./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label46_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label46_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/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 7a28669cb9b241f33b1fd8e4286127a35464e045 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:00:44,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:00:44,031 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:00:44,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:00:44,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:00:44,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:00:44,040 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:00:44,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:00:44,043 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:00:44,043 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:00:44,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:00:44,044 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:00:44,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:00:44,045 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:00:44,046 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:00:44,047 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:00:44,047 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:00:44,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:00:44,050 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:00:44,051 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:00:44,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:00:44,052 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:00:44,054 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:00:44,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:00:44,054 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:00:44,054 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:00:44,055 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:00:44,056 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:00:44,056 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:00:44,057 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:00:44,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:00:44,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:00:44,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:00:44,058 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:00:44,058 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:00:44,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:00:44,059 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 00:00:44,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:00:44,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:00:44,069 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:00:44,069 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:00:44,070 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:00:44,070 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:00:44,070 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:00:44,070 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:00:44,070 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:00:44,070 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:00:44,070 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:00:44,071 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:00:44,071 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:00:44,071 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:00:44,071 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:00:44,071 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:00:44,071 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:00:44,071 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:00:44,071 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:00:44,072 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:00:44,072 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:00:44,072 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:00:44,072 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:00:44,072 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:00:44,072 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:00:44,072 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:00:44,073 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:00:44,073 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:00:44,073 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:00:44,073 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:00:44,073 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_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/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 -> 7a28669cb9b241f33b1fd8e4286127a35464e045 [2018-11-23 00:00:44,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:00:44,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:00:44,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:00:44,110 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:00:44,110 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:00:44,110 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label46_true-unreach-call_false-termination.c [2018-11-23 00:00:44,155 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/data/75fbe45e5/ac9130106d5841a6a03a0cc33a9ef572/FLAG488073970 [2018-11-23 00:00:44,558 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:00:44,559 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/sv-benchmarks/c/eca-rers2012/Problem01_label46_true-unreach-call_false-termination.c [2018-11-23 00:00:44,568 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/data/75fbe45e5/ac9130106d5841a6a03a0cc33a9ef572/FLAG488073970 [2018-11-23 00:00:44,922 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/data/75fbe45e5/ac9130106d5841a6a03a0cc33a9ef572 [2018-11-23 00:00:44,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:00:44,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:00:44,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:00:44,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:00:44,928 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:00:44,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:00:44" (1/1) ... [2018-11-23 00:00:44,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:44, skipping insertion in model container [2018-11-23 00:00:44,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:00:44" (1/1) ... [2018-11-23 00:00:44,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:00:44,970 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:00:45,202 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:00:45,206 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:00:45,276 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:00:45,288 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:00:45,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45 WrapperNode [2018-11-23 00:00:45,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:00:45,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:00:45,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:00:45,290 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:00:45,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... [2018-11-23 00:00:45,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... [2018-11-23 00:00:45,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:00:45,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:00:45,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:00:45,384 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:00:45,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... [2018-11-23 00:00:45,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... [2018-11-23 00:00:45,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... [2018-11-23 00:00:45,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... [2018-11-23 00:00:45,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... [2018-11-23 00:00:45,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... [2018-11-23 00:00:45,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... [2018-11-23 00:00:45,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:00:45,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:00:45,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:00:45,436 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:00:45,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:00:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:00:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:00:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:00:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 00:00:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 00:00:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:00:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:00:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:00:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:00:46,154 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:00:46,155 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:00:46,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:00:46 BoogieIcfgContainer [2018-11-23 00:00:46,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:00:46,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:00:46,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:00:46,159 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:00:46,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:00:44" (1/3) ... [2018-11-23 00:00:46,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7085de11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:00:46, skipping insertion in model container [2018-11-23 00:00:46,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:45" (2/3) ... [2018-11-23 00:00:46,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7085de11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:00:46, skipping insertion in model container [2018-11-23 00:00:46,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:00:46" (3/3) ... [2018-11-23 00:00:46,162 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label46_true-unreach-call_false-termination.c [2018-11-23 00:00:46,169 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:00:46,175 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:00:46,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:00:46,210 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:00:46,210 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:00:46,211 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:00:46,211 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:00:46,211 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:00:46,211 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:00:46,211 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:00:46,211 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:00:46,211 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:00:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 00:00:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 00:00:46,240 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:46,241 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] [2018-11-23 00:00:46,243 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:46,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:46,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1447421978, now seen corresponding path program 1 times [2018-11-23 