./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/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 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:39:26,786 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:39:26,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:39:26,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:39:26,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:39:26,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:39:26,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:39:26,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:39:26,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:39:26,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:39:26,800 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:39:26,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:39:26,801 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:39:26,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:39:26,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:39:26,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:39:26,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:39:26,805 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:39:26,806 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:39:26,807 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:39:26,808 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:39:26,808 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:39:26,810 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:39:26,810 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:39:26,810 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:39:26,811 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:39:26,812 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:39:26,812 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:39:26,813 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:39:26,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:39:26,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:39:26,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:39:26,814 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:39:26,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:39:26,815 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:39:26,815 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:39:26,815 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:39:26,825 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:39:26,825 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:39:26,825 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:39:26,826 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:39:26,826 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:39:26,826 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:39:26,826 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:39:26,826 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:39:26,827 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:39:26,827 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:39:26,827 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:39:26,827 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:39:26,827 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:39:26,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:39:26,827 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:39:26,827 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:39:26,828 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:39:26,828 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:39:26,828 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:39:26,828 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:39:26,828 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:39:26,828 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:39:26,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:39:26,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:39:26,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:39:26,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:39:26,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:39:26,829 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:39:26,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:39:26,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:39:26,829 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_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/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 -> 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f [2018-11-23 12:39:26,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:39:26,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:39:26,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:39:26,864 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:39:26,864 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:39:26,864 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-23 12:39:26,905 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/data/b61f57bab/cfe8a565cb6b42429c817886a3cd0014/FLAGcb528e658 [2018-11-23 12:39:27,355 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:39:27,355 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-23 12:39:27,364 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/data/b61f57bab/cfe8a565cb6b42429c817886a3cd0014/FLAGcb528e658 [2018-11-23 12:39:27,376 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/data/b61f57bab/cfe8a565cb6b42429c817886a3cd0014 [2018-11-23 12:39:27,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:39:27,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:39:27,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:39:27,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:39:27,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:39:27,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27, skipping insertion in model container [2018-11-23 12:39:27,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:39:27,428 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:39:27,664 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:39:27,668 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:39:27,733 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:39:27,745 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:39:27,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27 WrapperNode [2018-11-23 12:39:27,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:39:27,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:39:27,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:39:27,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:39:27,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:39:27,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:39:27,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:39:27,818 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:39:27,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... [2018-11-23 12:39:27,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:39:27,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:39:27,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:39:27,868 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:39:27,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:39:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 12:39:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:39:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:39:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 12:39:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 12:39:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:39:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:39:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:39:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:39:28,613 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:39:28,614 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 12:39:28,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:28 BoogieIcfgContainer [2018-11-23 12:39:28,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:39:28,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:39:28,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:39:28,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:39:28,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:39:27" (1/3) ... [2018-11-23 12:39:28,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:39:28, skipping insertion in model container [2018-11-23 12:39:28,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:27" (2/3) ... [2018-11-23 12:39:28,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:39:28, skipping insertion in model container [2018-11-23 12:39:28,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:28" (3/3) ... [2018-11-23 12:39:28,620 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-11-23 12:39:28,626 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:39:28,631 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:39:28,640 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:39:28,661 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:39:28,662 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:39:28,662 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:39:28,662 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:39:28,662 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:39:28,662 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:39:28,662 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:39:28,662 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:39:28,662 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:39:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 12:39:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 12:39:28,685 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:28,686 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] [2018-11-23 12:39:28,687 