./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/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 05d2a3ff1add36607a16806c355c4adc86a8978e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:17:16,602 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:17:16,603 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:17:16,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:17:16,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:17:16,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:17:16,612 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:17:16,613 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:17:16,614 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:17:16,614 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:17:16,615 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:17:16,615 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:17:16,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:17:16,616 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:17:16,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:17:16,617 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:17:16,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:17:16,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:17:16,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:17:16,621 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:17:16,622 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:17:16,623 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:17:16,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:17:16,625 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:17:16,625 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:17:16,625 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:17:16,626 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:17:16,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:17:16,627 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:17:16,628 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:17:16,628 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:17:16,629 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:17:16,629 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:17:16,629 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:17:16,630 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:17:16,630 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:17:16,630 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:17:16,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:17:16,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:17:16,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:17:16,641 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:17:16,641 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:17:16,641 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:17:16,641 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:17:16,641 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:17:16,641 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:17:16,641 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:17:16,641 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:17:16,642 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:17:16,642 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:17:16,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:17:16,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:17:16,642 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:17:16,642 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:17:16,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:17:16,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:17:16,643 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:17:16,643 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:17:16,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:17:16,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:17:16,643 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:17:16,643 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:17:16,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:17:16,644 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:17:16,644 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:17:16,644 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:17:16,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:17:16,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:17:16,644 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:17:16,644 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:17:16,645 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:17:16,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:17:16,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:17:16,645 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:17:16,645 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_7587d7d4-b048-42f3-9441-2999cbb5701a/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 -> 05d2a3ff1add36607a16806c355c4adc86a8978e [2018-11-23 03:17:16,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:17:16,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:17:16,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:17:16,678 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:17:16,678 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:17:16,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-11-23 03:17:16,718 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/data/0dd267ac7/b68f406a82d24f51afae155c77ad1c09/FLAG67745edae [2018-11-23 03:17:17,177 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:17:17,178 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-11-23 03:17:17,186 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/data/0dd267ac7/b68f406a82d24f51afae155c77ad1c09/FLAG67745edae [2018-11-23 03:17:17,696 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/data/0dd267ac7/b68f406a82d24f51afae155c77ad1c09 [2018-11-23 03:17:17,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:17:17,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:17:17,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:17:17,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:17:17,703 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:17:17,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:17" (1/1) ... [2018-11-23 03:17:17,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e5f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:17, skipping insertion in model container [2018-11-23 03:17:17,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:17" (1/1) ... [2018-11-23 03:17:17,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:17:17,744 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:17:17,974 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:17:17,978 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:17:18,048 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:17:18,061 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:17:18,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18 WrapperNode [2018-11-23 03:17:18,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:17:18,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:17:18,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:17:18,062 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:17:18,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... [2018-11-23 03:17:18,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... [2018-11-23 03:17:18,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:17:18,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:17:18,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:17:18,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:17:18,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... [2018-11-23 03:17:18,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... [2018-11-23 03:17:18,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... [2018-11-23 03:17:18,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... [2018-11-23 03:17:18,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... [2018-11-23 