./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/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 16d1e07abe3d8baa61b9a8d494202a7664f873bb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:53:25,076 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:53:25,076 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:53:25,082 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:53:25,083 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:53:25,083 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:53:25,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:53:25,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:53:25,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:53:25,086 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:53:25,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:53:25,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:53:25,087 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:53:25,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:53:25,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:53:25,088 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:53:25,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:53:25,089 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:53:25,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:53:25,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:53:25,091 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:53:25,092 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:53:25,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:53:25,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:53:25,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:53:25,093 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:53:25,094 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:53:25,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:53:25,095 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:53:25,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:53:25,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:53:25,096 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:53:25,096 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:53:25,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:53:25,096 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:53:25,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:53:25,097 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 15:53:25,104 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:53:25,104 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:53:25,105 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:53:25,105 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:53:25,105 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:53:25,105 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:53:25,105 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 15:53:25,105 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:53:25,105 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:53:25,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:53:25,106 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:53:25,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:53:25,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:53:25,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:53:25,107 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:53:25,107 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:53:25,107 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:53:25,107 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 15:53:25,107 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:53:25,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:53:25,107 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_8b034b53-e2c5-4177-811d-1ac72e6e29d1/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 -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-12-09 15:53:25,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:53:25,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:53:25,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:53:25,134 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:53:25,134 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:53:25,135 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-12-09 15:53:25,169 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/data/0af825be3/cefc51f6cd564615b7d8d62e8f92db77/FLAG5aafc6d35 [2018-12-09 15:53:25,603 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:53:25,603 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-12-09 15:53:25,609 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/data/0af825be3/cefc51f6cd564615b7d8d62e8f92db77/FLAG5aafc6d35 [2018-12-09 15:53:25,618 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/data/0af825be3/cefc51f6cd564615b7d8d62e8f92db77 [2018-12-09 15:53:25,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:53:25,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:53:25,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:25,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:53:25,623 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:53:25,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:25,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25, skipping insertion in model container [2018-12-09 15:53:25,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:25,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:53:25,652 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:53:25,843 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:25,847 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:53:25,950 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:25,963 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:53:25,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25 WrapperNode [2018-12-09 15:53:25,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:25,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:25,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:53:25,964 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:53:25,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:25,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:25,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:25,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:53:25,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:53:25,990 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:53:25,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:25,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:26,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:26,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:26,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:26,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:26,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... [2018-12-09 15:53:26,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:53:26,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:53:26,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:53:26,036 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:53:26,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/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 [2018-12-09 15:53:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:53:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:53:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 15:53:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 15:53:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:53:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:53:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:53:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:53:26,653 