./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_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_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f9a2fcb1012f2ff72c6593976c4936a90359f50 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:20:21,114 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:20:21,115 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:20:21,124 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:20:21,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:20:21,125 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:20:21,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:20:21,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:20:21,128 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:20:21,128 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:20:21,129 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:20:21,129 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:20:21,130 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:20:21,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:20:21,131 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:20:21,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:20:21,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:20:21,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:20:21,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:20:21,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:20:21,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:20:21,137 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:20:21,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:20:21,138 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:20:21,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:20:21,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:20:21,140 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:20:21,140 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:20:21,141 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:20:21,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:20:21,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:20:21,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:20:21,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:20:21,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:20:21,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:20:21,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:20:21,143 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:20:21,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:20:21,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:20:21,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:20:21,154 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:20:21,154 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:20:21,154 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:20:21,155 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:20:21,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:20:21,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:20:21,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:20:21,155 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:20:21,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:20:21,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:20:21,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:20:21,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:20:21,156 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:20:21,156 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:20:21,156 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:20:21,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:20:21,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:20:21,157 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:20:21,157 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:20:21,157 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:20:21,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:20:21,157 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:20:21,157 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:20:21,157 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:20:21,157 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:20:21,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:20:21,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:20:21,158 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f9a2fcb1012f2ff72c6593976c4936a90359f50 [2018-11-23 15:20:21,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:20:21,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:20:21,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:20:21,188 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:20:21,188 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:20:21,188 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-23 15:20:21,226 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/data/0400f6d17/cd7c530708e54343a38d3c0d0e54c3c6/FLAGcca87f6c1 [2018-11-23 15:20:21,691 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:20:21,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-23 15:20:21,700 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/data/0400f6d17/cd7c530708e54343a38d3c0d0e54c3c6/FLAGcca87f6c1 [2018-11-23 15:20:22,208 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/data/0400f6d17/cd7c530708e54343a38d3c0d0e54c3c6 [2018-11-23 15:20:22,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:20:22,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:20:22,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:20:22,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:20:22,214 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:20:22,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735eaee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22, skipping insertion in model container [2018-11-23 15:20:22,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:20:22,259 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:20:22,518 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:20:22,521 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:20:22,604 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:20:22,614 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:20:22,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22 WrapperNode [2018-11-23 15:20:22,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:20:22,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:20:22,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:20:22,615 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:20:22,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:20:22,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:20:22,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:20:22,697 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:20:22,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... [2018-11-23 15:20:22,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:20:22,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:20:22,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:20:22,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:20:22,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:20:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:20:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:20:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:20:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 15:20:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 15:20:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:20:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:20:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:20:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:20:23,999 