./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan --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 Taipan --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 0.1.23-5842f4b [2018-11-18 17:34:19,063 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:34:19,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:34:19,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:34:19,076 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:34:19,077 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:34:19,078 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:34:19,080 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:34:19,081 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:34:19,082 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:34:19,082 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:34:19,083 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:34:19,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:34:19,084 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:34:19,085 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:34:19,086 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:34:19,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:34:19,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:34:19,088 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:34:19,089 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:34:19,094 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:34:19,095 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:34:19,097 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:34:19,097 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:34:19,098 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:34:19,098 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:34:19,099 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:34:19,100 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:34:19,100 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:34:19,101 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:34:19,101 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:34:19,102 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:34:19,102 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:34:19,102 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:34:19,103 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:34:19,103 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:34:19,103 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:34:19,115 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:34:19,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:34:19,116 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:34:19,116 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:34:19,116 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:34:19,116 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:34:19,116 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:34:19,116 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:34:19,117 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:34:19,117 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:34:19,117 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:34:19,117 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:34:19,117 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:34:19,118 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:34:19,118 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:34:19,118 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:34:19,118 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:34:19,119 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:34:19,119 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:34:19,119 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:34:19,119 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:34:19,119 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:34:19,119 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:34:19,120 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:34:19,120 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:34:19,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:34:19,120 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:34:19,120 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:34:19,120 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:34:19,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:34:19,121 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:34:19,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:34:19,121 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:34:19,121 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:34:19,121 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:34:19,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:34:19,122 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:34:19,122 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan 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 -> Taipan 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 [2018-11-18 17:34:19,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:34:19,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:34:19,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:34:19,163 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:34:19,164 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:34:19,164 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-18 17:34:19,219 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/data/0cbcb0ebb/05662cd7dce64760b32957004783992d/FLAGaaffb15db [2018-11-18 17:34:19,634 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:34:19,635 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-18 17:34:19,645 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/data/0cbcb0ebb/05662cd7dce64760b32957004783992d/FLAGaaffb15db [2018-11-18 17:34:19,992 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/data/0cbcb0ebb/05662cd7dce64760b32957004783992d [2018-11-18 17:34:19,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:34:19,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:34:19,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:34:19,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:34:20,000 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:34:20,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:34:19" (1/1) ... [2018-11-18 17:34:20,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20, skipping insertion in model container [2018-11-18 17:34:20,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:34:19" (1/1) ... [2018-11-18 17:34:20,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:34:20,059 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:34:20,323 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:34:20,326 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:34:20,397 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:34:20,411 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:34:20,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20 WrapperNode [2018-11-18 17:34:20,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:34:20,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:34:20,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:34:20,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:34:20,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... [2018-11-18 17:34:20,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... [2018-11-18 