./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16d1e07abe3d8baa61b9a8d494202a7664f873bb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 00:28:56,799 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 00:28:56,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 00:28:56,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 00:28:56,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 00:28:56,808 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 00:28:56,809 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 00:28:56,810 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 00:28:56,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 00:28:56,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 00:28:56,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 00:28:56,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 00:28:56,813 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 00:28:56,814 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 00:28:56,815 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 00:28:56,815 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 00:28:56,816 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 00:28:56,817 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 00:28:56,818 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 00:28:56,819 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 00:28:56,820 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 00:28:56,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 00:28:56,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 00:28:56,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 00:28:56,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 00:28:56,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 00:28:56,824 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 00:28:56,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 00:28:56,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 00:28:56,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 00:28:56,827 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 00:28:56,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 00:28:56,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 00:28:56,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 00:28:56,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 00:28:56,828 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 00:28:56,829 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 00:28:56,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 00:28:56,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 00:28:56,839 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 00:28:56,840 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 00:28:56,840 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 00:28:56,840 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 00:28:56,840 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 00:28:56,840 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 00:28:56,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 00:28:56,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 00:28:56,841 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 00:28:56,841 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 00:28:56,841 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 00:28:56,841 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 00:28:56,841 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 00:28:56,841 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 00:28:56,841 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 00:28:56,842 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 00:28:56,842 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 00:28:56,842 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 00:28:56,842 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 00:28:56,842 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 00:28:56,842 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 00:28:56,842 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 00:28:56,843 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 00:28:56,843 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 00:28:56,843 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 00:28:56,843 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 00:28:56,843 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 00:28:56,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 00:28:56,843 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_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-12-02 00:28:56,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 00:28:56,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 00:28:56,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 00:28:56,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 00:28:56,876 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 00:28:56,876 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-12-02 00:28:56,915 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/data/146088bb1/aaf1d2cfdfe14930a071829e6091e958/FLAG5063bd68f [2018-12-02 00:28:57,353 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 00:28:57,354 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-12-02 00:28:57,362 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/data/146088bb1/aaf1d2cfdfe14930a071829e6091e958/FLAG5063bd68f [2018-12-02 00:28:57,373 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/data/146088bb1/aaf1d2cfdfe14930a071829e6091e958 [2018-12-02 00:28:57,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 00:28:57,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 00:28:57,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 00:28:57,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 00:28:57,379 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 00:28:57,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57, skipping insertion in model container [2018-12-02 00:28:57,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 00:28:57,409 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 00:28:57,585 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:28:57,588 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 00:28:57,675 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:28:57,684 INFO L195 MainTranslator]: Completed translation [2018-12-02 00:28:57,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57 WrapperNode [2018-12-02 00:28:57,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 00:28:57,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 00:28:57,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 00:28:57,685 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 00:28:57,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 00:28:57,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 00:28:57,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 00:28:57,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 00:28:57,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... [2018-12-02 00:28:57,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 00:28:57,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 00:28:57,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 00:28:57,744 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 00:28:57,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 00:28:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 00:28:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 00:28:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 00:28:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 00:28:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 00:28:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 00:28:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 