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:53:26,653 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 15:53:26,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:26 BoogieIcfgContainer [2018-12-09 15:53:26,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:53:26,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:53:26,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:53:26,657 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:53:26,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:53:25" (1/3) ... [2018-12-09 15:53:26,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:53:26, skipping insertion in model container [2018-12-09 15:53:26,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:25" (2/3) ... [2018-12-09 15:53:26,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:53:26, skipping insertion in model container [2018-12-09 15:53:26,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:26" (3/3) ... [2018-12-09 15:53:26,660 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-12-09 15:53:26,668 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:53:26,675 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:53:26,687 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:53:26,707 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 15:53:26,707 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:53:26,707 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:53:26,708 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:53:26,708 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:53:26,708 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:53:26,708 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:53:26,708 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:53:26,708 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:53:26,721 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 15:53:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 15:53:26,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:26,728 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, 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] [2018-12-09 15:53:26,730 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:26,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:26,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1920403729, now seen corresponding path program 1 times [2018-12-09 15:53:26,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:53:26,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:53:26,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:26,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:26,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:26,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:26,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:26,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:53:26,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:53:27,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:53:27,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:53:27,002 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 15:53:27,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:27,434 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 15:53:27,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:53:27,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-12-09 15:53:27,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:27,443 INFO L225 Difference]: With dead ends: 547 [2018-12-09 15:53:27,443 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 15:53:27,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:53:27,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 15:53:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 15:53:27,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 15:53:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2018-12-09 15:53:27,482 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 119 [2018-12-09 15:53:27,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:27,482 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2018-12-09 15:53:27,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:53:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2018-12-09 15:53:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 15:53:27,485 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:27,485 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-09 15:53:27,485 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:27,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:27,486 INFO L82 PathProgramCache]: Analyzing trace with hash 10659704, now seen corresponding path program 1 times [2018-12-09 15:53:27,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:53:27,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:53:27,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:27,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:27,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:27,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:27,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:53:27,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:53:27,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:53:27,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:53:27,567 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2018-12-09 15:53:27,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:27,971 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2018-12-09 15:53:27,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:53:27,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-09 15:53:27,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:27,976 INFO L225 Difference]: With dead ends: 840 [2018-12-09 15:53:27,976 INFO L226 Difference]: Without dead ends: 568 [2018-12-09 15:53:27,977 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 [2018-12-09 15:53:27,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-09 15:53:28,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-12-09 15:53:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-12-09 15:53:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2018-12-09 15:53:28,003 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 129 [2018-12-09 15:53:28,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:28,003 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2018-12-09 15:53:28,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:53:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2018-12-09 15:53:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 15:53:28,006 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:28,006 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-09 15:53:28,007 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:28,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:28,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1525536778, now seen corresponding path program 1 times [2018-12-09 15:53:28,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:53:28,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:53:28,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:28,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:28,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:28,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:28,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:53:28,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:53:28,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:53:28,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:53:28,181 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 5 states. [2018-12-09 