./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/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 1ca819190f643deb29414a088c4aa6e4cb582023 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:19:36,805 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:19:36,806 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:19:36,814 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:19:36,814 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:19:36,815 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:19:36,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:19:36,816 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:19:36,817 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:19:36,818 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:19:36,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:19:36,819 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:19:36,820 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:19:36,820 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:19:36,821 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:19:36,822 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:19:36,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:19:36,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:19:36,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:19:36,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:19:36,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:19:36,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:19:36,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:19:36,828 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:19:36,829 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:19:36,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:19:36,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:19:36,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:19:36,830 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:19:36,831 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:19:36,831 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:19:36,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:19:36,832 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:19:36,832 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:19:36,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:19:36,833 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:19:36,833 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:19:36,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:19:36,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:19:36,841 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:19:36,841 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:19:36,842 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:19:36,842 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:19:36,842 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:19:36,842 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:19:36,843 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:19:36,843 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:19:36,843 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:19:36,843 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:19:36,843 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:19:36,843 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:19:36,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:19:36,844 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:19:36,844 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:19:36,844 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:19:36,844 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:19:36,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:19:36,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:19:36,845 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:19:36,845 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:19:36,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:19:36,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:19:36,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:19:36,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:19:36,845 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:19:36,846 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:19:36,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:19:36,846 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_457beda7-9e95-4cd4-965a-e937bd1f81cf/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 -> 1ca819190f643deb29414a088c4aa6e4cb582023 [2018-11-28 13:19:36,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:19:36,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:19:36,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:19:36,883 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:19:36,884 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:19:36,884 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-11-28 13:19:36,928 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/data/374b36fa0/a8539ae9bd6a40169288da8e8e15c3bf/FLAG9b4d9c306 [2018-11-28 13:19:37,400 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:19:37,400 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-11-28 13:19:37,408 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/data/374b36fa0/a8539ae9bd6a40169288da8e8e15c3bf/FLAG9b4d9c306 [2018-11-28 13:19:37,906 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/data/374b36fa0/a8539ae9bd6a40169288da8e8e15c3bf [2018-11-28 13:19:37,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:19:37,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:19:37,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:19:37,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:19:37,911 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:19:37,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:19:37" (1/1) ... [2018-11-28 13:19:37,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e63e29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:37, skipping insertion in model container [2018-11-28 13:19:37,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:19:37" (1/1) ... [2018-11-28 13:19:37,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:19:37,949 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:19:38,175 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:19:38,179 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:19:38,309 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:19:38,320 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:19:38,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38 WrapperNode [2018-11-28 13:19:38,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:19:38,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:19:38,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:19:38,321 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:19:38,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... [2018-11-28 13:19:38,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... [2018-11-28 13:19:38,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:19:38,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:19:38,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:19:38,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:19:38,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... [2018-11-28 13:19:38,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... [2018-11-28 13:19:38,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... [2018-11-28 13:19:38,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... [2018-11-28 13:19:38,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... [2018-11-28 13:19:38,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... [2018-11-28 13:19:38,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... [2018-11-28 13:19:38,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:19:38,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:19:38,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:19:38,403 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:19:38,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/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 [2018-11-28 13:19:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:19:38,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:19:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 13:19:38,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 13:19:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:19:38,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:19:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:19:38,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:19:39,315 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:19:39,315 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 13:19:39,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:39 BoogieIcfgContainer [2018-11-28 13:19:39,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:19:39,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:19:39,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:19:39,321 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:19:39,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:19:37" (1/3) ... [2018-11-28 13:19:39,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3d0b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:19:39, skipping insertion in model container [2018-11-28 13:19:39,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:38" (2/3) ... [2018-11-28 13:19:39,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3d0b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:19:39, skipping