03:17:18,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... [2018-11-23 03:17:18,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... [2018-11-23 03:17:18,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:17:18,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:17:18,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:17:18,193 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:17:18,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/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 [2018-11-23 03:17:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 03:17:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:17:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:17:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 03:17:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 03:17:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:17:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:17:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:17:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:17:19,078 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:17:19,078 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 03:17:19,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:19 BoogieIcfgContainer [2018-11-23 03:17:19,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:17:19,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:17:19,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:17:19,082 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:17:19,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:17:17" (1/3) ... [2018-11-23 03:17:19,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a34da5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:19, skipping insertion in model container [2018-11-23 03:17:19,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:18" (2/3) ... [2018-11-23 03:17:19,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a34da5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:19, skipping insertion in model container [2018-11-23 03:17:19,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:19" (3/3) ... [2018-11-23 03:17:19,084 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label52_true-unreach-call_false-termination.c [2018-11-23 03:17:19,092 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:17:19,099 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:17:19,111 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:17:19,137 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:17:19,137 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:17:19,138 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:17:19,138 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:17:19,138 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:17:19,138 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:17:19,138 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:17:19,138 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:17:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 03:17:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 03:17:19,164 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:17:19,165 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:17:19,167 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:17:19,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:19,172 INFO L82 PathProgramCache]: Analyzing trace with hash -421627906, now seen corresponding path program 1 times [2018-11-23 03:17:19,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:17:19,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:19,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:19,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:19,211 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:17:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:17:19,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:17:19,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:17:19,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:17:19,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:17:19,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:17:19,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:17:19,525 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 03:17:20,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:17:20,064 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 03:17:20,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:17:20,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-11-23 03:17:20,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:17:20,074 INFO L225 Difference]: With dead ends: 547 [2018-11-23 03:17:20,074 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 03:17:20,077 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:17:20,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 03:17:20,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 03:17:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 03:17:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 567 transitions. [2018-11-23 03:17:20,117 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 567 transitions. Word has length 132 [2018-11-23 03:17:20,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:17:20,118 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 567 transitions. [2018-11-23 03:17:20,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:17:20,118 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 567 transitions. [2018-11-23 03:17:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 03:17:20,121 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:17:20,121 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:17:20,121 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:17:20,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:20,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1878869349, now seen corresponding path program 1 times [2018-11-23 03:17:20,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:17:20,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:20,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:20,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:20,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:17:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:17:20,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:17:20,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:17:20,226 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:17:20,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:17:20,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:17:20,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:17:20,228 INFO L87 Difference]: Start difference. First operand 338 states and 567 transitions. Second operand 5 states. [2018-11-23 03:17:20,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:17:20,831 INFO L93 Difference]: Finished difference Result 1071 states and 1880 transitions. [2018-11-23 03:17:20,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:17:20,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-23 03:17:20,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:17:20,836 INFO L225 Difference]: With dead ends: 1071 [2018-11-23 03:17:20,836 INFO L226 Difference]: Without dead ends: 739 [2018-11-23 03:17:20,839 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:17:20,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-23 03:17:20,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 729. [2018-11-23 03:17:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-23 03:17:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1159 transitions. [2018-11-23 03:17:20,866 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1159 transitions. Word has length 141 [2018-11-23 03:17:20,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:17:20,867 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1159 transitions. [2018-11-23 03:17:20,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:17:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1159 