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:20:24,000 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 15:20:24,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:24 BoogieIcfgContainer [2018-11-23 15:20:24,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:20:24,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:20:24,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:20:24,003 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:20:24,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:20:22" (1/3) ... [2018-11-23 15:20:24,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578467dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:24, skipping insertion in model container [2018-11-23 15:20:24,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22" (2/3) ... [2018-11-23 15:20:24,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578467dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:24, skipping insertion in model container [2018-11-23 15:20:24,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:24" (3/3) ... [2018-11-23 15:20:24,006 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07_true-unreach-call_false-termination.c [2018-11-23 15:20:24,015 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:20:24,021 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:20:24,035 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:20:24,059 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:20:24,060 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:20:24,060 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:20:24,060 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:20:24,061 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:20:24,061 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:20:24,061 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:20:24,061 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:20:24,061 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:20:24,080 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 15:20:24,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 15:20:24,087 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:24,087 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] [2018-11-23 15:20:24,089 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:24,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:24,093 INFO L82 PathProgramCache]: Analyzing trace with hash 844393866, now seen corresponding path program 1 times [2018-11-23 15:20:24,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:24,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:24,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:24,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:24,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:24,321 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 15:20:24,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:20:24,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:20:24,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:20:24,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:20:24,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:20:24,342 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-11-23 15:20:25,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:25,387 INFO L93 Difference]: Finished difference Result 890 states and 1606 transitions. [2018-11-23 15:20:25,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:20:25,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-11-23 15:20:25,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:25,398 INFO L225 Difference]: With dead ends: 890 [2018-11-23 15:20:25,398 INFO L226 Difference]: Without dead ends: 630 [2018-11-23 15:20:25,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:20:25,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-23 15:20:25,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 432. [2018-11-23 15:20:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-23 15:20:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 660 transitions. [2018-11-23 15:20:25,451 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 660 transitions. Word has length 53 [2018-11-23 15:20:25,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:25,451 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 660 transitions. [2018-11-23 15:20:25,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:20:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 660 transitions. [2018-11-23 15:20:25,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 15:20:25,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:25,456 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 15:20:25,456 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:25,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:25,457 INFO L82 PathProgramCache]: Analyzing trace with hash -678591331, now seen corresponding path program 1 times [2018-11-23 15:20:25,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:25,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:25,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:25,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:25,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:20:25,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:20:25,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:20:25,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:20:25,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:20:25,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:20:25,571 INFO L87 Difference]: Start difference. First operand 432 states and 660 transitions. Second operand 4 states. [2018-11-23 15:20:26,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:26,363 INFO L93 Difference]: Finished difference Result 1586 states and 2525 transitions. [2018-11-23 15:20:26,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:20:26,364 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-11-23 15:20:26,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:26,369 INFO L225 Difference]: With dead ends: 1586 [2018-11-23 15:20:26,370 INFO L226 Difference]: Without dead ends: 776 [2018-11-23 15:20:26,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:20:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2018-11-23 15:20:26,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2018-11-23 15:20:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2018-11-23 15:20:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1148 transitions. [2018-11-23 15:20:26,406 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1148 transitions. Word has length 136 [2018-11-23 15:20:26,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:26,407 INFO L480 AbstractCegarLoop]: Abstraction has 776 states and 1148 transitions. [2018-11-23 15:20:26,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:20:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1148 transitions. [2018-11-23 15:20:26,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-23 15:20:26,412 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:26,412 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 15:20:26,413 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:26,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:26,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1936926174, now seen corresponding path program 1 times [2018-11-23 15:20:26,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:26,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:26,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:26,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:26,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 