00:28:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 00:28:58,363 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 00:28:58,364 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 00:28:58,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:58 BoogieIcfgContainer [2018-12-02 00:28:58,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 00:28:58,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 00:28:58,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 00:28:58,367 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 00:28:58,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:28:57" (1/3) ... [2018-12-02 00:28:58,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:58, skipping insertion in model container [2018-12-02 00:28:58,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:57" (2/3) ... [2018-12-02 00:28:58,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:58, skipping insertion in model container [2018-12-02 00:28:58,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:58" (3/3) ... [2018-12-02 00:28:58,369 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-12-02 00:28:58,375 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 00:28:58,380 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 00:28:58,390 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 00:28:58,408 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 00:28:58,409 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 00:28:58,409 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 00:28:58,409 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 00:28:58,409 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 00:28:58,409 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 00:28:58,409 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 00:28:58,409 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 00:28:58,409 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 00:28:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 00:28:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 00:28:58,429 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:28:58,430 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:28:58,431 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 00:28:58,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:28:58,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1920403729, now seen corresponding path program 1 times [2018-12-02 00:28:58,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:28:58,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:28:58,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:28:58,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:28:58,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:28:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:58,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:28:58,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 00:28:58,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 00:28:58,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 00:28:58,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 00:28:58,707 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 00:28:59,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:28:59,088 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 00:28:59,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 00:28:59,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-12-02 00:28:59,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:28:59,097 INFO L225 Difference]: With dead ends: 547 [2018-12-02 00:28:59,097 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 00:28:59,100 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 00:28:59,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 00:28:59,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 00:28:59,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 00:28:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2018-12-02 00:28:59,136 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 119 [2018-12-02 00:28:59,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:28:59,136 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2018-12-02 00:28:59,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 00:28:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2018-12-02 00:28:59,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 00:28:59,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:28:59,140 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:28:59,140 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 00:28:59,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:28:59,140 INFO L82 PathProgramCache]: Analyzing trace with hash 10659704, now seen corresponding path program 1 times [2018-12-02 00:28:59,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:28:59,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:28:59,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:28:59,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:28:59,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:28:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:59,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:28:59,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 00:28:59,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 00:28:59,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 00:28:59,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 00:28:59,226 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2018-12-02 00:28:59,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:28:59,643 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2018-12-02 00:28:59,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 00:28:59,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-02 00:28:59,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:28:59,648 INFO L225 Difference]: With dead ends: 840 [2018-12-02 00:28:59,648 INFO L226 Difference]: Without dead ends: 568 [2018-12-02 00:28:59,650 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 00:28:59,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-02 00:28:59,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-12-02 00:28:59,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-12-02 00:28:59,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2018-12-02 00:28:59,676 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 129 [2018-12-02 00:28:59,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:28:59,677 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2018-12-02 00:28:59,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 00:28:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2018-12-02 00:28:59,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 00:28:59,680 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:28:59,680 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:28:59,681 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 00:28:59,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:28:59,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1525536778, now seen corresponding path program 1 times [2018-12-02 00:28:59,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:28:59,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:28:59,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:28:59,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:28:59,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:28:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:59,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:28:59,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 00:28:59,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:28:59,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:28:59,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:28:59,841 