insertion in model container [2018-11-28 13:19:39,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:39" (3/3) ... [2018-11-28 13:19:39,324 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label07_true-unreach-call_false-termination.c [2018-11-28 13:19:39,332 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:19:39,338 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:19:39,350 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:19:39,376 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:19:39,377 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:19:39,377 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:19:39,377 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:19:39,377 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:19:39,377 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:19:39,378 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:19:39,378 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:19:39,378 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:19:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 13:19:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-28 13:19:39,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:39,404 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] [2018-11-28 13:19:39,406 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:19:39,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:39,411 INFO L82 PathProgramCache]: Analyzing trace with hash -897711290, now seen corresponding path program 1 times [2018-11-28 13:19:39,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:39,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:39,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:39,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:39,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:39,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:39,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:39,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:19:39,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:19:39,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:19:39,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:19:39,771 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 13:19:40,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:40,316 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 13:19:40,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:19:40,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2018-11-28 13:19:40,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:40,325 INFO L225 Difference]: With dead ends: 547 [2018-11-28 13:19:40,325 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 13:19:40,328 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 [2018-11-28 13:19:40,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 13:19:40,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 13:19:40,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 13:19:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2018-11-28 13:19:40,365 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 110 [2018-11-28 13:19:40,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:40,366 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2018-11-28 13:19:40,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:19:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2018-11-28 13:19:40,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-28 13:19:40,368 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:40,369 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] [2018-11-28 13:19:40,369 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:19:40,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:40,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1715018595, now seen corresponding path program 1 times [2018-11-28 13:19:40,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:40,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:40,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:40,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:40,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:40,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:40,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:19:40,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:19:40,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:19:40,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:19:40,466 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2018-11-28 13:19:40,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:40,883 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2018-11-28 13:19:40,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:19:40,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-11-28 13:19:40,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:40,887 INFO L225 Difference]: With dead ends: 840 [2018-11-28 13:19:40,887 INFO L226 Difference]: Without dead ends: 568 [2018-11-28 13:19:40,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:19:40,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-11-28 13:19:40,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-11-28 13:19:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-11-28 13:19:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 784 transitions. [2018-11-28 13:19:40,916 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 784 transitions. Word has length 120 [2018-11-28 13:19:40,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:40,917 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 784 transitions. [2018-11-28 13:19:40,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:19:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 784 transitions. [2018-11-28 13:19:40,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-28 13:19:40,920 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:40,920 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] [2018-11-28 13:19:40,920 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:19:40,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:40,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1875176562, now seen corresponding path program 1 times [2018-11-28 13:19:40,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:40,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:40,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:40,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:40,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:41,026 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:19:41,026 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/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 [2018-11-28 13:19:41,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:41,110 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 13:19:41,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:19:41,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-28 13:19:41,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:19:41,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:19:41,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:19:41,190 INFO L87 Difference]: Start difference. First operand 556 states and 784 transitions. Second operand 7 states. [2018-11-28 13:19:42,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:42,112 INFO L93 Difference]: Finished difference Result 1964 states and 2913 transitions. [2018-11-28 13:19:42,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 13:19:42,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2018-11-28 13:19:42,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:42,120 INFO L225 Difference]: With dead ends: 1964 [2018-11-28 13:19:42,121 INFO L226 Difference]: Without dead ends: 1414 [2018-11-28 13:19:42,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-28 13:19:42,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2018-11-28 13:19:42,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1120. [2018-11-28 13:19:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2018-11-28 13:19:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1499 transitions. [2018-11-28 13:19:42,161 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1499 transitions. Word has length 144 [2018-11-28 13:19:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:42,161 INFO L480 AbstractCegarLoop]: Abstraction has 1120 states and 1499 transitions. [2018-11-28 13:19:42,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:19:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1499 transitions. [2018-11-28 13:19:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-28 13:19:42,164 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:42,165 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, 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] [2018-11-28 13:19:42,165 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:19:42,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:42,165 INFO L82 PathProgramCache]: Analyzing trace with hash 625293810, now seen corresponding path program 1 times [2018-11-28 13:19:42,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:42,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:42,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:42,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:42,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 24 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 13:19:42,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:19:42,294 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/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 [2018-11-28 13:19:42,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:42,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 13:19:42,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:19:42,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-28 13:19:42,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:19:42,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:19:42,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:42,437 INFO L87 Difference]: Start difference. First operand 1120 states and 1499 transitions. Second operand 5 states. [2018-11-28 13:19:43,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:43,025 INFO L93 Difference]: Finished difference Result 4351 states and 6087 transitions. [2018-11-28 13:19:43,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:19:43,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2018-11-28 13:19:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:43,026 INFO L225 Difference]: With dead ends: 4351 [2018-11-28 13:19:43,026 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:19:43,031 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:19:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:19:43,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:19:43,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:19:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:19:43,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 197 [2018-11-28 13:19:43,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:43,032 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:19:43,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:19:43,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:19:43,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:19:43,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:19:43,297 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2018-11-28 13:19:43,383 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:19:43,383 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-28 13:19:43,383 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:19:43,383 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 13:19:43,383 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 13:19:43,384 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 13:19:43,385 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 13:19:43,386 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 13:19:43,387 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 13:19:43,388 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,389 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 13:19:43,390 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 13:19:43,391 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,392 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 13:19:43,393 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 13:19:43,394 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 13:19:43,395 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 13:19:43,395 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 13:19:43,395 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= 6 |old(~a16~0)|)) (.cse3 (< 0 |old(~a7~0)|)) (.cse2 (<= ~a7~0 0)) (.cse8 (not (= 1 |old(~a20~0)|))) (.cse9 (<= ~a17~0 0)) (.cse10 (< 0 |old(~a17~0)|)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (= 13 |old(~a8~0)|)) (.cse5 (= |old(~a16~0)| ~a16~0)) (.cse6 (= ~a20~0 |old(~a20~0)|)) (.cse7 (= ~a21~0 |old(~a21~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 .cse7)) (or .cse0 (and .cse5 .cse6 .cse7 .cse2) .cse8 .cse3) (or .cse9 .cse4 .cse0 .cse10) (or (or .cse4 .cse0) .cse3 .cse2) (or (and .cse5 .cse9 .cse6 .cse7) .cse8 .cse10) (or .cse0 .cse9 .cse1 .cse10) (or .cse0 .cse1 (and .cse5 .cse6 .cse7 (not (= ~a8~0 13)))))) [2018-11-28 13:19:43,395 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 13:19:43,395 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,395 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,395 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,395 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,395 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 13:19:43,395 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 13:19:43,396 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 13:19:43,397 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,398 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 13:19:43,399 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:19:43,400 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) (<= ~a7~0 0) (not (= ~a8~0 13))) [2018-11-28 13:19:43,400 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:19:43,400 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:19:43,400 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)|)) (= 13 |old(~a8~0)|) (< 0 |old(~a7~0)|) (and (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a7~0 0) (not (= ~a8~0 13)))) [2018-11-28 13:19:43,400 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 13:19:43,400 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse0 (not (= ~a8~0 13))) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (< 0 |old(~a7~0)|) (and .cse1 (<= ~a17~0 0)) (and .cse1 .cse0 (<= ~a7~0 0)))) [2018-11-28 13:19:43,400 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 13:19:43,400 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 13:19:43,401 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse0 (not (= ~a8~0 13))) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (< 0 |old(~a7~0)|) (and .cse1 (<= ~a17~0 0)) (and .cse1 .cse0 (<= ~a7~0 0)))) [2018-11-28 13:19:43,401 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 13:19:43,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:19:43 BoogieIcfgContainer [2018-11-28 13:19:43,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:19:43,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:19:43,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:19:43,414 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:19:43,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:39" (3/4) ... [2018-11-28 13:19:43,418 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:19:43,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:19:43,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 13:19:43,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:19:43,433 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 13:19:43,433 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 13:19:43,454 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((6 == \old(a16) || !(1 == \old(a21))) || !(1 == \old(a20))) || (1 == a21 && !(a8 == 13))) || 13 == \old(a8)) || !(a16 == 6)) || 0 < \old(a7)) || (1 == a20 && a17 <= 0)) || ((1 == a20 && 1 == a21) && a7 <= 0) [2018-11-28 13:19:43,520 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_457beda7-9e95-4cd4-965a-e937bd1f81cf/bin-2019/uautomizer/witness.graphml [2018-11-28 13:19:43,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:19:43,521 INFO L168 Benchmark]: Toolchain (without parser) took 5612.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 244.8 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -236.0 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:43,521 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:19:43,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:43,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.34 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:43,522 INFO L168 Benchmark]: Boogie Preprocessor took 55.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:43,522 INFO L168 Benchmark]: RCFGBuilder took 913.44 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: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:43,523 INFO L168 Benchmark]: TraceAbstraction took 4097.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 106.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -182.1 MB). Peak memory consumption was 206.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:43,523 INFO L168 Benchmark]: Witness Printer took 106.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:43,525 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.34 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 913.44 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: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4097.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 106.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -182.1 MB). Peak memory consumption was 206.8 MB. Max. memory is 11.5 GB. * Witness Printer took 106.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 488]: 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))) || (1 == a21 && !(a8 == 13))) || 13 == \old(a8)) || !(a16 == 6)) || 0 < \old(a7)) || (1 == a20 && a17 <= 0)) || ((1 == a20 && 1 == a21) && a7 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 146 SDtfs, 1624 SDslu, 178 SDs, 0 SdLazy, 2835 SolverSat, 647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 360 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1120occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 306 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 120 NumberOfFragments, 307 HoareAnnotationTreeSize, 54 FomulaSimplifications, 3152 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 811 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 912 NumberOfCodeBlocks, 912 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 341538 SizeOfPredicates, 4 NumberOfNonLiveVariables, 913 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 207/277 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...