transitions. [2018-11-23 03:17:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 03:17:20,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:17:20,871 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:17:20,871 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:17:20,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:20,871 INFO L82 PathProgramCache]: Analyzing trace with hash -260285342, now seen corresponding path program 1 times [2018-11-23 03:17:20,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:17:20,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:20,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:20,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:20,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:17:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:17:20,968 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:20,968 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:17:20,969 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 03:17:20,971 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [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], [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], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 03:17:21,002 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:17:21,002 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:17:21,566 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:17:21,568 INFO L272 AbstractInterpreter]: Visited 136 different actions 265 times. Merged at 3 different actions 3 times. Never widened. Performed 3574 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3574 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 03:17:21,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:21,590 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:17:21,923 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 82.15% of their original sizes. [2018-11-23 03:17:21,923 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:17:22,046 INFO L415 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-11-23 03:17:22,046 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:17:22,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:17:22,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 03:17:22,048 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:17:22,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:17:22,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:17:22,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:17:22,049 INFO L87 Difference]: Start difference. First operand 729 states and 1159 transitions. Second operand 10 states. [2018-11-23 03:17:26,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:17:26,574 INFO L93 Difference]: Finished difference Result 2780 states and 4480 transitions. [2018-11-23 03:17:26,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 03:17:26,574 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-11-23 03:17:26,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:17:26,582 INFO L225 Difference]: With dead ends: 2780 [2018-11-23 03:17:26,582 INFO L226 Difference]: Without dead ends: 2057 [2018-11-23 03:17:26,586 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 03:17:26,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2018-11-23 03:17:26,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2032. [2018-11-23 03:17:26,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2018-11-23 03:17:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2612 transitions. [2018-11-23 03:17:26,641 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2612 transitions. Word has length 152 [2018-11-23 03:17:26,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:17:26,641 INFO L480 AbstractCegarLoop]: Abstraction has 2032 states and 2612 transitions. [2018-11-23 03:17:26,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:17:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2612 transitions. [2018-11-23 03:17:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 03:17:26,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:17:26,647 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:17:26,647 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:17:26,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:26,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1396649996, now seen corresponding path program 1 times [2018-11-23 03:17:26,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:17:26,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:26,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:26,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:26,649 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:17:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:17:26,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:26,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:17:26,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-11-23 03:17:26,796 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [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], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 03:17:26,800 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:17:26,800 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:17:26,984 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:17:26,984 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 4 different actions 4 times. Never widened. Performed 3464 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3464 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 03:17:26,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:26,989 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:17:27,111 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 82.12% of their original sizes. [2018-11-23 03:17:27,111 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:17:27,167 INFO L415 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2018-11-23 03:17:27,167 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:17:27,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:17:27,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 03:17:27,167 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:17:27,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:17:27,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:17:27,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:17:27,168 INFO L87 Difference]: Start difference. First operand 2032 states and 2612 transitions. Second operand 10 states. [2018-11-23 03:17:30,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:17:30,115 INFO L93 Difference]: Finished difference Result 4062 states and 5290 transitions. [2018-11-23 03:17:30,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 03:17:30,115 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2018-11-23 03:17:30,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:17:30,120 INFO L225 Difference]: With dead ends: 4062 [2018-11-23 03:17:30,121 INFO L226 Difference]: Without dead ends: 2171 [2018-11-23 03:17:30,124 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 03:17:30,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2018-11-23 03:17:30,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2169. [2018-11-23 03:17:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2169 states. [2018-11-23 03:17:30,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2765 transitions. [2018-11-23 03:17:30,153 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2765 transitions. Word has length 159 [2018-11-23 03:17:30,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:17:30,153 INFO L480 AbstractCegarLoop]: Abstraction has 2169 states and 2765 transitions. [2018-11-23 03:17:30,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:17:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2765 transitions. [2018-11-23 03:17:30,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 03:17:30,156 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:17:30,156 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:17:30,157 