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 5 states. [2018-12-02 00:29:00,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:29:00,182 INFO L93 Difference]: Finished difference Result 1205 states and 1730 transitions. [2018-12-02 00:29:00,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 00:29:00,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-12-02 00:29:00,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:29:00,185 INFO L225 Difference]: With dead ends: 1205 [2018-12-02 00:29:00,185 INFO L226 Difference]: Without dead ends: 554 [2018-12-02 00:29:00,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:29:00,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-02 00:29:00,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-12-02 00:29:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-02 00:29:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 712 transitions. [2018-12-02 00:29:00,197 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 712 transitions. Word has length 130 [2018-12-02 00:29:00,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:29:00,197 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 712 transitions. [2018-12-02 00:29:00,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:29:00,197 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 712 transitions. [2018-12-02 00:29:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 00:29:00,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:29:00,199 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:29:00,199 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 00:29:00,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:29:00,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1052025540, now seen corresponding path program 1 times [2018-12-02 00:29:00,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:29:00,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:29:00,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:00,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:29:00,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:29:00,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:29:00,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 00:29:00,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:29:00,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:29:00,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:29:00,362 INFO L87 Difference]: Start difference. First operand 554 states and 712 transitions. Second operand 5 states. [2018-12-02 00:29:00,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:29:00,650 INFO L93 Difference]: Finished difference Result 1184 states and 1552 transitions. [2018-12-02 00:29:00,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 00:29:00,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-12-02 00:29:00,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:29:00,653 INFO L225 Difference]: With dead ends: 1184 [2018-12-02 00:29:00,653 INFO L226 Difference]: Without dead ends: 554 [2018-12-02 00:29:00,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:29:00,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-02 00:29:00,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-12-02 00:29:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-02 00:29:00,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 708 transitions. [2018-12-02 00:29:00,670 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 708 transitions. Word has length 131 [2018-12-02 00:29:00,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:29:00,671 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 708 transitions. [2018-12-02 00:29:00,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:29:00,671 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 708 transitions. [2018-12-02 00:29:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 00:29:00,672 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:29:00,673 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:29:00,673 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 00:29:00,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:29:00,673 INFO L82 PathProgramCache]: Analyzing trace with hash -866015874, now seen corresponding path program 1 times [2018-12-02 00:29:00,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:29:00,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:29:00,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:00,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:29:00,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:29:00,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:29:00,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 00:29:00,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 00:29:00,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 00:29:00,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 00:29:00,740 INFO L87 Difference]: Start difference. First operand 554 states and 708 transitions. Second operand 3 states. [2018-12-02 00:29:01,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:29:01,008 INFO L93 Difference]: Finished difference Result 1509 states and 1954 transitions. [2018-12-02 00:29:01,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 00:29:01,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-12-02 00:29:01,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:29:01,012 INFO L225 Difference]: With dead ends: 1509 [2018-12-02 00:29:01,012 INFO L226 Difference]: Without dead ends: 961 [2018-12-02 00:29:01,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 00:29:01,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2018-12-02 00:29:01,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 959. [2018-12-02 00:29:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2018-12-02 00:29:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1180 transitions. [2018-12-02 00:29:01,035 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1180 transitions. Word has length 134 [2018-12-02 00:29:01,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:29:01,035 INFO L480 AbstractCegarLoop]: Abstraction has 959 states and 1180 transitions. [2018-12-02 00:29:01,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 00:29:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1180 transitions. [2018-12-02 00:29:01,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 00:29:01,038 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:29:01,038 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:29:01,038 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 00:29:01,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:29:01,039 INFO L82 PathProgramCache]: Analyzing trace with hash -494413009, now seen corresponding path program 1 times [2018-12-02 00:29:01,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:29:01,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:29:01,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:01,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:29:01,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:29:01,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 00:29:01,114 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 00:29:01,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:29:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:01,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:29:01,232 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 00:29:01,247 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 00:29:01,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-12-02 00:29:01,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 00:29:01,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 00:29:01,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 