00:00:46,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:00:46,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:00:46,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:46,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:46,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:00:46,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:00:46,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:00:46,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:00:46,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:00:46,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:00:46,604 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 00:00:47,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:47,172 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 00:00:47,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:00:47,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-11-23 00:00:47,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:47,184 INFO L225 Difference]: With dead ends: 547 [2018-11-23 00:00:47,184 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 00:00:47,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:00:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 00:00:47,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 00:00:47,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 00:00:47,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 567 transitions. [2018-11-23 00:00:47,237 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 567 transitions. Word has length 118 [2018-11-23 00:00:47,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:47,238 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 567 transitions. [2018-11-23 00:00:47,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:00:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 567 transitions. [2018-11-23 00:00:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 00:00:47,242 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:47,243 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 00:00:47,243 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:47,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:47,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1793818301, now seen corresponding path program 1 times [2018-11-23 00:00:47,244 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:00:47,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:00:47,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:47,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:47,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:47,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:00:47,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:00:47,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:00:47,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:00:47,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:00:47,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:00:47,347 INFO L87 Difference]: Start difference. First operand 338 states and 567 transitions. Second operand 5 states. [2018-11-23 00:00:48,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:48,005 INFO L93 Difference]: Finished difference Result 1071 states and 1880 transitions. [2018-11-23 00:00:48,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:00:48,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-11-23 00:00:48,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:48,010 INFO L225 Difference]: With dead ends: 1071 [2018-11-23 00:00:48,010 INFO L226 Difference]: Without dead ends: 739 [2018-11-23 00:00:48,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:00:48,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-23 00:00:48,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 729. [2018-11-23 00:00:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-23 00:00:48,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1159 transitions. [2018-11-23 00:00:48,045 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1159 transitions. Word has length 127 [2018-11-23 00:00:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:48,046 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1159 transitions. [2018-11-23 00:00:48,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:00:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1159 transitions. [2018-11-23 00:00:48,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 00:00:48,050 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:48,050 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:00:48,050 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:48,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:48,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1554407470, now seen corresponding path program 1 times [2018-11-23 00:00:48,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:00:48,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:00:48,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:48,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:48,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:00:48,139 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:00:48,139 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:00:48,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:48,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:00:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:00:48,321 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:00:48,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 00:00:48,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:00:48,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:00:48,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:00:48,322 INFO L87 Difference]: Start difference. First operand 729 states and 1159 transitions. Second operand 7 states. [2018-11-23 00:00:48,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:48,919 INFO L93 Difference]: Finished difference Result 1746 states and 2878 transitions. [2018-11-23 00:00:48,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:00:48,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2018-11-23 00:00:48,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:48,928 INFO L225 Difference]: With dead ends: 1746 [2018-11-23 00:00:48,928 INFO L226 Difference]: Without dead ends: 1023 [2018-11-23 00:00:48,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:00:48,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2018-11-23 00:00:48,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1009. [2018-11-23 00:00:48,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2018-11-23 00:00:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1648 transitions. [2018-11-23 00:00:48,961 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1648 transitions. Word has length 152 [2018-11-23 00:00:48,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:48,962 INFO L480 AbstractCegarLoop]: Abstraction has 1009 states and 1648 transitions. [2018-11-23 00:00:48,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:00:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1648 transitions. [2018-11-23 00:00:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 00:00:48,965 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:48,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:00:48,965 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:48,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:48,966 INFO L82 PathProgramCache]: Analyzing trace with hash 820217782, now seen corresponding path program 1 times [2018-11-23 00:00:48,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:00:48,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:00:48,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:48,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:48,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:00:49,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:00:49,120 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:00:49,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:49,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:00:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:00:49,269 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:00:49,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 00:00:49,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:00:49,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:00:49,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:00:49,270 INFO L87 Difference]: Start difference. First operand 1009 states and 1648 transitions. Second operand 8 states. [2018-11-23 00:00:50,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:50,895 INFO L93 Difference]: Finished difference Result 2802 states and 4764 transitions. [2018-11-23 00:00:50,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 00:00:50,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2018-11-23 00:00:50,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:50,896 INFO L225 Difference]: With dead ends: 2802 [2018-11-23 00:00:50,897 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:00:50,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-23 00:00:50,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:00:50,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:00:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:00:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:00:50,910 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2018-11-23 00:00:50,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:50,910 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:00:50,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:00:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:00:50,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:00:50,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:00:50,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:00:50,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:00:51,233 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2018-11-23 00:00:51,331 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,332 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,333 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,334 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,335 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,335 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,335 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 00:00:51,335 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 00:00:51,335 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 00:00:51,335 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 00:00:51,335 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 00:00:51,335 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 00:00:51,335 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 00:00:51,336 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 00:00:51,336 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 00:00:51,336 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,336 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,336 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,336 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,336 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,336 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 00:00:51,336 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 00:00:51,337 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 00:00:51,337 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 00:00:51,337 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 00:00:51,337 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 00:00:51,337 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 00:00:51,337 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 