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:17:30,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:30,157 INFO L82 PathProgramCache]: Analyzing trace with hash -295399917, now seen corresponding path program 1 times [2018-11-23 03:17:30,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:17:30,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:30,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:30,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:30,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:17:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 03:17:30,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:30,212 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:17:30,212 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-11-23 03:17:30,213 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [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], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 03:17:30,216 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:17:30,216 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:17:30,490 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:17:30,490 INFO L272 AbstractInterpreter]: Visited 138 different actions 546 times. Merged at 7 different actions 27 times. Never widened. Performed 7579 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7579 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 03:17:30,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:30,494 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:17:30,494 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:30,494 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/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 [2018-11-23 03:17:30,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:30,501 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:17:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:30,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:17:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 03:17:30,705 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:17:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 03:17:30,815 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:17:30,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 03:17:30,815 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:17:30,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 03:17:30,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 03:17:30,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:17:30,816 INFO L87 Difference]: Start difference. First operand 2169 states and 2765 transitions. Second operand 8 states. [2018-11-23 03:17:32,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:17:32,521 INFO L93 Difference]: Finished difference Result 7140 states and 9757 transitions. [2018-11-23 03:17:32,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 03:17:32,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2018-11-23 03:17:32,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:17:32,533 INFO L225 Difference]: With dead ends: 7140 [2018-11-23 03:17:32,533 INFO L226 Difference]: Without dead ends: 2970 [2018-11-23 03:17:32,550 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-23 03:17:32,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2018-11-23 03:17:32,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 2916. [2018-11-23 03:17:32,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2916 states. [2018-11-23 03:17:32,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3465 transitions. [2018-11-23 03:17:32,615 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3465 transitions. Word has length 170 [2018-11-23 03:17:32,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:17:32,615 INFO L480 AbstractCegarLoop]: Abstraction has 2916 states and 3465 transitions. [2018-11-23 03:17:32,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 03:17:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3465 transitions. [2018-11-23 03:17:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 03:17:32,622 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:17:32,622 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:17:32,622 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:17:32,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:32,622 INFO L82 PathProgramCache]: Analyzing trace with hash 816954183, now seen corresponding path program 1 times [2018-11-23 03:17:32,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:17:32,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:32,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:32,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:32,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:17:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 03:17:32,725 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:32,725 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:17:32,725 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-11-23 03:17:32,726 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [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], [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], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 03:17:32,729 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:17:32,729 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:17:32,884 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:17:32,884 INFO L272 AbstractInterpreter]: Visited 137 different actions 268 times. Merged at 4 different actions 4 times. Never widened. Performed 3549 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3549 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 03:17:32,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:32,885 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:17:33,047 INFO L227 lantSequenceWeakener]: Weakened 194 states. On average, predicates are now at 82% of their original sizes. [2018-11-23 03:17:33,047 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:17:33,099 INFO L415 sIntCurrentIteration]: We unified 196 AI predicates to 196 [2018-11-23 03:17:33,099 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:17:33,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:17:33,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 03:17:33,099 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:17:33,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:17:33,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:17:33,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:17:33,100 INFO L87 Difference]: Start difference. First operand 2916 states and 3465 transitions. Second operand 10 states. [2018-11-23 03:17:35,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:17:35,814 INFO L93 Difference]: Finished difference Result 6011 states and 7175 transitions. [2018-11-23 03:17:35,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 03:17:35,814 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 197 [2018-11-23 03:17:35,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:17:35,821 INFO L225 Difference]: With dead ends: 6011 [2018-11-23 03:17:35,821 INFO L226 Difference]: Without dead ends: 3373 [2018-11-23 03:17:35,824 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:17:35,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3373 states. [2018-11-23 03:17:35,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3373 to 3371. [2018-11-23 03:17:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3371 states. [2018-11-23 03:17:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 3949 transitions. [2018-11-23 03:17:35,861 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 3949 transitions. Word has length 197 [2018-11-23 03:17:35,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:17:35,861 INFO L480 AbstractCegarLoop]: Abstraction has 3371 states and 3949 transitions. [2018-11-23 03:17:35,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:17:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 3949 