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:28,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:28,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2018-11-23 12:39:28,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:28,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:28,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:28,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:28,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:28,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:28,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:28,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:39:28,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:39:29,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:39:29,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:39:29,012 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 12:39:29,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:29,545 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 12:39:29,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:39:29,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-11-23 12:39:29,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:29,555 INFO L225 Difference]: With dead ends: 547 [2018-11-23 12:39:29,555 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 12:39:29,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:39:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 12:39:29,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 12:39:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 12:39:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 560 transitions. [2018-11-23 12:39:29,601 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 560 transitions. Word has length 100 [2018-11-23 12:39:29,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:29,602 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 560 transitions. [2018-11-23 12:39:29,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:39:29,602 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2018-11-23 12:39:29,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 12:39:29,606 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:29,606 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] [2018-11-23 12:39:29,607 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:29,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:29,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2018-11-23 12:39:29,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:29,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:29,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:29,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:29,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:29,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:29,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:39:29,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:39:29,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:39:29,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:39:29,691 INFO L87 Difference]: Start difference. First operand 338 states and 560 transitions. Second operand 6 states. [2018-11-23 12:39:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:30,249 INFO L93 Difference]: Finished difference Result 881 states and 1484 transitions. [2018-11-23 12:39:30,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:39:30,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-11-23 12:39:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:30,254 INFO L225 Difference]: With dead ends: 881 [2018-11-23 12:39:30,254 INFO L226 Difference]: Without dead ends: 549 [2018-11-23 12:39:30,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:39:30,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-23 12:39:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2018-11-23 12:39:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-23 12:39:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2018-11-23 12:39:30,276 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 110 [2018-11-23 12:39:30,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:30,276 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2018-11-23 12:39:30,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:39:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2018-11-23 12:39:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 12:39:30,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:30,278 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] [2018-11-23 12:39:30,279 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:30,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:30,279 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2018-11-23 12:39:30,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:30,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:30,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:30,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:30,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:30,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:30,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:39:30,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:39:30,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:39:30,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:39:30,369 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand 3 states. [2018-11-23 12:39:30,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:30,736 INFO L93 Difference]: Finished difference Result 1521 states and 2423 transitions. [2018-11-23 12:39:30,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:39:30,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-11-23 12:39:30,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:30,741 INFO L225 Difference]: With dead ends: 1521 [2018-11-23 12:39:30,741 INFO L226 Difference]: Without dead ends: 991 [2018-11-23 12:39:30,742 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 [2018-11-23 12:39:30,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-11-23 12:39:30,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2018-11-23 12:39:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2018-11-23 12:39:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1482 transitions. [2018-11-23 12:39:30,765 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1482 transitions. Word has length 111 [2018-11-23 12:39:30,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:30,766 INFO L480 AbstractCegarLoop]: Abstraction has 991 states and 1482 transitions. [2018-11-23 12:39:30,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:39:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1482 transitions. [2018-11-23 12:39:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 12:39:30,769 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:30,769 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:39:30,770 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:30,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:30,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2018-11-23 12:39:30,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:30,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:30,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:30,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:30,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:30,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:30,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:39:30,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:39:30,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:39:30,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:39:30,855 INFO L87 Difference]: Start difference. First operand 991 states and 1482 transitions. Second operand 6 states. [2018-11-23 12:39:31,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:31,421 INFO L93 Difference]: Finished difference Result 2904 states and 4593 transitions. [2018-11-23 12:39:31,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:39:31,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-23 12:39:31,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:31,429 INFO L225 Difference]: With dead ends: 2904 [2018-11-23 12:39:31,429 INFO L226 Difference]: Without dead ends: 1919 [2018-11-23 12:39:31,433 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:39:31,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2018-11-23 12:39:31,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1870. [2018-11-23 12:39:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2018-11-23 12:39:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2645 transitions. [2018-11-23 12:39:31,485 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2645 transitions. Word has length 125 [2018-11-23 12:39:31,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:31,485 INFO L480 AbstractCegarLoop]: Abstraction has 1870 states and 2645 transitions. [2018-11-23 12:39:31,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:39:31,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2645 transitions. [2018-11-23 12:39:31,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 12:39:31,491 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:31,491 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 12:39:31,491 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:31,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:31,492 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2018-11-23 12:39:31,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:31,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:31,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:31,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:31,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:31,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:39:31,643 