15:20:26,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:20:26,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:20:26,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:20:26,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:20:26,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:20:26,568 INFO L87 Difference]: Start difference. First operand 776 states and 1148 transitions. Second operand 4 states. [2018-11-23 15:20:27,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:27,308 INFO L93 Difference]: Finished difference Result 3002 states and 4594 transitions. [2018-11-23 15:20:27,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:20:27,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2018-11-23 15:20:27,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:27,320 INFO L225 Difference]: With dead ends: 3002 [2018-11-23 15:20:27,320 INFO L226 Difference]: Without dead ends: 2232 [2018-11-23 15:20:27,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:20:27,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2232 states. [2018-11-23 15:20:27,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2232 to 2232. [2018-11-23 15:20:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2232 states. [2018-11-23 15:20:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 2232 states and 3137 transitions. [2018-11-23 15:20:27,366 INFO L78 Accepts]: Start accepts. Automaton has 2232 states and 3137 transitions. Word has length 221 [2018-11-23 15:20:27,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:27,366 INFO L480 AbstractCegarLoop]: Abstraction has 2232 states and 3137 transitions. [2018-11-23 15:20:27,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:20:27,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 3137 transitions. [2018-11-23 15:20:27,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-23 15:20:27,374 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:27,374 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:20:27,374 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:27,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:27,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1963321077, now seen corresponding path program 1 times [2018-11-23 15:20:27,375 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:27,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:27,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:27,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:27,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:27,662 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:20:27,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:20:27,662 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:20:27,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:27,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:20:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 15:20:27,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:20:27,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2018-11-23 15:20:27,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:20:27,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:20:27,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:20:27,982 INFO L87 Difference]: Start difference. First operand 2232 states and 3137 transitions. Second operand 10 states. [2018-11-23 15:20:30,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:30,945 INFO L93 Difference]: Finished difference Result 7978 states and 12322 transitions. [2018-11-23 15:20:30,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-23 15:20:30,946 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 316 [2018-11-23 15:20:30,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:30,988 INFO L225 Difference]: With dead ends: 7978 [2018-11-23 15:20:30,988 INFO L226 Difference]: Without dead ends: 5752 [2018-11-23 15:20:31,012 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 336 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=240, Invalid=816, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 15:20:31,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5752 states. [2018-11-23 15:20:31,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5752 to 5452. [2018-11-23 15:20:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5452 states. [2018-11-23 15:20:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5452 states to 5452 states and 7452 transitions. [2018-11-23 15:20:31,175 INFO L78 Accepts]: Start accepts. Automaton has 5452 states and 7452 transitions. Word has length 316 [2018-11-23 15:20:31,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:31,176 INFO L480 AbstractCegarLoop]: Abstraction has 5452 states and 7452 transitions. [2018-11-23 15:20:31,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:20:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 5452 states and 7452 transitions. [2018-11-23 15:20:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-23 15:20:31,195 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:31,196 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 15:20:31,196 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:31,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:31,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1749322399, now seen corresponding path program 1 times [2018-11-23 15:20:31,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:31,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:31,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:31,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:31,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 143 proven. 191 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 15:20:31,373 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:20:31,373 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:20:31,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:31,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:20:31,517 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 356 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 15:20:31,532 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:20:31,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 15:20:31,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:20:31,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:20:31,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:20:31,534 INFO L87 Difference]: Start difference. First operand 5452 states and 7452 transitions. Second operand 9 states. [2018-11-23 15:20:32,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:32,413 INFO L93 Difference]: Finished difference Result 11760 states and 16812 transitions. [2018-11-23 15:20:32,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:20:32,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 392 [2018-11-23 15:20:32,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:32,429 INFO L225 Difference]: With dead ends: 11760 [2018-11-23 15:20:32,430 INFO L226 Difference]: Without dead ends: 6314 [2018-11-23 15:20:32,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 395 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:20:32,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2018-11-23 15:20:32,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 5821. [2018-11-23 15:20:32,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5821 states. [2018-11-23 15:20:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5821 states to 5821 states and 7490 transitions. [2018-11-23 15:20:32,515 INFO L78 Accepts]: Start accepts. Automaton has 