17:34:20,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:34:20,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:34:20,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:34:20,507 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:34:20,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... [2018-11-18 17:34:20,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... [2018-11-18 17:34:20,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... [2018-11-18 17:34:20,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... [2018-11-18 17:34:20,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... [2018-11-18 17:34:20,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... [2018-11-18 17:34:20,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... [2018-11-18 17:34:20,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:34:20,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:34:20,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:34:20,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:34:20,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/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 [2018-11-18 17:34:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:34:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:34:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:34:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:34:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:34:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:34:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:34:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:34:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:34:21,554 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:34:21,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:34:21 BoogieIcfgContainer [2018-11-18 17:34:21,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:34:21,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:34:21,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:34:21,558 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:34:21,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:34:19" (1/3) ... [2018-11-18 17:34:21,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:34:21, skipping insertion in model container [2018-11-18 17:34:21,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:34:20" (2/3) ... [2018-11-18 17:34:21,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:34:21, skipping insertion in model container [2018-11-18 17:34:21,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:34:21" (3/3) ... [2018-11-18 17:34:21,561 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-11-18 17:34:21,569 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:34:21,576 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:34:21,587 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:34:21,617 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:34:21,617 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:34:21,617 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:34:21,617 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:34:21,617 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:34:21,618 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:34:21,618 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:34:21,618 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:34:21,638 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 17:34:21,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 17:34:21,646 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:21,647 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:34:21,649 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:21,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:21,654 INFO L82 PathProgramCache]: Analyzing trace with hash -200516955, now seen corresponding path program 1 times [2018-11-18 17:34:21,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:21,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:21,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:21,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:21,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:34:21,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:34:21,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:34:21,956 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:34:21,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:34:21,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:34:21,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:34:21,972 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 17:34:22,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:22,685 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 17:34:22,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:34:22,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-11-18 17:34:22,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:22,702 INFO L225 Difference]: With dead ends: 550 [2018-11-18 17:34:22,702 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 17:34:22,707 INFO L604 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 [2018-11-18 17:34:22,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 17:34:22,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 17:34:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 17:34:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-18 17:34:22,753 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 101 [2018-11-18 17:34:22,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:22,754 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-18 17:34:22,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:34:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-18 17:34:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 17:34:22,758 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:22,758 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:34:22,759 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:22,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1760831450, now seen corresponding path program 1 times [2018-11-18 17:34:22,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:22,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:22,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:22,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:22,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:34:22,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:34:22,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:34:22,868 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:34:22,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:34:22,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:34:22,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:34:22,870 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-18 17:34:23,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:23,637 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-18 17:34:23,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:34:23,637 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-11-18 17:34:23,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:23,641 INFO L225 Difference]: With dead ends: 888 [2018-11-18 17:34:23,641 INFO L226 Difference]: Without dead ends: 554 [2018-11-18 17:34:23,644 INFO L604 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 [2018-11-18 17:34:23,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-18 17:34:23,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-18 17:34:23,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-18 