00:00:51,337 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 00:00:51,337 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 00:00:51,337 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 00:00:51,338 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 00:00:51,338 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 00:00:51,338 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,338 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,338 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,338 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,338 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,338 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 00:00:51,338 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,339 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,340 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,340 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,340 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,340 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 00:00:51,340 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,340 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 00:00:51,340 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 00:00:51,340 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 00:00:51,340 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 00:00:51,341 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,342 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,342 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,342 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,342 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,342 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 00:00:51,342 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 00:00:51,342 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 00:00:51,342 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 00:00:51,342 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 00:00:51,343 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 00:00:51,343 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 00:00:51,343 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 00:00:51,343 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,343 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,343 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,343 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,343 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,343 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 00:00:51,344 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 00:00:51,344 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 00:00:51,344 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 00:00:51,344 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 00:00:51,344 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 00:00:51,344 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 00:00:51,344 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 00:00:51,344 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 00:00:51,344 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 00:00:51,345 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= |old(~a8~0)| ~a8~0)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|))) (let ((.cse8 (and .cse2 .cse3 .cse5 .cse6)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse0 (= 6 |old(~a16~0)|)) (.cse4 (not (= ~a16~0 6))) (.cse7 (< 0 |old(~a21~0)|))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6)) (or .cse7 .cse8) (or .cse1 .cse8 (= 13 |old(~a8~0)|)) (or .cse1 (not (= 1 |old(~a20~0)|)) (and .cse2 .cse5 .cse6 (= 1 ~a17~0)) (not (= 1 |old(~a17~0)|))) (or .cse0 .cse4 .cse7)))) [2018-11-23 00:00:51,345 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 00:00:51,345 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,345 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,345 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,345 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,345 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 00:00:51,346 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 00:00:51,347 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 00:00:51,347 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 00:00:51,347 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 00:00:51,347 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 512) no Hoare annotation was computed. [2018-11-23 00:00:51,347 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,347 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,347 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,347 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,348 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,348 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 00:00:51,348 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,348 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 00:00:51,348 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 00:00:51,348 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 00:00:51,348 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 00:00:51,348 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 00:00:51,348 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,349 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,350 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,350 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,350 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,350 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:00:51,350 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 00:00:51,350 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 00:00:51,350 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 00:00:51,350 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 00:00:51,351 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 00:00:51,351 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 00:00:51,351 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 00:00:51,351 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 00:00:51,351 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 00:00:51,351 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 00:00:51,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:00:51,351 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-11-23 00:00:51,351 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:00:51,352 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:00:51,352 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (and (= |old(~a8~0)| ~a8~0) (not (= ~a16~0 6)) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a17~0)) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-23 00:00:51,352 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 00:00:51,352 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (<= ~a21~0 0) (and .cse0 (not (= ~a8~0 13))) (= 13 |old(~a8~0)|) (and (not (= ~a16~0 6)) .cse0) (and (= 1 ~a20~0) .cse0 (= 1 ~a17~0)) (not (= 1 |old(~a17~0)|)))) [2018-11-23 00:00:51,352 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 00:00:51,352 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 00:00:51,353 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (<= ~a21~0 0) (and .cse0 (not (= ~a8~0 13))) (= 13 |old(~a8~0)|) (and (not (= ~a16~0 6)) .cse0) (and (= 1 ~a20~0) .cse0 (= 1 ~a17~0)) (not (= 1 |old(~a17~0)|)))) [2018-11-23 00:00:51,353 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 00:00:51,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:00:51 BoogieIcfgContainer [2018-11-23 00:00:51,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:00:51,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:00:51,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:00:51,368 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:00:51,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:00:46" (3/4) ... [2018-11-23 00:00:51,372 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:00:51,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:00:51,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 00:00:51,380 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:00:51,390 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 00:00:51,391 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 00:00:51,422 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((6 == \old(a16) || !(1 == \old(a21))) || !(1 == \old(a20))) || a21 <= 0) || (1 == a21 && !(a8 == 13))) || 13 == \old(a8)) || (!(a16 == 6) && 1 == a21)) || ((1 == a20 && 1 == a21) && 1 == a17)) || !(1 == \old(a17)) [2018-11-23 00:00:51,503 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0f29439f-ec9f-4777-ac89-9b1f2a1cf0a5/bin-2019/uautomizer/witness.graphml [2018-11-23 00:00:51,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:00:51,504 INFO L168 Benchmark]: Toolchain (without parser) took 6579.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.7 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -286.2 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:00:51,504 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:00:51,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.85 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:00:51,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -210.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:00:51,505 INFO L168 Benchmark]: Boogie Preprocessor took 51.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:00:51,505 INFO L168 Benchmark]: RCFGBuilder took 719.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:00:51,506 INFO L168 Benchmark]: TraceAbstraction took 5211.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -252.3 MB). Peak memory consumption was 374.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:00:51,506 INFO L168 Benchmark]: Witness Printer took 135.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:00:51,508 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.85 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -210.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 719.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5211.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -252.3 MB). Peak memory consumption was 374.2 MB. Max. memory is 11.5 GB. * Witness Printer took 135.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 512]: 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) || !(1 == \old(a21))) || !(1 == \old(a20))) || a21 <= 0) || (1 == a21 && !(a8 == 13))) || 13 == \old(a8)) || (!(a16 == 6) && 1 == a21)) || ((1 == a20 && 1 == a21) && 1 == a17)) || !(1 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 5.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 359 SDtfs, 2783 SDslu, 461 SDs, 0 SdLazy, 3750 SolverSat, 973 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 358 GetRequests, 319 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1009occurred in iteration=3, 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, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 42 PreInvPairs, 88 NumberOfFragments, 267 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1556 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 371 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 861 NumberOfCodeBlocks, 861 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 855 ConstructedInterpolants, 0 QuantifiedInterpolants, 278400 SizeOfPredicates, 2 NumberOfNonLiveVariables, 871 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 153/178 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...