15:53:28,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:28,508 INFO L93 Difference]: Finished difference Result 1205 states and 1730 transitions. [2018-12-09 15:53:28,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:53:28,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-12-09 15:53:28,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:28,510 INFO L225 Difference]: With dead ends: 1205 [2018-12-09 15:53:28,510 INFO L226 Difference]: Without dead ends: 554 [2018-12-09 15:53:28,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:53:28,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-09 15:53:28,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-12-09 15:53:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-09 15:53:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 712 transitions. [2018-12-09 15:53:28,521 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 712 transitions. Word has length 130 [2018-12-09 15:53:28,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:28,521 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 712 transitions. [2018-12-09 15:53:28,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:53:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 712 transitions. [2018-12-09 15:53:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 15:53:28,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:28,523 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-09 15:53:28,523 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:28,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:28,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1052025540, now seen corresponding path program 1 times [2018-12-09 15:53:28,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:53:28,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:53:28,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:28,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:28,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:28,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:28,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:53:28,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:53:28,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:53:28,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:53:28,678 INFO L87 Difference]: Start difference. First operand 554 states and 712 transitions. Second operand 5 states. [2018-12-09 15:53:29,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:29,024 INFO L93 Difference]: Finished difference Result 1184 states and 1552 transitions. [2018-12-09 15:53:29,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:53:29,024 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-12-09 15:53:29,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:29,027 INFO L225 Difference]: With dead ends: 1184 [2018-12-09 15:53:29,027 INFO L226 Difference]: Without dead ends: 554 [2018-12-09 15:53:29,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:53:29,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-09 15:53:29,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-12-09 15:53:29,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-09 15:53:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 708 transitions. [2018-12-09 15:53:29,042 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 708 transitions. Word has length 131 [2018-12-09 15:53:29,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:29,042 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 708 transitions. [2018-12-09 15:53:29,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:53:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 708 transitions. [2018-12-09 15:53:29,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 15:53:29,044 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:29,044 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-09 15:53:29,044 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:29,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:29,045 INFO L82 PathProgramCache]: Analyzing trace with hash -866015874, now seen corresponding path program 1 times [2018-12-09 15:53:29,045 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:53:29,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:53:29,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:29,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:29,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:29,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:29,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:53:29,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:53:29,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:53:29,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:53:29,097 INFO L87 Difference]: Start difference. First operand 554 states and 708 transitions. Second operand 3 states. [2018-12-09 15:53:29,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:29,343 INFO L93 Difference]: Finished difference Result 1509 states and 1954 transitions. [2018-12-09 15:53:29,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:53:29,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-12-09 15:53:29,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:29,345 INFO L225 Difference]: With dead ends: 1509 [2018-12-09 15:53:29,345 INFO L226 Difference]: Without dead ends: 961 [2018-12-09 15:53:29,346 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:53:29,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2018-12-09 15:53:29,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 959. [2018-12-09 15:53:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2018-12-09 15:53:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1180 transitions. [2018-12-09 15:53:29,360 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1180 transitions. Word has length 134 [2018-12-09 15:53:29,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:29,361 INFO L480 AbstractCegarLoop]: Abstraction has 959 states and 1180 transitions. [2018-12-09 15:53:29,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:53:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1180 transitions. [2018-12-09 15:53:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 15:53:29,363 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:29,363 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:53:29,363 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:29,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:29,363 INFO L82 PathProgramCache]: Analyzing trace with hash -494413009, now seen corresponding path program 1 times [2018-12-09 15:53:29,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:53:29,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:53:29,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:29,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:29,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:29,421 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:53:29,421 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/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 [2018-12-09 15:53:29,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:29,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:53:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 15:53:29,544 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 15:53:29,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-12-09 15:53:29,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 15:53:29,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 15:53:29,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:53:29,545 INFO L87 Difference]: Start difference. First operand 959 states and 1180 transitions. Second