17:34:23,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-18 17:34:23,667 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 112 [2018-11-18 17:34:23,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:23,667 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-18 17:34:23,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:34:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-18 17:34:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 17:34:23,670 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:23,670 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:34:23,670 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:23,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:23,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1036914094, now seen corresponding path program 1 times [2018-11-18 17:34:23,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:23,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:23,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:23,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:23,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:34:23,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:34:23,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:34:23,776 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:34:23,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:34:23,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:34:23,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:34:23,777 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-11-18 17:34:24,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:24,193 INFO L93 Difference]: Finished difference Result 1530 states and 2432 transitions. [2018-11-18 17:34:24,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:34:24,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-11-18 17:34:24,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:24,200 INFO L225 Difference]: With dead ends: 1530 [2018-11-18 17:34:24,200 INFO L226 Difference]: Without dead ends: 997 [2018-11-18 17:34:24,203 INFO L604 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 [2018-11-18 17:34:24,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-11-18 17:34:24,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-11-18 17:34:24,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-11-18 17:34:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1488 transitions. [2018-11-18 17:34:24,236 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1488 transitions. Word has length 113 [2018-11-18 17:34:24,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:24,237 INFO L480 AbstractCegarLoop]: Abstraction has 997 states and 1488 transitions. [2018-11-18 17:34:24,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:34:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1488 transitions. [2018-11-18 17:34:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 17:34:24,241 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:24,241 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:34:24,241 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:24,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:24,242 INFO L82 PathProgramCache]: Analyzing trace with hash 790407278, now seen corresponding path program 1 times [2018-11-18 17:34:24,242 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:24,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:24,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:24,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:24,243 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:24,352 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:34:24,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:34:24,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:34:24,352 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:34:24,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:34:24,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:34:24,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:34:24,354 INFO L87 Difference]: Start difference. First operand 997 states and 1488 transitions. Second operand 6 states. [2018-11-18 17:34:25,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:25,265 INFO L93 Difference]: Finished difference Result 2927 states and 4616 transitions. [2018-11-18 17:34:25,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:34:25,266 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-18 17:34:25,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:25,275 INFO L225 Difference]: With dead ends: 2927 [2018-11-18 17:34:25,276 INFO L226 Difference]: Without dead ends: 1936 [2018-11-18 17:34:25,280 INFO L604 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 [2018-11-18 17:34:25,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-11-18 17:34:25,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1881. [2018-11-18 17:34:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-11-18 17:34:25,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2656 transitions. [2018-11-18 17:34:25,331 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2656 transitions. Word has length 127 [2018-11-18 17:34:25,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:25,332 INFO L480 AbstractCegarLoop]: Abstraction has 1881 states and 2656 transitions. [2018-11-18 17:34:25,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:34:25,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2656 transitions. [2018-11-18 17:34:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 17:34:25,336 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:25,337 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:34:25,337 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:25,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:25,337 INFO L82 PathProgramCache]: Analyzing trace with hash 323635751, now seen corresponding path program 1 times [2018-11-18 17:34:25,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:25,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:25,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:25,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:25,338 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:34:25,427 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:25,427 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:34:25,428 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-18 17:34:25,429 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:34:25,467 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:34:25,467 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:34:25,998 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:34:25,999 INFO L272 AbstractInterpreter]: Visited 105 different actions 203 times. Merged at 4 different actions 4 times. Never widened. Performed 2886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 17:34:26,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:26,011 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:34:26,331 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 81.6% of their original sizes. [2018-11-18 17:34:26,332 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:34:26,421 INFO L415 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-11-18 17:34:26,421 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:34:26,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:34:26,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:34:26,422 