5821 states and 7490 transitions. Word has length 392 [2018-11-23 15:20:32,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:32,515 INFO L480 AbstractCegarLoop]: Abstraction has 5821 states and 7490 transitions. [2018-11-23 15:20:32,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:20:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 5821 states and 7490 transitions. [2018-11-23 15:20:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-23 15:20:32,527 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:32,527 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:20:32,527 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:32,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:32,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1345982802, now seen corresponding path program 1 times [2018-11-23 15:20:32,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:32,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:32,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:32,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:32,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 231 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:20:33,259 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:20:33,259 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:20:33,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:33,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:20:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-23 15:20:33,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:20:33,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-11-23 15:20:33,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 15:20:33,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 15:20:33,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-23 15:20:33,436 INFO L87 Difference]: Start difference. First operand 5821 states and 7490 transitions. Second operand 22 states. [2018-11-23 15:20:40,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:40,570 INFO L93 Difference]: Finished difference Result 16940 states and 23865 transitions. [2018-11-23 15:20:40,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-11-23 15:20:40,571 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 425 [2018-11-23 15:20:40,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:40,604 INFO L225 Difference]: With dead ends: 16940 [2018-11-23 15:20:40,605 INFO L226 Difference]: Without dead ends: 10459 [2018-11-23 15:20:40,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3566 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1792, Invalid=8714, Unknown=0, NotChecked=0, Total=10506 [2018-11-23 15:20:40,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10459 states. [2018-11-23 15:20:40,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10459 to 9921. [2018-11-23 15:20:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9921 states. [2018-11-23 15:20:40,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9921 states to 9921 states and 12100 transitions. [2018-11-23 15:20:40,831 INFO L78 Accepts]: Start accepts. Automaton has 9921 states and 12100 transitions. Word has length 425 [2018-11-23 15:20:40,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:40,831 INFO L480 AbstractCegarLoop]: Abstraction has 9921 states and 12100 transitions. [2018-11-23 15:20:40,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 15:20:40,831 INFO L276 IsEmpty]: Start isEmpty. Operand 9921 states and 12100 transitions. [2018-11-23 15:20:40,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2018-11-23 15:20:40,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:40,871 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 15:20:40,872 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:40,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:40,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1034685810, now seen corresponding path program 1 times [2018-11-23 15:20:40,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:40,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:40,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:40,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:40,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 324 proven. 570 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-11-23 15:20:41,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:20:41,848 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:20:41,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:41,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:20:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 959 proven. 2 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-23 15:20:42,295 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:20:42,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-11-23 15:20:42,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 15:20:42,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 15:20:42,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:20:42,296 INFO L87 Difference]: Start difference. First operand 9921 states and 12100 transitions. Second operand 17 states. [2018-11-23 15:20:46,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:46,380 INFO L93 Difference]: Finished difference Result 24063 states and 30301 transitions. [2018-11-23 15:20:46,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 15:20:46,381 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 679 [2018-11-23 15:20:46,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:46,407 INFO L225 Difference]: With dead ends: 24063 [2018-11-23 15:20:46,407 INFO L226 Difference]: Without dead ends: 13875 [2018-11-23 15:20:46,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=2805, Unknown=0, NotChecked=0, Total=3422 [2018-11-23 15:20:46,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13875 states. [2018-11-23 15:20:46,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13875 to 13250. [2018-11-23 15:20:46,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13250 states. [2018-11-23 15:20:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13250 states to 13250 states and 15203 transitions. [2018-11-23 15:20:46,669 INFO L78 Accepts]: Start accepts. Automaton has 13250 states and 15203 transitions. Word has length 679 [2018-11-23 15:20:46,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:46,670 INFO L480 AbstractCegarLoop]: Abstraction has 13250 states and 15203 transitions. [2018-11-23 15:20:46,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 15:20:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 13250 states and 15203 transitions. [2018-11-23 15:20:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2018-11-23 15:20:46,713 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:46,713 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:20:46,714 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:46,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:46,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2003215569, now seen corresponding path program 1 times [2018-11-23 15:20:46,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:46,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:46,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:46,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:46,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 640 proven. 228 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-11-23 15:20:47,191 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:20:47,191 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:20:47,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:47,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:20:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 1325 proven. 