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:39:31,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:31,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:39:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:31,807 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:39:31,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 12:39:31,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:39:31,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:39:31,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:39:31,808 INFO L87 Difference]: Start difference. First operand 1870 states and 2645 transitions. Second operand 7 states. [2018-11-23 12:39:32,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:32,544 INFO L93 Difference]: Finished difference Result 4332 states and 6405 transitions. [2018-11-23 12:39:32,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:39:32,544 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2018-11-23 12:39:32,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:32,556 INFO L225 Difference]: With dead ends: 4332 [2018-11-23 12:39:32,557 INFO L226 Difference]: Without dead ends: 2468 [2018-11-23 12:39:32,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:39:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2018-11-23 12:39:32,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 2426. [2018-11-23 12:39:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2426 states. [2018-11-23 12:39:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 3424 transitions. [2018-11-23 12:39:32,624 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 3424 transitions. Word has length 142 [2018-11-23 12:39:32,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:32,624 INFO L480 AbstractCegarLoop]: Abstraction has 2426 states and 3424 transitions. [2018-11-23 12:39:32,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:39:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3424 transitions. [2018-11-23 12:39:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 12:39:32,629 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:32,630 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] [2018-11-23 12:39:32,630 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:32,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:32,630 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2018-11-23 12:39:32,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:32,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:32,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:32,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:32,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:32,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:39:32,749 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:39:32,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:32,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:39:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:39:32,954 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:39:32,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 12:39:32,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:39:32,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:39:32,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:39:32,955 INFO L87 Difference]: Start difference. First operand 2426 states and 3424 transitions. Second operand 8 states. [2018-11-23 12:39:34,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:34,542 INFO L93 Difference]: Finished difference Result 6136 states and 9234 transitions. [2018-11-23 12:39:34,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 12:39:34,543 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2018-11-23 12:39:34,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:34,556 INFO L225 Difference]: With dead ends: 6136 [2018-11-23 12:39:34,557 INFO L226 Difference]: Without dead ends: 3716 [2018-11-23 12:39:34,566 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-23 12:39:34,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3716 states. [2018-11-23 12:39:34,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3716 to 3305. [2018-11-23 12:39:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3305 states. [2018-11-23 12:39:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4259 transitions. [2018-11-23 12:39:34,666 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4259 transitions. Word has length 146 [2018-11-23 12:39:34,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:34,667 INFO L480 AbstractCegarLoop]: Abstraction has 3305 states and 4259 transitions. [2018-11-23 12:39:34,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:39:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4259 transitions. [2018-11-23 12:39:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 12:39:34,674 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:34,674 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] [2018-11-23 12:39:34,675 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:34,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:34,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2018-11-23 12:39:34,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:34,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:34,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:34,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:34,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:34,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:39:34,789 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:39:34,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:34,856 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:39:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:39:34,927 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:39:34,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 12:39:34,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:39:34,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:39:34,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:39:34,929 INFO L87 Difference]: Start difference. First operand 3305 states and 4259 transitions. Second operand 8 states. [2018-11-23 12:39:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:36,155 INFO L93 Difference]: Finished difference Result 11170 states and 16067 transitions. [2018-11-23 12:39:36,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-23 12:39:36,155 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2018-11-23 12:39:36,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:36,174 INFO L225 Difference]: With dead ends: 11170 [2018-11-23 12:39:36,175 INFO L226 Difference]: Without dead ends: 7871 [2018-11-23 12:39:36,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2018-11-23 12:39:36,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7871 states. [2018-11-23 12:39:36,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7871 to 7645. [2018-11-23 12:39:36,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7645 states. [2018-11-23 12:39:36,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7645 states to 7645 states and 9790 transitions. [2018-11-23 12:39:36,308 INFO L78 Accepts]: Start accepts. Automaton has 7645 states and 9790 transitions. Word has length 166 [2018-11-23 12:39:36,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:36,308 INFO L480 AbstractCegarLoop]: Abstraction has 7645 states and 9790 transitions. [2018-11-23 12:39:36,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:39:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 7645 states and 9790 transitions. [2018-11-23 12:39:36,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 12:39:36,318 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:36,318 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:39:36,318 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:36,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:36,318 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2018-11-23 12:39:36,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:36,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:36,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:36,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:36,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 109 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 12:39:36,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:39:36,416 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:39:36,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:36,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:39:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 12:39:36,541 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:39:36,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 12:39:36,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:39:36,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:39:36,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:39:36,542 INFO L87 Difference]: Start difference. First operand 7645 states and 9790 transitions. Second operand 8 states. [2018-11-23 12:39:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:38,093 INFO L93 Difference]: Finished difference Result 15050 states and 19607 transitions. [2018-11-23 12:39:38,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 12:39:38,094 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2018-11-23 12:39:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:38,094 INFO L225 Difference]: With dead ends: 15050 [2018-11-23 12:39:38,094 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:39:38,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2018-11-23 12:39:38,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:39:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:39:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:39:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:39:38,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2018-11-23 