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:34:26,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:34:26,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:34:26,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:34:26,423 INFO L87 Difference]: Start difference. First operand 1881 states and 2656 transitions. Second operand 10 states. [2018-11-18 17:34:30,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:30,444 INFO L93 Difference]: Finished difference Result 5464 states and 7703 transitions. [2018-11-18 17:34:30,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 17:34:30,445 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2018-11-18 17:34:30,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:30,453 INFO L225 Difference]: With dead ends: 5464 [2018-11-18 17:34:30,453 INFO L226 Difference]: Without dead ends: 3589 [2018-11-18 17:34:30,457 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:34:30,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2018-11-18 17:34:30,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 3541. [2018-11-18 17:34:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3541 states. [2018-11-18 17:34:30,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4515 transitions. [2018-11-18 17:34:30,507 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4515 transitions. Word has length 145 [2018-11-18 17:34:30,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:30,507 INFO L480 AbstractCegarLoop]: Abstraction has 3541 states and 4515 transitions. [2018-11-18 17:34:30,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:34:30,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4515 transitions. [2018-11-18 17:34:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 17:34:30,511 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:30,511 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:34:30,512 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:30,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:30,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1433340204, now seen corresponding path program 1 times [2018-11-18 17:34:30,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:30,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:30,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:30,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:30,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:34:30,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:30,593 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:34:30,593 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-11-18 17:34:30,594 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:34:30,597 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:34:30,597 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:34:30,714 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:34:30,714 INFO L272 AbstractInterpreter]: Visited 106 different actions 206 times. Merged at 5 different actions 5 times. Never widened. Performed 2774 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2774 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 17:34:30,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:30,715 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:34:30,927 INFO L227 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 81.59% of their original sizes. [2018-11-18 17:34:30,928 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:34:31,024 INFO L415 sIntCurrentIteration]: We unified 157 AI predicates to 157 [2018-11-18 17:34:31,024 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:34:31,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:34:31,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:34:31,025 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:34:31,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:34:31,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:34:31,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:34:31,025 INFO L87 Difference]: Start difference. First operand 3541 states and 4515 transitions. Second operand 10 states. [2018-11-18 17:34:32,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:32,877 INFO L93 Difference]: Finished difference Result 7081 states and 9076 transitions. [2018-11-18 17:34:32,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:34:32,877 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2018-11-18 17:34:32,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:32,886 INFO L225 Difference]: With dead ends: 7081 [2018-11-18 17:34:32,886 INFO L226 Difference]: Without dead ends: 3682 [2018-11-18 17:34:32,891 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 17:34:32,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2018-11-18 17:34:32,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3679. [2018-11-18 17:34:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3679 states. [2018-11-18 17:34:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 3679 states and 4669 transitions. [2018-11-18 17:34:32,936 INFO L78 Accepts]: Start accepts. Automaton has 3679 states and 4669 transitions. Word has length 158 [2018-11-18 17:34:32,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:32,936 INFO L480 AbstractCegarLoop]: Abstraction has 3679 states and 4669 transitions. [2018-11-18 17:34:32,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:34:32,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3679 states and 4669 transitions. [2018-11-18 17:34:32,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:34:32,940 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:32,940 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-18 17:34:32,941 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:32,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:32,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1278873057, now seen corresponding path program 1 times [2018-11-18 17:34:32,941 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:32,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:32,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:32,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:32,942 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 17:34:33,011 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:33,011 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:34:33,011 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-11-18 17:34:33,011 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:34:33,014 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:34:33,014 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:34:33,194 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:34:33,194 INFO L272 AbstractInterpreter]: Visited 108 different actions 319 times. Merged at 7 different actions 19 times. Never widened. Performed 4459 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4459 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 17:34:33,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:33,198 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:34:33,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:33,198 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/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 [2018-11-18 17:34:33,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:33,205 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:34:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:33,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:34:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 17:34:33,354 