2 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-11-23 15:20:47,655 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:20:47,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 15:20:47,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:20:47,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:20:47,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:20:47,656 INFO L87 Difference]: Start difference. First operand 13250 states and 15203 transitions. Second operand 7 states. [2018-11-23 15:20:48,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:48,765 INFO L93 Difference]: Finished difference Result 34347 states and 45828 transitions. [2018-11-23 15:20:48,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 15:20:48,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 798 [2018-11-23 15:20:48,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:48,835 INFO L225 Difference]: With dead ends: 34347 [2018-11-23 15:20:48,835 INFO L226 Difference]: Without dead ends: 21285 [2018-11-23 15:20:48,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 803 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:20:48,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21285 states. [2018-11-23 15:20:49,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21285 to 20741. [2018-11-23 15:20:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20741 states. [2018-11-23 15:20:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20741 states to 20741 states and 24794 transitions. [2018-11-23 15:20:49,233 INFO L78 Accepts]: Start accepts. Automaton has 20741 states and 24794 transitions. Word has length 798 [2018-11-23 15:20:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:49,233 INFO L480 AbstractCegarLoop]: Abstraction has 20741 states and 24794 transitions. [2018-11-23 15:20:49,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:20:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 20741 states and 24794 transitions. [2018-11-23 15:20:49,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2018-11-23 15:20:49,310 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:49,311 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 15:20:49,311 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:49,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:49,311 INFO L82 PathProgramCache]: Analyzing trace with hash 2102422553, now seen corresponding path program 1 times [2018-11-23 15:20:49,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:49,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:49,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:49,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:49,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1916 backedges. 520 proven. 403 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2018-11-23 15:20:49,881 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:20:49,881 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:20:49,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:49,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:20:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1916 backedges. 1358 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2018-11-23 15:20:50,352 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:20:50,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-11-23 15:20:50,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:20:50,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:20:50,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:20:50,353 INFO L87 Difference]: Start difference. First operand 20741 states and 24794 transitions. Second operand 7 states. [2018-11-23 15:20:51,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:51,367 INFO L93 Difference]: Finished difference Result 40479 states and 48628 transitions. [2018-11-23 15:20:51,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 15:20:51,367 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 858 [2018-11-23 15:20:51,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:51,402 INFO L225 Difference]: With dead ends: 40479 [2018-11-23 15:20:51,402 INFO L226 Difference]: Without dead ends: 19926 [2018-11-23 15:20:51,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 878 GetRequests, 863 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-11-23 15:20:51,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19926 states. [2018-11-23 15:20:51,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19926 to 19617. [2018-11-23 15:20:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19617 states. [2018-11-23 15:20:51,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19617 states to 19617 states and 22133 transitions. [2018-11-23 15:20:51,701 INFO L78 Accepts]: Start accepts. Automaton has 19617 states and 22133 transitions. Word has length 858 [2018-11-23 15:20:51,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:51,702 INFO L480 AbstractCegarLoop]: Abstraction has 19617 states and 22133 transitions. [2018-11-23 15:20:51,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:20:51,702 INFO L276 IsEmpty]: Start isEmpty. Operand 19617 states and 22133 transitions. [2018-11-23 15:20:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2018-11-23 15:20:51,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:51,718 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 15:20:51,718 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:51,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:51,719 INFO L82 PathProgramCache]: Analyzing trace with hash 269621054, now seen corresponding path program 1 times [2018-11-23 15:20:51,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:51,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:51,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:51,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:51,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2593 backedges. 856 proven. 228 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2018-11-23 15:20:52,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:20:52,269 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:20:52,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:52,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:20:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2593 backedges. 1763 proven. 2 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2018-11-23 15:20:52,858 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:20:52,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 15:20:52,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:20:52,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:20:52,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:20:52,860 INFO L87 Difference]: Start difference. First operand 19617 states and 22133 transitions. Second operand 7 states. [2018-11-23 15:20:53,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:53,977 INFO L93 Difference]: Finished difference Result 40480 states and 45829 transitions. [2018-11-23 15:20:53,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 15:20:53,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 957 [2018-11-23 15:20:53,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:54,019 INFO L225 Difference]: With dead ends: 40480 [2018-11-23 15:20:54,019 INFO L226 Difference]: Without dead ends: 21051 [2018-11-23 15:20:54,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 973 GetRequests, 962 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:20:54,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21051 