operand 8 states. [2018-12-09 15:53:30,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:30,559 INFO L93 Difference]: Finished difference Result 2965 states and 3999 transitions. [2018-12-09 15:53:30,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 15:53:30,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2018-12-09 15:53:30,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:30,568 INFO L225 Difference]: With dead ends: 2965 [2018-12-09 15:53:30,568 INFO L226 Difference]: Without dead ends: 2012 [2018-12-09 15:53:30,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-12-09 15:53:30,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2018-12-09 15:53:30,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1275. [2018-12-09 15:53:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2018-12-09 15:53:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1568 transitions. [2018-12-09 15:53:30,615 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1568 transitions. Word has length 165 [2018-12-09 15:53:30,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:30,616 INFO L480 AbstractCegarLoop]: Abstraction has 1275 states and 1568 transitions. [2018-12-09 15:53:30,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 15:53:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1568 transitions. [2018-12-09 15:53:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 15:53:30,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:30,620 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-09 15:53:30,620 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:30,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:30,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1777312675, now seen corresponding path program 1 times [2018-12-09 15:53:30,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:53:30,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:53:30,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:30,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:30,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:30,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:53:30,701 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/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 [2018-12-09 15:53:30,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:30,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:53:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:53:30,819 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 15:53:30,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-12-09 15:53:30,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 15:53:30,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 15:53:30,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:53:30,820 INFO L87 Difference]: Start difference. First operand 1275 states and 1568 transitions. Second operand 8 states. [2018-12-09 15:53:31,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:31,481 INFO L93 Difference]: Finished difference Result 4276 states and 5530 transitions. [2018-12-09 15:53:31,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 15:53:31,482 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2018-12-09 15:53:31,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:31,493 INFO L225 Difference]: With dead ends: 4276 [2018-12-09 15:53:31,493 INFO L226 Difference]: Without dead ends: 3007 [2018-12-09 15:53:31,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2018-12-09 15:53:31,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2018-12-09 15:53:31,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 2558. [2018-12-09 15:53:31,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2558 states. [2018-12-09 15:53:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3124 transitions. [2018-12-09 15:53:31,544 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3124 transitions. Word has length 185 [2018-12-09 15:53:31,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:31,544 INFO L480 AbstractCegarLoop]: Abstraction has 2558 states and 3124 transitions. [2018-12-09 15:53:31,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 15:53:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3124 transitions. [2018-12-09 15:53:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 15:53:31,548 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:31,548 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 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] [2018-12-09 15:53:31,548 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:31,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:31,549 INFO L82 PathProgramCache]: Analyzing trace with hash -168440494, now seen corresponding path program 1 times [2018-12-09 15:53:31,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:53:31,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:53:31,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:31,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:31,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 139 proven. 69 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 15:53:31,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:53:31,671 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/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 [2018-12-09 15:53:31,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:31,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:53:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-09 15:53:31,803 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 15:53:31,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2018-12-09 15:53:31,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 15:53:31,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 15:53:31,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 15:53:31,805 INFO L87 Difference]: Start difference. First operand 2558 states and 3124 transitions. Second operand 11 states. [2018-12-09 15:53:32,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:32,599 INFO L93 Difference]: Finished difference Result 4159 states and 5077 transitions. [2018-12-09 15:53:32,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 15:53:32,600 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2018-12-09 15:53:32,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:32,600 INFO L225 Difference]: With dead ends: 4159 [2018-12-09 15:53:32,600 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:53:32,604 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2018-12-09 15:53:32,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:53:32,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:53:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:53:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:53:32,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2018-12-09 15:53:32,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:32,604 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:53:32,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 15:53:32,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:53:32,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:53:32,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:53:32,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:32,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:53:33,096 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2018-12-09 15:53:33,279 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2018-12-09 15:53:33,403 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:53:33,405 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,405 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 