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:34:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 17:34:33,526 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:34:33,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-18 17:34:33,526 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:34:33,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:34:33,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:34:33,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:34:33,527 INFO L87 Difference]: Start difference. First operand 3679 states and 4669 transitions. Second operand 8 states. [2018-11-18 17:34:35,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:35,684 INFO L93 Difference]: Finished difference Result 13917 states and 19257 transitions. [2018-11-18 17:34:35,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 17:34:35,685 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2018-11-18 17:34:35,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:35,702 INFO L225 Difference]: With dead ends: 13917 [2018-11-18 17:34:35,702 INFO L226 Difference]: Without dead ends: 6716 [2018-11-18 17:34:35,723 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-18 17:34:35,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6716 states. [2018-11-18 17:34:35,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6716 to 6563. [2018-11-18 17:34:35,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6563 states. [2018-11-18 17:34:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6563 states to 6563 states and 7865 transitions. [2018-11-18 17:34:35,821 INFO L78 Accepts]: Start accepts. Automaton has 6563 states and 7865 transitions. Word has length 170 [2018-11-18 17:34:35,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:35,821 INFO L480 AbstractCegarLoop]: Abstraction has 6563 states and 7865 transitions. [2018-11-18 17:34:35,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:34:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 6563 states and 7865 transitions. [2018-11-18 17:34:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 17:34:35,827 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:35,828 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 17:34:35,828 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:35,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:35,828 INFO L82 PathProgramCache]: Analyzing trace with hash 333501976, now seen corresponding path program 1 times [2018-11-18 17:34:35,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:35,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:35,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:35,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:35,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:34:35,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:35,932 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:34:35,932 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-11-18 17:34:35,933 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:34:35,935 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:34:35,935 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:34:36,026 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:34:36,026 INFO L272 AbstractInterpreter]: Visited 106 different actions 206 times. Merged at 5 different actions 5 times. Never widened. Performed 2826 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 17:34:36,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:36,034 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:34:36,259 INFO L227 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 81.59% of their original sizes. [2018-11-18 17:34:36,259 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:34:36,304 INFO L415 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2018-11-18 17:34:36,305 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:34:36,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:34:36,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:34:36,305 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:34:36,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:34:36,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:34:36,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:34:36,306 INFO L87 Difference]: Start difference. First operand 6563 states and 7865 transitions. Second operand 10 states. [2018-11-18 17:34:39,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:39,164 INFO L93 Difference]: Finished difference Result 12547 states and 15029 transitions. [2018-11-18 17:34:39,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:34:39,164 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2018-11-18 17:34:39,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:39,186 INFO L225 Difference]: With dead ends: 12547 [2018-11-18 17:34:39,186 INFO L226 Difference]: Without dead ends: 7164 [2018-11-18 17:34:39,196 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:34:39,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2018-11-18 17:34:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 7161. [2018-11-18 17:34:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7161 states. [2018-11-18 17:34:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7161 states to 7161 states and 8508 transitions. [2018-11-18 17:34:39,317 INFO L78 Accepts]: Start accepts. Automaton has 7161 states and 8508 transitions. Word has length 191 [2018-11-18 17:34:39,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:39,317 INFO L480 AbstractCegarLoop]: Abstraction has 7161 states and 8508 transitions. [2018-11-18 17:34:39,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:34:39,318 INFO L276 IsEmpty]: Start isEmpty. Operand 7161 states and 8508 transitions. [2018-11-18 17:34:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 17:34:39,328 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:39,328 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:34:39,328 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:39,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:39,329 INFO L82 PathProgramCache]: Analyzing trace with hash 2075133141, now seen corresponding path program 1 times [2018-11-18 17:34:39,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:39,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:39,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:39,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:39,330 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:34:39,447 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:39,447 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:34:39,447 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-18 17:34:39,447 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:34:39,449 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:34:39,450 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:34:39,817 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:34:39,817 INFO L272 AbstractInterpreter]: Visited 108 different actions 435 times. Merged at 9 different actions 39 times. Widened at 1 different actions 1 times. Performed 6235 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6235 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 17:34:39,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:39,830 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:34:39,830 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:39,830 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/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 [2018-11-18 17:34:39,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:39,836 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:34:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:39,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:34:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 17:34:39,938 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:34:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 104 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:34:40,016 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:34:40,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 17:34:40,016 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:34:40,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 17:34:40,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 17:34:40,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:34:40,017 INFO L87 Difference]: Start difference. First operand 7161 states and 8508 transitions. Second operand 11 states. [2018-11-18 17:34:40,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:40,758 INFO L93 Difference]: Finished difference Result 15338 states and 18386 transitions. [2018-11-18 17:34:40,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:34:40,758 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200 [2018-11-18 17:34:40,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:40,778 INFO L225 Difference]: With dead ends: 15338 [2018-11-18 17:34:40,778 INFO L226 Difference]: Without dead ends: 8917 [2018-11-18 17:34:40,786 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 401 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-11-18 17:34:40,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8917 states. [2018-11-18 17:34:40,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8917 to 8881. [2018-11-18 17:34:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8881 states. [2018-11-18 17:34:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8881 states to 8881 states and 10378 transitions. [2018-11-18 17:34:40,889 INFO L78 Accepts]: Start accepts. Automaton has 8881 states and 10378 transitions. Word has length 200 [2018-11-18 17:34:40,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:40,889 INFO L480 AbstractCegarLoop]: Abstraction has 8881 states and 10378 transitions. [2018-11-18 17:34:40,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 17:34:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand 8881 states and 10378 transitions. [2018-11-18 17:34:40,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 17:34:40,896 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:40,897 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:34:40,897 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:40,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:40,897 INFO L82 PathProgramCache]: Analyzing trace with hash 58709859, now seen corresponding path program 2 times [2018-11-18 17:34:40,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:40,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:40,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:40,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:40,898 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 54 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:34:40,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:40,990 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:34:40,990 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-18 17:34:40,990 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-18 17:34:40,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:40,990 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/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 [2018-11-18 17:34:41,002 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 17:34:41,002 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-18 17:34:41,033 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-18 17:34:41,033 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 17:34:41,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:34:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 17:34:41,080 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:34:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 17:34:41,137 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:34:41,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 17:34:41,137 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:34:41,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:34:41,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:34:41,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:34:41,138 INFO L87 Difference]: Start difference. First operand 8881 states and 10378 transitions. Second operand 3 states. [2018-11-18 17:34:41,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:41,399 INFO L93 Difference]: Finished difference Result 14777 states and 17317 transitions. [2018-11-18 17:34:41,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:34:41,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2018-11-18 17:34:41,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:41,420 INFO L225 Difference]: With dead ends: 14777 [2018-11-18 17:34:41,420 INFO L226 Difference]: Without dead ends: 9257 [2018-11-18 17:34:41,429 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:34:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9257 states. [2018-11-18 17:34:41,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9257 to 8985. [2018-11-18 17:34:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8985 states. [2018-11-18 17:34:41,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8985 states to 8985 states and 10490 transitions. [2018-11-18 17:34:41,574 INFO L78 Accepts]: Start accepts. Automaton has 8985 states and 10490 transitions. Word has length 200 [2018-11-18 17:34:41,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:41,574 INFO L480 AbstractCegarLoop]: Abstraction has 8985 states and 10490 transitions. [2018-11-18 17:34:41,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:34:41,574 INFO L276 IsEmpty]: Start isEmpty. Operand 8985 states and 10490 transitions. [2018-11-18 17:34:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 17:34:41,591 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:34:41,591 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:34:41,591 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:34:41,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:41,592 INFO L82 PathProgramCache]: Analyzing trace with hash 410306036, now seen corresponding path program 1 times [2018-11-18 17:34:41,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:34:41,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:41,592 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 17:34:41,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:34:41,593 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:34:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 137 proven. 