15:45:01,511 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:45:01,511 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:45:01,511 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 7 |old(~a19~0)|) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (= 1 |old(~a10~0)|) (< 1 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-11-23 15:45:01,511 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 15:45:01,511 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= 0 (+ ~a1~0 12))) (.cse0 (not (= ~a19~0 10))) (.cse3 (not (= ~a19~0 7))) (.cse2 (<= ~a10~0 1))) (or (and .cse0 (= 2 ~a10~0) .cse1) (< |old(~a1~0)| 23) (< 1 |old(~a10~0)|) (not (= 0 ~a12~0)) (and .cse2 .cse1) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|) (and .cse0 .cse3) (and .cse3 .cse2) (= 1 |old(~a10~0)|) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)))) [2018-11-23 15:45:01,512 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 15:45:01,512 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 15:45:01,512 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 0 (+ ~a1~0 12))) (.cse0 (not (= ~a19~0 10))) (.cse3 (not (= ~a19~0 7))) (.cse2 (<= ~a10~0 1))) (or (and .cse0 (= 2 ~a10~0) .cse1) (< |old(~a1~0)| 23) (< 1 |old(~a10~0)|) (not (= 0 ~a12~0)) (and .cse2 .cse1) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|) (and .cse0 .cse3) (and .cse3 .cse2) (= 1 |old(~a10~0)|) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)))) [2018-11-23 15:45:01,512 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 15:45:01,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:45:01 BoogieIcfgContainer [2018-11-23 15:45:01,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:45:01,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:45:01,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:45:01,528 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:45:01,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:08" (3/4) ... [2018-11-23 15:45:01,531 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:45:01,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:45:01,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 15:45:01,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:45:01,547 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:45:01,547 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:45:01,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(a19 == 10) && 2 == a10) && 0 <= a1 + 12) || \old(a1) < 23) || 1 < \old(a10)) || !(0 == a12)) || (a10 <= 1 && 0 <= a1 + 12)) || 23 < \old(a1)) || 7 == \old(a19)) || (!(a19 == 10) && !(a19 == 7))) || (!(a19 == 7) && a10 <= 1)) || 1 == \old(a10)) || 10 == \old(a19)) || !(14 == a4) [2018-11-23 15:45:01,652 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a12720e-e9ce-4b0a-9367-76af93d3413e/bin-2019/uautomizer/witness.graphml [2018-11-23 15:45:01,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:45:01,653 INFO L168 Benchmark]: Toolchain (without parser) took 54282.95 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 555.2 MB). Free memory was 956.6 MB in the beginning and 873.7 MB in the end (delta: 82.9 MB). Peak memory consumption was 638.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:45:01,653 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:45:01,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:45:01,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:45:01,654 INFO L168 Benchmark]: Boogie Preprocessor took 53.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:45:01,654 INFO L168 Benchmark]: RCFGBuilder took 828.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.8 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:45:01,654 INFO L168 Benchmark]: TraceAbstraction took 52827.60 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 439.9 MB). Free memory was 997.8 MB in the beginning and 888.0 MB in the end (delta: 109.9 MB). Peak memory consumption was 549.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:45:01,654 INFO L168 Benchmark]: Witness Printer took 124.67 ms. Allocated memory is still 1.6 GB. Free memory was 888.0 MB in the beginning and 873.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:45:01,656 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 418.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 828.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.8 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52827.60 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 439.9 MB). Free memory was 997.8 MB in the beginning and 888.0 MB in the end (delta: 109.9 MB). Peak memory consumption was 549.7 MB. Max. memory is 11.5 GB. * Witness Printer took 124.67 ms. Allocated memory is still 1.6 GB. Free memory was 888.0 MB in the beginning and 873.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((!(a19 == 10) && 2 == a10) && 0 <= a1 + 12) || \old(a1) < 23) || 1 < \old(a10)) || !(0 == a12)) || (a10 <= 1 && 0 <= a1 + 12)) || 23 < \old(a1)) || 7 == \old(a19)) || (!(a19 == 10) && !(a19 == 7))) || (!(a19 == 7) && a10 <= 1)) || 1 == \old(a10)) || 10 == \old(a19)) || !(14 == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 52.7s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 30.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 839 SDtfs, 9859 SDslu, 1277 SDs, 0 SdLazy, 16706 SolverSat, 3768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1013 GetRequests, 861 SyntacticMatches, 8 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1977 ImplicationChecksByTransitivity, 35.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9300occurred in iteration=8, 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: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 2202 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 161 PreInvPairs, 257 NumberOfFragments, 332 HoareAnnotationTreeSize, 161 FomulaSimplifications, 32385 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14286 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 2677 NumberOfCodeBlocks, 2677 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2665 ConstructedInterpolants, 6 QuantifiedInterpolants, 3714787 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1348 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 1816/2169 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...