12:39:38,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:38,122 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:39:38,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:39:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:39:38,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:38,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:39:38,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,577 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 223 [2018-11-23 12:39:38,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:39:38,906 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 223 [2018-11-23 12:39:39,494 WARN L180 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2018-11-23 12:39:40,037 WARN L180 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 52 [2018-11-23 12:39:40,573 WARN L180 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 52 [2018-11-23 12:39:40,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:39:40,575 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-23 12:39:40,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:39:40,575 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 12:39:40,575 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 12:39:40,575 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,575 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,575 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,575 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,575 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 12:39:40,576 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 12:39:40,577 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,578 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 12:39:40,579 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,580 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 12:39:40,581 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 12:39:40,582 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= 6 |old(~a16~0)|)) (.cse16 (< 0 |old(~a21~0)|)) (.cse12 (= |old(~a16~0)| ~a16~0)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= |old(~a8~0)| ~a8~0)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|))) (let ((.cse5 (not (= 1 |old(~a17~0)|))) (.cse6 (= 13 |old(~a8~0)|)) (.cse3 (not (= 1 |old(~a7~0)|))) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse4 (and .cse12 .cse10 .cse11 .cse15 (= 1 ~a21~0) .cse13)) (.cse7 (< 0 |old(~a7~0)|)) (.cse9 (or .cse0 .cse16)) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse14 (= ~a21~0 |old(~a21~0)|)) (.cse8 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse1 .cse4 .cse6 .cse7 .cse5) (or .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= 1 ~a17~0)) .cse5) (or .cse1 .cse4 .cse2 .cse7 .cse5) (or .cse0 .cse1 .cse4 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse4 .cse7 .cse8) (or .cse9 .cse8 (and .cse10 .cse11 .cse15 .cse12 .cse13 .cse14)) (or .cse2 (and .cse12 .cse14 .cse10 .cse11 .cse15 .cse13) .cse8 .cse16)))) [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 12:39:40,583 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 12:39:40,584 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 12:39:40,585 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 12:39:40,586 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:39:40,587 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (<= ~a7~0 0) (not (= ~a8~0 13)) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-11-23 12:39:40,587 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:39:40,587 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:39:40,587 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (and (= |old(~a16~0)| ~a16~0) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-23 12:39:40,587 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 12:39:40,587 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse4 (not (= ~a8~0 13))) (.cse3 (= 1 ~a21~0)) (.cse5 (<= ~a7~0 0)) (.cse7 (= 1 ~a17~0)) (.cse2 (not (= ~a16~0 6))) (.cse8 (<= ~a21~0 0)) (.cse6 (= 1 ~a20~0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse3 .cse1 .cse5) (and .cse0 (and .cse6 .cse2 .cse3) .cse7) (and .cse8 .cse2 .cse7) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse3 .cse4 .cse5) .cse1) (and .cse6 .cse3 .cse5 .cse7) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (and .cse8 .cse2 .cse1) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse8 .cse6 .cse1))) [2018-11-23 12:39:40,587 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 12:39:40,587 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 12:39:40,587 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse4 (not (= ~a8~0 13))) (.cse3 (= 1 ~a21~0)) (.cse5 (<= ~a7~0 0)) (.cse7 (= 1 ~a17~0)) (.cse2 (not (= ~a16~0 6))) (.cse8 (<= ~a21~0 0)) (.cse6 (= 1 ~a20~0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse3 .cse1 .cse5) (and .cse0 (and .cse6 .cse2 .cse3) .cse7) (and .cse8 .cse2 .cse7) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse3 .cse4 .cse5) .cse1) (and .cse6 .cse3 .cse5 .cse7) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (and .cse8 .cse2 .cse1) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse8 .cse6 .cse1))) [2018-11-23 12:39:40,587 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 12:39:40,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:39:40 BoogieIcfgContainer [2018-11-23 12:39:40,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:39:40,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:39:40,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:39:40,600 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:39:40,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:28" (3/4) ... [2018-11-23 12:39:40,603 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:39:40,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:39:40,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 12:39:40,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:39:40,619 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 12:39:40,620 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 12:39:40,645 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || !(1 == \old(a20))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a7 <= 0)) || ((1 == a7 && (1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || (((1 == a20 && 1 == a21) && a7 <= 0) && 1 == a17)) || 0 < \old(a7)) || 6 == \old(a16)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) [2018-11-23 12:39:40,722 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_34e9e7ca-8c1c-465e-9ca4-dd75a8498121/bin-2019/uautomizer/witness.graphml [2018-11-23 12:39:40,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:39:40,723 INFO L168 Benchmark]: Toolchain (without parser) took 13343.94 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 452.5 MB). Free memory was 950.1 MB in the beginning and 1.4 GB in the end (delta: -416.5 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:40,724 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:39:40,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.50 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 917.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:40,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:40,725 INFO L168 Benchmark]: Boogie Preprocessor took 50.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:40,725 INFO L168 Benchmark]: RCFGBuilder took 746.28 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: 112.5 MB). Peak memory consumption was 112.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:40,725 INFO L168 Benchmark]: TraceAbstraction took 11984.54 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 329.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -389.6 MB). Peak memory consumption was 509.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:40,725 INFO L168 Benchmark]: Witness Printer took 122.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:40,727 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.50 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 917.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 746.28 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: 112.5 MB). Peak memory consumption was 112.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11984.54 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 329.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -389.6 MB). Peak memory consumption was 509.8 MB. Max. memory is 11.5 GB. * Witness Printer took 122.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: ((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || !(1 == \old(a20))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a7 <= 0)) || ((1 == a7 && (1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || (((1 == a20 && 1 == a21) && a7 <= 0) && 1 == a17)) || 0 < \old(a7)) || 6 == \old(a16)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 11.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 7.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 756 SDtfs, 7133 SDslu, 938 SDs, 0 SdLazy, 8835 SolverSat, 2230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 788 GetRequests, 695 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7645occurred 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: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 741 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 171 PreInvPairs, 297 NumberOfFragments, 707 HoareAnnotationTreeSize, 171 FomulaSimplifications, 54342 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 29164 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1762 NumberOfCodeBlocks, 1762 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1750 ConstructedInterpolants, 0 QuantifiedInterpolants, 668592 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1903 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 556/727 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...