15:53:33,406 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 15:53:33,407 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,408 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 15:53:33,409 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 15:53:33,410 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse24 (= 1 |old(~a7~0)|)) (.cse13 (= 1 ~a7~0)) (.cse6 (not (= ~a8~0 13))) (.cse0 (= 13 |old(~a8~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a21~0 |old(~a21~0)|)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse5 (= ~a20~0 |old(~a20~0)|))) (let ((.cse9 (= 6 |old(~a16~0)|)) (.cse8 (< 0 |old(~a7~0)|)) (.cse12 (and .cse1 .cse2 .cse3 .cse4 .cse5)) (.cse16 (not (= 1 |old(~a21~0)|))) (.cse17 (not (= 4 |old(~a16~0)|))) (.cse18 (= 1 ~a20~0)) (.cse19 (= 13 ~a8~0)) (.cse20 (= 1 ~a21~0)) (.cse21 (= 1 ~a17~0)) (.cse22 (not .cse0)) (.cse23 (not (= 1 |old(~a17~0)|))) (.cse15 (not (= 1 |old(~a20~0)|))) (.cse7 (not (= 8 ~a12~0))) (.cse11 (and .cse13 .cse2 .cse3 .cse4 .cse5 .cse6)) (.cse10 (not .cse24))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 .cse0 .cse7 .cse10 .cse11) (or .cse12 (or .cse9 .cse7 .cse8)) (or (and .cse13 (and .cse2 .cse3 .cse4) .cse5) .cse10 (let ((.cse14 (< 0 |old(~a21~0)|))) (and (or .cse9 .cse7 .cse14) (or .cse15 .cse7 .cse14)))) (or (or .cse8 (or .cse15 .cse7)) .cse12) (or .cse16 .cse15 .cse17 (and .cse13 .cse18 .cse19 .cse4 .cse20 .cse21) .cse7 .cse10 .cse22 .cse23) (or .cse16 .cse24 .cse15 .cse17 .cse7 (and (not (= ~a7~0 1)) .cse18 .cse19 .cse4 .cse20 .cse21) .cse22 .cse23) (or (or .cse15 .cse0 .cse7) .cse11 .cse10)))) [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,411 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,412 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 15:53:33,413 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-12-09 15:53:33,414 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 13)) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 8 ~a12~0)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (not (= ~a16~0 6))) (.cse1 (<= ~a7~0 0)) (.cse2 (= 1 ~a7~0)) (.cse4 (= 1 ~a20~0)) (.cse0 (not (= ~a8~0 13)))) (or (= 6 |old(~a16~0)|) (and .cse0 .cse1) (and .cse2 (let ((.cse3 (<= ~a21~0 0))) (or (and .cse3 .cse4) (and .cse3 .cse5)))) (and .cse4 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (= 13 |old(~a8~0)|) (and .cse4 .cse1) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse5 .cse0) (and .cse5 .cse1) (and .cse2 .cse4 .cse0) (< 0 |old(~a7~0)|))) [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 15:53:33,414 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (not (= ~a16~0 6))) (.cse1 (<= ~a7~0 0)) (.cse2 (= 1 ~a7~0)) (.cse4 (= 1 ~a20~0)) (.cse0 (not (= ~a8~0 13)))) (or (= 6 |old(~a16~0)|) (and .cse0 .cse1) (and .cse2 (let ((.cse3 (<= ~a21~0 0))) (or (and .cse3 .cse4) (and .cse3 .cse5)))) (and .cse4 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (= 13 |old(~a8~0)|) (and .cse4 .cse1) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse5 .cse0) (and .cse5 .cse1) (and .cse2 .cse4 .cse0) (< 0 |old(~a7~0)|))) [2018-12-09 15:53:33,414 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 15:53:33,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:53:33 BoogieIcfgContainer [2018-12-09 15:53:33,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:53:33,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:53:33,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:53:33,424 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:53:33,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:26" (3/4) ... [2018-12-09 15:53:33,427 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:53:33,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:53:33,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 15:53:33,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:53:33,438 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 15:53:33,438 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 15:53:33,456 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((6 == \old(a16) || (!(a8 == 13) && a7 <= 0)) || (1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6))))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || 13 == \old(a8)) || (1 == a20 && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a17))) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || ((1 == a7 && 1 == a20) && !(a8 == 13))) || 0 < \old(a7) [2018-12-09 15:53:33,512 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8b034b53-e2c5-4177-811d-1ac72e6e29d1/bin-2019/uautomizer/witness.graphml [2018-12-09 15:53:33,512 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:53:33,513 INFO L168 Benchmark]: Toolchain (without parser) took 7892.61 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 361.2 MB). Free memory was 951.7 MB in the beginning and 1.3 GB in the end (delta: -320.4 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:33,513 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:53:33,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:33,513 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:53:33,513 INFO L168 Benchmark]: Boogie Preprocessor took 46.00 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:33,514 INFO L168 Benchmark]: RCFGBuilder took 617.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 976.9 MB in the end (delta: 111.0 MB). Peak memory consumption was 111.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:33,514 INFO L168 Benchmark]: TraceAbstraction took 6769.66 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 247.5 MB). Free memory was 976.9 MB in the beginning and 1.3 GB in the end (delta: -306.9 MB). Peak memory consumption was 474.6 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:33,514 INFO L168 Benchmark]: Witness Printer took 87.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:33,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.00 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 617.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 976.9 MB in the end (delta: 111.0 MB). Peak memory consumption was 111.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6769.66 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 247.5 MB). Free memory was 976.9 MB in the beginning and 1.3 GB in the end (delta: -306.9 MB). Peak memory consumption was 474.6 MB. Max. memory is 11.5 GB. * Witness Printer took 87.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((6 == \old(a16) || (!(a8 == 13) && a7 <= 0)) || (1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6))))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || 13 == \old(a8)) || (1 == a20 && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a17))) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || ((1 == a7 && 1 == a20) && !(a8 == 13))) || 0 < \old(a7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 257 SDtfs, 4351 SDslu, 400 SDs, 0 SdLazy, 5878 SolverSat, 1030 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 625 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2558occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 1200 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 115 NumberOfFragments, 600 HoareAnnotationTreeSize, 75 FomulaSimplifications, 5807 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1182 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1821 NumberOfCodeBlocks, 1821 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1810 ConstructedInterpolants, 0 QuantifiedInterpolants, 1220905 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1594 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 606/762 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...