states. [2018-11-23 15:20:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21051 to 20349. [2018-11-23 15:20:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20349 states. [2018-11-23 15:20:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20349 states to 20349 states and 22718 transitions. [2018-11-23 15:20:54,273 INFO L78 Accepts]: Start accepts. Automaton has 20349 states and 22718 transitions. Word has length 957 [2018-11-23 15:20:54,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:54,273 INFO L480 AbstractCegarLoop]: Abstraction has 20349 states and 22718 transitions. [2018-11-23 15:20:54,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:20:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 20349 states and 22718 transitions. [2018-11-23 15:20:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2018-11-23 15:20:54,293 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:54,293 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 15:20:54,294 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:54,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:54,294 INFO L82 PathProgramCache]: Analyzing trace with hash 642765001, now seen corresponding path program 1 times [2018-11-23 15:20:54,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:54,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:54,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:54,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:54,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3876 backedges. 1598 proven. 230 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2018-11-23 15:20:55,000 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:20:55,001 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:20:55,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:55,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:20:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3876 backedges. 2397 proven. 6 refuted. 0 times theorem prover too weak. 1473 trivial. 0 not checked. [2018-11-23 15:20:55,676 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:20:55,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-11-23 15:20:55,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:20:55,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:20:55,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:20:55,678 INFO L87 Difference]: Start difference. First operand 20349 states and 22718 transitions. Second operand 9 states. [2018-11-23 15:20:57,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:20:57,514 INFO L93 Difference]: Finished difference Result 45692 states and 51087 transitions. [2018-11-23 15:20:57,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 15:20:57,515 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1132 [2018-11-23 15:20:57,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:20:57,550 INFO L225 Difference]: With dead ends: 45692 [2018-11-23 15:20:57,550 INFO L226 Difference]: Without dead ends: 25531 [2018-11-23 15:20:57,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1151 GetRequests, 1137 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-11-23 15:20:57,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25531 states. [2018-11-23 15:20:57,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25531 to 25018. [2018-11-23 15:20:57,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25018 states. [2018-11-23 15:20:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25018 states to 25018 states and 27914 transitions. [2018-11-23 15:20:57,802 INFO L78 Accepts]: Start accepts. Automaton has 25018 states and 27914 transitions. Word has length 1132 [2018-11-23 15:20:57,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:20:57,803 INFO L480 AbstractCegarLoop]: Abstraction has 25018 states and 27914 transitions. [2018-11-23 15:20:57,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:20:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 25018 states and 27914 transitions. [2018-11-23 15:20:57,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1284 [2018-11-23 15:20:57,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:20:57,822 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 15:20:57,822 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:20:57,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:57,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1227148822, now seen corresponding path program 1 times [2018-11-23 15:20:57,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:57,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:57,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:57,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:57,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5076 backedges. 1326 proven. 937 refuted. 0 times theorem prover too weak. 2813 trivial. 0 not checked. [2018-11-23 15:20:59,351 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:20:59,352 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:20:59,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:20:59,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 5076 backedges. 2281 proven. 2 refuted. 0 times theorem prover too weak. 2793 trivial. 0 not checked. [2018-11-23 15:21:00,150 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:00,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 15:21:00,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 15:21:00,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 15:21:00,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:21:00,152 INFO L87 Difference]: Start difference. First operand 25018 states and 27914 transitions. Second operand 17 states. [2018-11-23 15:21:03,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:03,243 INFO L93 Difference]: Finished difference Result 50509 states and 56445 transitions. [2018-11-23 15:21:03,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-23 15:21:03,243 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1283 [2018-11-23 15:21:03,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:03,275 INFO L225 Difference]: With dead ends: 50509 [2018-11-23 15:21:03,275 INFO L226 Difference]: Without dead ends: 25679 [2018-11-23 15:21:03,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1360 GetRequests, 1308 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=567, Invalid=2295, Unknown=0, NotChecked=0, Total=2862 [2018-11-23 15:21:03,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25679 states. [2018-11-23 15:21:03,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25679 to 25014. [2018-11-23 15:21:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25014 states. [2018-11-23 15:21:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25014 states to 25014 states and 27732 transitions. [2018-11-23 15:21:03,524 INFO L78 Accepts]: Start accepts. Automaton has 25014 states and 27732 transitions. Word has length 1283 [2018-11-23 15:21:03,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:03,524 INFO L480 AbstractCegarLoop]: Abstraction has 25014 states and 27732 transitions. [2018-11-23 15:21:03,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 15:21:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 25014 states and 27732 transitions. [2018-11-23 15:21:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1488 [2018-11-23 15:21:03,558 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:03,558 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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 15:21:03,558 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:03,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:03,559 INFO L82 PathProgramCache]: Analyzing trace with hash 2134731010, now seen corresponding path program 1 times [2018-11-23 15:21:03,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:03,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:03,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:03,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:03,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:05,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 1181 proven. 