73 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 17:34:41,765 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:41,765 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:34:41,765 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-11-18 17:34:41,766 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:34:41,767 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:34:41,768 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:34:42,022 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:34:42,022 INFO L272 AbstractInterpreter]: Visited 109 different actions 439 times. Merged at 10 different actions 39 times. Never widened. Performed 6363 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6363 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 17:34:42,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:34:42,030 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:34:42,030 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:34:42,030 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/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 [2018-11-18 17:34:42,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:34:42,036 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:34:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:34:42,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:34:42,160 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 17:34:42,160 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:34:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 143 proven. 20 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 17:34:42,246 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:34:42,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-18 17:34:42,246 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:34:42,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 17:34:42,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 17:34:42,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:34:42,247 INFO L87 Difference]: Start difference. First operand 8985 states and 10490 transitions. Second operand 12 states. [2018-11-18 17:34:44,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:34:44,451 INFO L93 Difference]: Finished difference Result 26544 states and 33037 transitions. [2018-11-18 17:34:44,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-18 17:34:44,451 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 237 [2018-11-18 17:34:44,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:34:44,451 INFO L225 Difference]: With dead ends: 26544 [2018-11-18 17:34:44,451 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:34:44,481 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 503 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=444, Invalid=1718, Unknown=0, NotChecked=0, Total=2162 [2018-11-18 17:34:44,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:34:44,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:34:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:34:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:34:44,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2018-11-18 17:34:44,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:34:44,482 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:34:44,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 17:34:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:34:44,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:34:44,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:34:44,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:44,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,377 WARN L180 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 270 [2018-11-18 17:34:45,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:34:45,798 WARN L180 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 240 [2018-11-18 17:34:47,326 WARN L180 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 404 DAG size of output: 102 [2018-11-18 17:34:48,331 WARN L180 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 71 [2018-11-18 17:34:49,097 WARN L180 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 74 [2018-11-18 17:34:49,098 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 17:34:49,099 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 17:34:49,100 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,101 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,102 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,103 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 17:34:49,104 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 17:34:49,105 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 17:34:49,106 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 17:34:49,107 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 17:34:49,107 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 17:34:49,107 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 17:34:49,107 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse18 (= ~a21~0 1))) (let ((.cse12 (= 1 |old(~a17~0)|)) (.cse24 (= 1 |old(~a21~0)|)) (.cse32 (= ~a20~0 1)) (.cse26 (= 1 ~a7~0)) (.cse10 (= |old(~a20~0)| ~a20~0)) (.cse23 (= |old(~a16~0)| ~a16~0)) (.cse29 (not .cse18)) (.cse21 (= ~a7~0 |old(~a7~0)|)) (.cse22 (= |old(~a8~0)| ~a8~0)) (.cse11 (= ~a17~0 |old(~a17~0)|))) (let ((.cse14 (= |old(~a7~0)| 1)) (.cse25 (and .cse10 .cse23 .cse29 .cse21 .cse22 .cse11)) (.cse27 (and .cse26 .cse22 .cse23)) (.cse19 (< 0 |old(~a17~0)|)) (.cse0 (and .cse23 (= ~a17~0 1) .cse18 .cse21 .cse22 .cse32)) (.cse16 (< 13 |old(~a8~0)|)) (.cse9 (= 6 |old(~a16~0)|)) (.cse3 (= 0 |old(~a16~0)|)) (.cse7 (= 0 |old(~a8~0)|)) (.cse6 (= |calculate_output_#in~input| 0)) (.cse17 (not (= 0 |old(~a7~0)|))) (.cse1 (not .cse24)) (.cse20 (not (= 15 |old(~a8~0)|))) (.cse4 (not (= 8 ~a12~0))) (.cse8 (not .cse12)) (.cse31 (and .cse21 .cse22 .cse10 .cse11 .cse23)) (.cse30 (= 13 |old(~a8~0)|)) (.cse13 (< 0 |old(~a20~0)|)) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse5 (not (= 1 |old(~a7~0)|))) (.cse15 (= 1 ~a20~0)) (.cse28 (< |old(~a8~0)| 15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 (and .cse10 .cse11) .cse12 .cse13) (or .cse9 .cse14 .cse15 .cse16 .cse2) (or .cse9 .cse17 .cse1 .cse18 .cse4 .cse19 .cse6 .cse2 .cse20 .cse3) (or .cse9 .cse14 .cse16 (and .cse21 .cse22 .cse23)) (or .cse16 .cse2 .cse24 .cse5 .cse19 .cse25) (or .cse9 .cse24 (and .cse26 .cse22 .cse10 .cse11 .cse23) .cse5 .cse13) (or .cse27 .cse5 .cse28) (or .cse9 .cse16 .cse24 .cse5 .cse29 .cse13) (or .cse25 (or .cse9 .cse16 .cse2 .cse24 .cse5)) (or .cse9 .cse27 .cse12 .cse5 .cse13) (or .cse6 .cse18 (or (not .cse9) .cse17 .cse1 .cse2 .cse20 (not (= 0 |old(~a17~0)|)) .cse4)) (or (= 4 |old(~a16~0)|) .cse2 .cse30 .cse31 .cse12) (or .cse9 .cse31 (not (= |old(~a20~0)| 1)) .cse19) (or .cse0 .cse1 .cse16 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (or .cse9 .cse1 .cse2 .cse3 .cse4 .cse6 (and .cse23 .cse18 .cse21 .cse22 .cse11 .cse32) .cse7 .cse8) (or .cse6 (or .cse17 .cse1 .cse20 (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse4 .cse8) .cse18) (or .cse31 .cse30 .cse13) (or .cse2 .cse5 .cse15 .cse28))))) [2018-11-18 17:34:49,107 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 17:34:49,107 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,107 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,107 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,107 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 17:34:49,108 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 17:34:49,109 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-18 17:34:49,110 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:34:49,110 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:34:49,110 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-18 17:34:49,111 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 17:34:49,111 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= ~a17~0 1)) (.cse6 (= ~a21~0 1))) (let ((.cse2 (not (= ~a16~0 0))) (.cse3 (not (= main_~input~0 0))) (.cse4 (not (= ~a8~0 0))) (.cse8 (= ~a20~0 1)) (.cse1 (<= ~a20~0 0)) (.cse14 (<= ~a17~0 0)) (.cse10 (not .cse6)) (.cse9 (<= ~a8~0 13)) (.cse11 (= 1 ~a7~0)) (.cse7 (not (= ~a16~0 6))) (.cse13 (= 1 ~a20~0)) (.cse15 (not .cse5)) (.cse0 (not (= ~a8~0 13))) (.cse12 (not (= ~a16~0 4)))) (or (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 (= ~a7~0 |old(~a7~0)|) .cse7) (and .cse10 .cse11 .cse7 .cse1) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (<= ~a8~0 |old(~a8~0)|) .cse11 (<= 15 ~a8~0)) (and .