00:29:01,248 INFO L87 Difference]: Start difference. First operand 959 states and 1180 transitions. Second operand 8 states. [2018-12-02 00:29:02,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:29:02,259 INFO L93 Difference]: Finished difference Result 2965 states and 3999 transitions. [2018-12-02 00:29:02,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 00:29:02,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2018-12-02 00:29:02,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:29:02,269 INFO L225 Difference]: With dead ends: 2965 [2018-12-02 00:29:02,269 INFO L226 Difference]: Without dead ends: 2012 [2018-12-02 00:29:02,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-12-02 00:29:02,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2018-12-02 00:29:02,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1275. [2018-12-02 00:29:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2018-12-02 00:29:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1568 transitions. [2018-12-02 00:29:02,305 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1568 transitions. Word has length 165 [2018-12-02 00:29:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:29:02,305 INFO L480 AbstractCegarLoop]: Abstraction has 1275 states and 1568 transitions. [2018-12-02 00:29:02,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 00:29:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1568 transitions. [2018-12-02 00:29:02,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 00:29:02,310 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:29:02,310 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:29:02,310 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 00:29:02,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:29:02,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1777312675, now seen corresponding path program 1 times [2018-12-02 00:29:02,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:29:02,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:29:02,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:02,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:29:02,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:29:02,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 00:29:02,381 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 00:29:02,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:29:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:02,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:29:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 00:29:02,503 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 00:29:02,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-12-02 00:29:02,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 00:29:02,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 00:29:02,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 00:29:02,504 INFO L87 Difference]: Start difference. First operand 1275 states and 1568 transitions. Second operand 8 states. [2018-12-02 00:29:03,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:29:03,199 INFO L93 Difference]: Finished difference Result 4276 states and 5530 transitions. [2018-12-02 00:29:03,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 00:29:03,200 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2018-12-02 00:29:03,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:29:03,208 INFO L225 Difference]: With dead ends: 4276 [2018-12-02 00:29:03,208 INFO L226 Difference]: Without dead ends: 3007 [2018-12-02 00:29:03,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2018-12-02 00:29:03,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2018-12-02 00:29:03,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 2558. [2018-12-02 00:29:03,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2558 states. [2018-12-02 00:29:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3124 transitions. [2018-12-02 00:29:03,255 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3124 transitions. Word has length 185 [2018-12-02 00:29:03,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:29:03,255 INFO L480 AbstractCegarLoop]: Abstraction has 2558 states and 3124 transitions. [2018-12-02 00:29:03,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 00:29:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3124 transitions. [2018-12-02 00:29:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 00:29:03,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:29:03,260 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:29:03,260 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 00:29:03,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:29:03,260 INFO L82 PathProgramCache]: Analyzing trace with hash -168440494, now seen corresponding path program 1 times [2018-12-02 00:29:03,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:29:03,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:29:03,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:03,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:29:03,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:29:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 139 proven. 69 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 00:29:03,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 00:29:03,374 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 00:29:03,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:29:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:03,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:29:03,492 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 00:29:03,507 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 00:29:03,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2018-12-02 00:29:03,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 00:29:03,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 00:29:03,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 00:29:03,508 INFO L87 Difference]: Start difference. First operand 2558 states and 3124 transitions. Second operand 11 states. [2018-12-02 00:29:04,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:29:04,224 INFO L93 Difference]: Finished difference Result 4159 states and 5077 transitions. [2018-12-02 00:29:04,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 00:29:04,224 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2018-12-02 00:29:04,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:29:04,225 INFO L225 Difference]: With dead ends: 4159 [2018-12-02 00:29:04,225 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 00:29:04,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2018-12-02 00:29:04,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 00:29:04,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 00:29:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 00:29:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 00:29:04,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2018-12-02 00:29:04,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:29:04,229 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 00:29:04,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 00:29:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 00:29:04,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 00:29:04,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 00:29:04,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 00:29:04,780 WARN L180 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2018-12-02 00:29:04,911 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2018-12-02 00:29:05,046 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2018-12-02 00:29:05,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 00:29:05,047 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,048 