transitions. [2018-11-23 03:17:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-23 03:17:35,866 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:17:35,866 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:17:35,866 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:17:35,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:35,867 INFO L82 PathProgramCache]: Analyzing trace with hash 145649996, now seen corresponding path program 1 times [2018-11-23 03:17:35,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:17:35,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:35,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:35,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:35,867 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:17:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 03:17:35,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:35,960 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:17:35,960 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-11-23 03:17:35,960 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], [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], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 03:17:35,962 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:17:35,962 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:17:36,239 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:17:36,239 INFO L272 AbstractInterpreter]: Visited 139 different actions 552 times. Merged at 8 different actions 29 times. Never widened. Performed 7702 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7702 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 03:17:36,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:36,245 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:17:36,245 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:36,246 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/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 [2018-11-23 03:17:36,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:36,251 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:17:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:36,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:17:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 03:17:36,338 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:17:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 03:17:36,399 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:17:36,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 03:17:36,399 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:17:36,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 03:17:36,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 03:17:36,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:17:36,400 INFO L87 Difference]: Start difference. First operand 3371 states and 3949 transitions. Second operand 11 states. [2018-11-23 03:17:37,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:17:37,792 INFO L93 Difference]: Finished difference Result 11012 states and 13812 transitions. [2018-11-23 03:17:37,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 03:17:37,792 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2018-11-23 03:17:37,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:17:37,818 INFO L225 Difference]: With dead ends: 11012 [2018-11-23 03:17:37,818 INFO L226 Difference]: Without dead ends: 8237 [2018-11-23 03:17:37,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 413 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-23 03:17:37,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8237 states. [2018-11-23 03:17:38,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8237 to 8207. [2018-11-23 03:17:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8207 states. [2018-11-23 03:17:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8207 states to 8207 states and 9878 transitions. [2018-11-23 03:17:38,085 INFO L78 Accepts]: Start accepts. Automaton has 8207 states and 9878 transitions. Word has length 205 [2018-11-23 03:17:38,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:17:38,086 INFO L480 AbstractCegarLoop]: Abstraction has 8207 states and 9878 transitions. [2018-11-23 03:17:38,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 03:17:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 8207 states and 9878 transitions. [2018-11-23 03:17:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-23 03:17:38,104 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:17:38,104 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:17:38,104 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:17:38,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:38,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1003340765, now seen corresponding path program 1 times [2018-11-23 03:17:38,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:17:38,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:38,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:38,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:38,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:17:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 90 proven. 50 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 03:17:38,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:38,250 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:17:38,251 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-23 03:17:38,251 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [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], [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], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 03:17:38,253 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:17:38,253 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:17:38,558 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:17:38,559 INFO L272 AbstractInterpreter]: Visited 140 different actions 561 times. Merged at 9 different actions 34 times. Never widened. Performed 7854 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7854 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 03:17:38,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:38,561 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:17:38,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:38,562 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/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 [2018-11-23 03:17:38,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:38,568 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:17:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:38,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:17:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 03:17:38,670 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:17:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 95 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 03:17:38,754 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:17:38,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-23 03:17:38,754 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:17:38,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 03:17:38,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 03:17:38,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-23 03:17:38,755 INFO L87 Difference]: Start difference. First operand 8207 states and 9878 transitions. Second operand 12 states. [2018-11-23 03:17:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:17:41,381 INFO L93 Difference]: Finished difference Result 25252 states and 32797 transitions. [2018-11-23 03:17:41,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-23 03:17:41,382 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 224 [2018-11-23 03:17:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:17:41,419 INFO L225 Difference]: With dead ends: 25252 [2018-11-23 03:17:41,419 INFO L226 Difference]: Without dead ends: 16969 [2018-11-23 03:17:41,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 481 