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8) (and .cse2 .cse11 .cse3 .cse4 .cse6 .cse8 .cse0 .cse12) (and .cse10 .cse11 .cse13 .cse14) (and .cse7 .cse15 .cse1) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse13 .cse7 .cse14) (not (= 15 |old(~a8~0)|)) (and .cse10 .cse9 .cse11 .cse13 .cse7) (and .cse13 .cse15 .cse0 .cse12)))) [2018-11-18 17:34:49,111 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 17:34:49,111 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 17:34:49,111 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 17:34:49,111 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse8 (= ~a17~0 1)) (.cse9 (= ~a21~0 1))) (let ((.cse1 (<= ~a20~0 0)) (.cse6 (not (= ~a16~0 0))) (.cse7 (not (= ~a8~0 0))) (.cse10 (= ~a20~0 1)) (.cse12 (<= ~a17~0 0)) (.cse4 (not .cse9)) (.cse2 (<= ~a8~0 13)) (.cse5 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse11 (= 1 ~a20~0)) (.cse13 (not .cse8)) (.cse0 (not (= ~a8~0 13))) (.cse14 (not (= ~a16~0 4)))) (or (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 (= ~a7~0 |old(~a7~0)|) .cse3) (and .cse4 .cse5 .cse3 .cse1) (and .cse2 .cse6 .cse7 .cse8 .cse9 .cse10) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (<= ~a8~0 |old(~a8~0)|) .cse5 (<= 15 ~a8~0)) (and .cse6 .cse7 .cse8 .cse9 .cse3 .cse10) (and .cse4 .cse5 .cse11 .cse12) (and .cse3 .cse13 .cse1) (not (= 0 |old(~a7~0)|)) (and .cse6 .cse5 .cse7 .cse9 .cse10 .cse0 .cse14) (not (= 1 |old(~a17~0)|)) (and .cse11 .cse3 .cse12) (not (= 15 |old(~a8~0)|)) (and .cse4 .cse2 .cse5 .cse11 .cse3) (and .cse11 .cse13 .cse0 .cse14)))) [2018-11-18 17:34:49,111 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 17:34:49,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:34:49 BoogieIcfgContainer [2018-11-18 17:34:49,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:34:49,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:34:49,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:34:49,125 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:34:49,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:34:21" (3/4) ... [2018-11-18 17:34:49,127 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:34:49,131 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:34:49,131 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:34:49,131 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:34:49,138 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:34:49,138 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:34:49,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(a8 == 13) && a20 <= 0) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a21))) || !(8 == a12)) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6)) && a20 == 1)) || (((!(a21 == 1) && 1 == a7) && 1 == a20) && a17 <= 0)) || ((!(a16 == 6) && !(a17 == 1)) && a20 <= 0)) || !(0 == \old(a7))) || ((((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a21 == 1) && a20 == 1) && !(a8 == 13)) && !(a16 == 4))) || !(1 == \old(a17))) || ((1 == a20 && !(a16 == 6)) && a17 <= 0)) || !(15 == \old(a8))) || ((((!(a21 == 1) && a8 <= 13) && 1 == a7) && 1 == a20) && !(a16 == 6))) || (((1 == a20 && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4)) [2018-11-18 17:34:49,216 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_20421735-86a0-4d6e-90e0-39485a92b572/bin-2019/utaipan/witness.graphml [2018-11-18 17:34:49,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:34:49,217 INFO L168 Benchmark]: Toolchain (without parser) took 29221.38 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 951.1 MB in the beginning and 1.7 GB in the end (delta: -794.5 MB). Peak memory consumption was 809.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:34:49,217 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:34:49,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.10 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:34:49,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -249.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:34:49,218 INFO L168 Benchmark]: Boogie Preprocessor took 60.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:34:49,218 INFO L168 Benchmark]: RCFGBuilder took 987.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:34:49,218 INFO L168 Benchmark]: TraceAbstraction took 27568.45 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -689.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 17:34:49,218 INFO L168 Benchmark]: Witness Printer took 91.39 ms. Allocated memory is still 2.6 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 96.5 kB). Peak memory consumption was 96.5 kB. Max. memory is 11.5 GB. [2018-11-18 17:34:49,220 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 415.10 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -249.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 987.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27568.45 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -689.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 91.39 ms. Allocated memory is still 2.6 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 96.5 kB). Peak memory consumption was 96.5 kB. 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: ((((((((((((((((((!(a8 == 13) && a20 <= 0) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a21))) || !(8 == a12)) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6)) && a20 == 1)) || (((!(a21 == 1) && 1 == a7) && 1 == a20) && a17 <= 0)) || ((!(a16 == 6) && !(a17 == 1)) && a20 <= 0)) || !(0 == \old(a7))) || ((((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a21 == 1) && a20 == 1) && !(a8 == 13)) && !(a16 == 4))) || !(1 == \old(a17))) || ((1 == a20 && !(a16 == 6)) && a17 <= 0)) || !(15 == \old(a8))) || ((((!(a21 == 1) && a8 <= 13) && 1 == a7) && 1 == a20) && !(a16 == 6))) || (((1 == a20 && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 27.5s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 17.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1516 SDtfs, 12073 SDslu, 2034 SDs, 0 SdLazy, 13655 SolverSat, 2853 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2309 GetRequests, 2136 SyntacticMatches, 7 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8985occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9968656940635875 AbsIntWeakeningRatio, 0.23828920570264767 AbsIntAvgWeakeningVarsNumRemoved, 28.39511201629328 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 585 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 490 PreInvPairs, 940 NumberOfFragments, 1114 HoareAnnotationTreeSize, 490 FomulaSimplifications, 20296 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24224 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2561 NumberOfCodeBlocks, 2494 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3349 ConstructedInterpolants, 0 QuantifiedInterpolants, 1172995 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2190 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 2231/2540 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...