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 00:29:05,049 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 00:29:05,050 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 00:29:05,051 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,052 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,053 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 00:29:05,054 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 00:29:05,055 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse24 (= 1 |old(~a7~0)|)) (.cse13 (= 1 ~a7~0)) (.cse6 (not (= ~a8~0 13))) (.cse0 (= 13 |old(~a8~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a21~0 |old(~a21~0)|)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse5 (= ~a20~0 |old(~a20~0)|))) (let ((.cse9 (= 6 |old(~a16~0)|)) (.cse8 (< 0 |old(~a7~0)|)) (.cse12 (and .cse1 .cse2 .cse3 .cse4 .cse5)) (.cse16 (not (= 1 |old(~a21~0)|))) (.cse17 (not (= 4 |old(~a16~0)|))) (.cse18 (= 1 ~a20~0)) (.cse19 (= 13 ~a8~0)) (.cse20 (= 1 ~a21~0)) (.cse21 (= 1 ~a17~0)) (.cse22 (not .cse0)) (.cse23 (not (= 1 |old(~a17~0)|))) (.cse15 (not (= 1 |old(~a20~0)|))) (.cse7 (not (= 8 ~a12~0))) (.cse11 (and .cse13 .cse2 .cse3 .cse4 .cse5 .cse6)) (.cse10 (not .cse24))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 .cse0 .cse7 .cse10 .cse11) (or .cse12 (or .cse9 .cse7 .cse8)) (or (and .cse13 (and .cse2 .cse3 .cse4) .cse5) .cse10 (let ((.cse14 (< 0 |old(~a21~0)|))) (and (or .cse9 .cse7 .cse14) (or .cse15 .cse7 .cse14)))) (or (or .cse8 (or .cse15 .cse7)) .cse12) (or .cse16 .cse15 .cse17 (and .cse13 .cse18 .cse19 .cse4 .cse20 .cse21) .cse7 .cse10 .cse22 .cse23) (or .cse16 .cse24 .cse15 .cse17 .cse7 (and (not (= ~a7~0 1)) .cse18 .cse19 .cse4 .cse20 .cse21) .cse22 .cse23) (or (or .cse15 .cse0 .cse7) .cse11 .cse10)))) [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,056 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,057 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-12-02 00:29:05,058 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 13)) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 8 ~a12~0)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-12-02 00:29:05,058 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 00:29:05,058 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (not (= ~a16~0 6))) (.cse1 (<= ~a7~0 0)) (.cse2 (= 1 ~a7~0)) (.cse4 (= 1 ~a20~0)) (.cse0 (not (= ~a8~0 13)))) (or (= 6 |old(~a16~0)|) (and .cse0 .cse1) (and .cse2 (let ((.cse3 (<= ~a21~0 0))) (or (and .cse3 .cse4) (and .cse3 .cse5)))) (and .cse4 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (= 13 |old(~a8~0)|) (and .cse4 .cse1) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse5 .cse0) (and .cse5 .cse1) (and .cse2 .cse4 .cse0) (< 0 |old(~a7~0)|))) [2018-12-02 00:29:05,059 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 00:29:05,059 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 00:29:05,059 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (not (= ~a16~0 6))) (.cse1 (<= ~a7~0 0)) (.cse2 (= 1 ~a7~0)) (.cse4 (= 1 ~a20~0)) (.cse0 (not (= ~a8~0 13)))) (or (= 6 |old(~a16~0)|) (and .cse0 .cse1) (and .cse2 (let ((.cse3 (<= ~a21~0 0))) (or (and .cse3 .cse4) (and .cse3 .cse5)))) (and .cse4 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (= 13 |old(~a8~0)|) (and .cse4 .cse1) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse5 .cse0) (and .cse5 .cse1) (and .cse2 .cse4 .cse0) (< 0 |old(~a7~0)|))) [2018-12-02 00:29:05,059 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 00:29:05,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:29:05 BoogieIcfgContainer [2018-12-02 00:29:05,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 00:29:05,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 00:29:05,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 00:29:05,071 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 00:29:05,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:58" (3/4) ... [2018-12-02 00:29:05,074 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 00:29:05,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 00:29:05,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 00:29:05,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 00:29:05,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 00:29:05,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 00:29:05,115 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((6 == \old(a16) || (!(a8 == 13) && a7 <= 0)) || (1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6))))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || 13 == \old(a8)) || (1 == a20 && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a17))) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || ((1 == a7 && 1 == a20) && !(a8 == 13))) || 0 < \old(a7) [2018-12-02 00:29:05,180 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6a2913a-fa6f-4b88-b66b-488b21a77ec1/bin-2019/uautomizer/witness.graphml [2018-12-02 00:29:05,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 00:29:05,181 INFO L168 Benchmark]: Toolchain (without parser) took 7805.22 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 401.1 MB). Free memory was 946.3 MB in the beginning and 1.3 GB in the end (delta: -306.5 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:05,181 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-02 00:29:05,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:05,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:29:05,182 INFO L168 Benchmark]: Boogie Preprocessor took 39.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:05,182 INFO L168 Benchmark]: RCFGBuilder took 620.10 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: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:05,182 INFO L168 Benchmark]: TraceAbstraction took 6705.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 268.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -272.2 MB). Peak memory consumption was 485.3 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:05,182 INFO L168 Benchmark]: Witness Printer took 109.70 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:05,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 620.10 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: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6705.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 268.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -272.2 MB). Peak memory consumption was 485.3 MB. Max. memory is 11.5 GB. * Witness Printer took 109.70 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((6 == \old(a16) || (!(a8 == 13) && a7 <= 0)) || (1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6))))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || 13 == \old(a8)) || (1 == a20 && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a17))) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || ((1 == a7 && 1 == a20) && !(a8 == 13))) || 0 < \old(a7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 257 SDtfs, 4351 SDslu, 400 SDs, 0 SdLazy, 5878 SolverSat, 1030 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 625 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2558occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 1200 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 115 NumberOfFragments, 600 HoareAnnotationTreeSize, 75 FomulaSimplifications, 5807 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1182 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1821 NumberOfCodeBlocks, 1821 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1810 ConstructedInterpolants, 0 QuantifiedInterpolants, 1220905 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1594 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 606/762 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...