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 03:17:41,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16969 states. [2018-11-23 03:17:41,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16969 to 16370. [2018-11-23 03:17:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16370 states. [2018-11-23 03:17:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16370 states to 16370 states and 20302 transitions. [2018-11-23 03:17:41,664 INFO L78 Accepts]: Start accepts. Automaton has 16370 states and 20302 transitions. Word has length 224 [2018-11-23 03:17:41,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:17:41,664 INFO L480 AbstractCegarLoop]: Abstraction has 16370 states and 20302 transitions. [2018-11-23 03:17:41,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 03:17:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 16370 states and 20302 transitions. [2018-11-23 03:17:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-23 03:17:41,683 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:17:41,684 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:17:41,684 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:17:41,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:41,684 INFO L82 PathProgramCache]: Analyzing trace with hash 198414137, now seen corresponding path program 1 times [2018-11-23 03:17:41,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:17:41,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:41,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:41,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:17:41,685 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:17:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 114 proven. 53 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 03:17:41,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:41,794 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:17:41,794 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-11-23 03:17:41,794 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [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], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 03:17:41,796 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:17:41,796 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:17:42,131 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:17:42,131 INFO L272 AbstractInterpreter]: Visited 140 different actions 692 times. Merged at 9 different actions 36 times. Never widened. Performed 9632 root evaluator evaluations with a maximum evaluation depth of 3. Performed 9632 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 03:17:42,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:17:42,134 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:17:42,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:17:42,134 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/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 [2018-11-23 03:17:42,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:17:42,141 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:17:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:17:42,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:17:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-23 03:17:42,258 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:17:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-23 03:17:42,335 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:17:42,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-23 03:17:42,335 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:17:42,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:17:42,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:17:42,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:17:42,336 INFO L87 Difference]: Start difference. First operand 16370 states and 20302 transitions. Second operand 3 states. [2018-11-23 03:17:42,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:17:42,715 INFO L93 Difference]: Finished difference Result 27978 states and 34618 transitions. [2018-11-23 03:17:42,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:17:42,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-11-23 03:17:42,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:17:42,716 INFO L225 Difference]: With dead ends: 27978 [2018-11-23 03:17:42,716 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:17:42,764 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 466 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:17:42,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:17:42,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:17:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:17:42,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:17:42,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2018-11-23 03:17:42,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:17:42,765 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:17:42,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:17:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:17:42,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:17:42,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:17:43,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,288 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 91 [2018-11-23 03:17:43,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:17:43,565 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 115 [2018-11-23 03:17:44,929 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 334 DAG size of output: 113 [2018-11-23 03:17:45,196 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2018-11-23 03:17:45,443 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 68 [2018-11-23 03:17:45,444 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|)) [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 03:17:45,445 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,446 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 03:17:45,447 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,448 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,449 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 03:17:45,450 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 03:17:45,451 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse31 (= ~a16~0 6)) (.cse25 (= 1 |old(~a20~0)|)) (.cse1 (= 1 |old(~a17~0)|)) (.cse21 (= ~a7~0 |old(~a7~0)|)) (.cse27 (= 1 ~a7~0)) (.cse22 (= |old(~a8~0)| ~a8~0)) (.cse23 (= |old(~a20~0)| ~a20~0)) (.cse24 (= ~a17~0 |old(~a17~0)|))) (let ((.cse14 (and .cse27 .cse22 .cse23 .cse24)) (.cse7 (< 0 |old(~a17~0)|)) (.cse0 (and .cse21 .cse22 .cse23 .cse24)) (.cse28 (= ~a17~0 1)) (.cse16 (not (= 1 |old(~a7~0)|))) (.cse2 (< |old(~a8~0)| 15)) (.cse11 (not (= ~a16~0 0))) (.cse29 (= ~a20~0 1)) (.cse13 (= 0 |old(~a16~0)|)) (.cse30 (= 0 |old(~a8~0)|)) (.cse26 (and .cse23 .cse24)) (.cse19 (= ~a16~0 5)) (.cse18 (not .cse1)) (.cse17 (not (= 5 |old(~a16~0)|))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse12 (= ~a21~0 1)) (.cse4 (not (= 0 |old(~a7~0)|))) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse9 (not .cse25)) (.cse10 (not (= 15 |old(~a8~0)|))) (.cse6 (not (= 8 ~a12~0))) (.cse3 (= 6 |old(~a16~0)|)) (.cse15 (< 13 |old(~a8~0)|)) (.cse20 (not .cse31))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (and .cse11 .cse12) .cse13) (or .cse14 .cse15 (< |old(~a20~0)| 1) .cse16 .cse7) (or .cse8 (or .cse4 .cse5 .cse10 (not (= 0 |old(~a20~0)|)) .cse17 .cse6 .cse18) (and .cse12 .cse19)) (or .cse14 (not (= |old(~a20~0)| 1)) .cse16 .cse7) (or (= ~a16~0 4) (or .cse5 .cse9 (not (= 4 |old(~a16~0)|)) (not (= 13 |old(~a8~0)|))) .cse6 .cse16 .cse8 .cse18) (or .cse0 .cse2 (< 0 |old(~a20~0)|)) (or .cse3 .cse20 .cse16 .cse2) (or .cse3 (and .cse21 .cse22 .cse23 .cse24 .cse20) .cse7) (or .cse3 .cse25 .cse2 .cse0) (or .cse3 .cse20 .cse25 .cse2) (or .cse3 .cse15 .cse26 .cse16) (or .cse5 .cse9 .cse13 .cse6 (and .cse11 .cse27 .cse22 .cse28 .cse12 .cse29) .cse16 .cse8 .cse30 .cse18) (or .cse5 .cse15 .cse9 .cse13 .cse6 (and .cse21 .cse11 .cse22 .cse28 .cse12 .cse29) .cse8 .cse30 .cse18) (or .cse16 (and .cse27 .cse22) .cse2) (or .cse3 .cse5 .cse9 (and .cse11 .cse12 .cse21 .cse22 .cse24 .cse20 .cse29) .cse13 .cse6 .cse8 .cse30 .cse18) (or .cse26 .cse3 .cse15 .cse1 .cse25) (or .cse4 .cse5 .cse6 .cse19 .cse8 .cse18 .cse9 .cse10 .cse17) (or .cse8 (and .cse12 .cse31) (or (not .cse3) .cse4 .cse5 .cse9 .cse10 (not (= 0 |old(~a17~0)|)) .cse6)) (or .cse3 .cse15 (and .cse21 .cse22 .cse20))))) [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 03:17:45,452 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 03:17:45,453 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L444 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)) [2018-11-23 03:17:45,454 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:17:45,454 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (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(~a17~0)|))) [2018-11-23 03:17:45,454 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 03:17:45,455 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse9 (= ~a17~0 1)) (.cse11 (= ~a20~0 1))) (let ((.cse0 (not .cse11)) (.cse1 (<= 15 ~a8~0)) (.cse4 (not .cse9)) (.cse5 (= 1 ~a7~0)) (.cse12 (<= ~a17~0 0)) (.cse3 (<= ~a8~0 13)) (.cse6 (not (= ~a16~0 0))) (.cse7 (not (= main_~input~0 0))) (.cse8 (not (= ~a8~0 0))) (.cse10 (= ~a21~0 1)) (.cse2 (not (= ~a16~0 6)))) (or (and .cse0 .cse1 .cse2) (not (= 1 |old(~a21~0)|)) (and .cse3 .cse0 .cse2 .cse4) (and (<= ~a8~0 |old(~a8~0)|) .cse5 .cse1) (and .cse3 .cse5 .cse2) (not (= 8 ~a12~0)) (and .cse1 (<= ~a20~0 0)) (and .cse1 .cse4) (and .cse3 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse2 .cse12) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse6 .cse5 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse5 (= |old(~a20~0)| ~a20~0) .cse12) (not (= 0 |old(~a7~0)|)) (and .cse3 .cse5 .cse12 (<= 1 ~a20~0)) (and .cse3 (= ~a7~0 |old(~a7~0)|) .cse2) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse2 .cse11)))) [2018-11-23 03:17:45,455 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 03:17:45,455 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 03:17:45,455 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse11 (= ~a20~0 1)) (.cse9 (= ~a17~0 1))) (let ((.cse3 (not .cse9)) (.cse1 (not .cse11)) (.cse4 (<= 15 ~a8~0)) (.cse2 (not (= ~a16~0 6))) (.cse0 (<= ~a8~0 13)) (.cse5 (<= ~a17~0 0)) (.cse7 (not (= ~a16~0 0))) (.cse6 (= 1 ~a7~0)) (.cse8 (not (= ~a8~0 0))) (.cse10 (= ~a21~0 1))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and .cse4 (<= ~a20~0 0)) (and .cse4 .cse3) (and .cse2 .cse5) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse6 .cse5 (<= 1 ~a20~0)) (and .cse0 (= ~a7~0 |old(~a7~0)|) .cse2) (and .cse1 .cse4 .cse2) (and (<= ~a8~0 |old(~a8~0)|) .cse6 .cse4) (and .cse0 .cse6 .cse2) (and .cse7 .cse8 .cse9 .cse10 .cse2 .cse11) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse6 (= |old(~a20~0)| ~a20~0) .cse5) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse7 .cse6 .cse8 .cse9 .cse10 .cse11) (not (= 15 |old(~a8~0)|))))) [2018-11-23 03:17:45,455 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 03:17:45,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:17:45 BoogieIcfgContainer [2018-11-23 03:17:45,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:17:45,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:17:45,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:17:45,469 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:17:45,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:19" (3/4) ... [2018-11-23 03:17:45,475 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:17:45,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:17:45,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 03:17:45,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:17:45,487 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 03:17:45,487 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 03:17:45,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(1 == \old(a21)) || (((a8 <= 13 && !(a20 == 1)) && !(a16 == 6)) && !(a17 == 1))) || !(8 == a12)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || (!(a16 == 6) && a17 <= 0)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((a8 <= 13 && 1 == a7) && !(a16 == 6))) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6)) && a20 == 1)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || ((1 == a7 && \old(a20) == a20) && a17 <= 0)) || !(0 == \old(a7))) || !(1 == \old(a17))) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(15 == \old(a8)) [2018-11-23 03:17:45,565 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7587d7d4-b048-42f3-9441-2999cbb5701a/bin-2019/utaipan/witness.graphml [2018-11-23 03:17:45,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:17:45,566 INFO L168 Benchmark]: Toolchain (without parser) took 27867.13 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 956.6 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 489.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:17:45,566 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:17:45,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.13 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:17:45,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:17:45,567 INFO L168 Benchmark]: Boogie Preprocessor took 50.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:17:45,568 INFO L168 Benchmark]: RCFGBuilder took 885.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:17:45,568 INFO L168 Benchmark]: TraceAbstraction took 26385.96 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-23 03:17:45,568 INFO L168 Benchmark]: Witness Printer took 99.34 ms. Allocated memory is still 2.8 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 160.6 kB). Peak memory consumption was 160.6 kB. Max. memory is 11.5 GB. [2018-11-23 03:17:45,570 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.13 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 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 79.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 885.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26385.96 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 99.34 ms. Allocated memory is still 2.8 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 160.6 kB). Peak memory consumption was 160.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(1 == \old(a21)) || (((a8 <= 13 && !(a20 == 1)) && !(a16 == 6)) && !(a17 == 1))) || !(8 == a12)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || (!(a16 == 6) && a17 <= 0)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((a8 <= 13 && 1 == a7) && !(a16 == 6))) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6)) && a20 == 1)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || ((1 == a7 && \old(a20) == a20) && a17 <= 0)) || !(0 == \old(a7))) || !(1 == \old(a17))) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 26.3s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 17.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1183 SDtfs, 10697 SDslu, 2583 SDs, 0 SdLazy, 15646 SolverSat, 2959 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2369 GetRequests, 2201 SyntacticMatches, 8 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16370occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9972562967747833 AbsIntWeakeningRatio, 0.2198019801980198 AbsIntAvgWeakeningVarsNumRemoved, 29.447524752475246 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 722 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 467 PreInvPairs, 905 NumberOfFragments, 1095 HoareAnnotationTreeSize, 467 FomulaSimplifications, 22213 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8059 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2445 NumberOfCodeBlocks, 2445 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3260 ConstructedInterpolants, 0 QuantifiedInterpolants, 1225908 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2445 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 1597/1806 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...