3191 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-11-23 15:21:05,983 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:05,983 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:21:05,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:06,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 3902 proven. 2 refuted. 0 times theorem prover too weak. 2536 trivial. 0 not checked. [2018-11-23 15:21:06,881 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:06,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-23 15:21:06,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 15:21:06,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 15:21:06,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-23 15:21:06,883 INFO L87 Difference]: Start difference. First operand 25014 states and 27732 transitions. Second operand 19 states. [2018-11-23 15:21:11,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:11,391 INFO L93 Difference]: Finished difference Result 49677 states and 58630 transitions. [2018-11-23 15:21:11,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-23 15:21:11,391 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1487 [2018-11-23 15:21:11,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:11,467 INFO L225 Difference]: With dead ends: 49677 [2018-11-23 15:21:11,467 INFO L226 Difference]: Without dead ends: 24851 [2018-11-23 15:21:11,567 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1590 GetRequests, 1523 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1245 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=948, Invalid=3474, Unknown=0, NotChecked=0, Total=4422 [2018-11-23 15:21:11,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24851 states. [2018-11-23 15:21:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24851 to 23978. [2018-11-23 15:21:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23978 states. [2018-11-23 15:21:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23978 states to 23978 states and 26172 transitions. [2018-11-23 15:21:11,825 INFO L78 Accepts]: Start accepts. Automaton has 23978 states and 26172 transitions. Word has length 1487 [2018-11-23 15:21:11,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:11,826 INFO L480 AbstractCegarLoop]: Abstraction has 23978 states and 26172 transitions. [2018-11-23 15:21:11,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 15:21:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 23978 states and 26172 transitions. [2018-11-23 15:21:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1606 [2018-11-23 15:21:11,846 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:11,846 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 15:21:11,846 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:11,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:11,847 INFO L82 PathProgramCache]: Analyzing trace with hash 888570278, now seen corresponding path program 1 times [2018-11-23 15:21:11,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:11,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:11,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:11,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:11,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7681 backedges. 1656 proven. 1159 refuted. 0 times theorem prover too weak. 4866 trivial. 0 not checked. [2018-11-23 15:21:13,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:13,787 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:21:13,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:13,963 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7681 backedges. 2894 proven. 2 refuted. 0 times theorem prover too weak. 4785 trivial. 0 not checked. [2018-11-23 15:21:14,994 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:14,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 15:21:14,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 15:21:14,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 15:21:14,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:21:14,995 INFO L87 Difference]: Start difference. First operand 23978 states and 26172 transitions. Second operand 17 states. [2018-11-23 15:21:18,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:18,336 INFO L93 Difference]: Finished difference Result 48408 states and 52860 transitions. [2018-11-23 15:21:18,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-23 15:21:18,336 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1605 [2018-11-23 15:21:18,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:18,367 INFO L225 Difference]: With dead ends: 48408 [2018-11-23 15:21:18,367 INFO L226 Difference]: Without dead ends: 24618 [2018-11-23 15:21:18,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1681 GetRequests, 1630 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=514, Invalid=2242, Unknown=0, NotChecked=0, Total=2756 [2018-11-23 15:21:18,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24618 states. [2018-11-23 15:21:18,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24618 to 23974. [2018-11-23 15:21:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23974 states. [2018-11-23 15:21:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23974 states to 23974 states and 26067 transitions. [2018-11-23 15:21:18,619 INFO L78 Accepts]: Start accepts. Automaton has 23974 states and 26067 transitions. Word has length 1605 [2018-11-23 15:21:18,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:18,619 INFO L480 AbstractCegarLoop]: Abstraction has 23974 states and 26067 transitions. [2018-11-23 15:21:18,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 15:21:18,619 INFO L276 IsEmpty]: Start isEmpty. Operand 23974 states and 26067 transitions. [2018-11-23 15:21:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1823 [2018-11-23 15:21:18,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:18,649 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 15:21:18,650 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:18,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:18,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1822319605, now seen corresponding path program 1 times [2018-11-23 15:21:18,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:18,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:18,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:18,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:18,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10353 backedges. 2004 proven. 2489 refuted. 0 times theorem prover too weak. 5860 trivial. 0 not checked. [2018-11-23 15:21:21,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:21,339 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:21:21,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:21,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 10353 backedges. 4409 proven. 6 refuted. 0 times theorem prover too weak. 5938 trivial. 0 not checked. [2018-11-23 15:21:22,475 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:22,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-11-23 15:21:22,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 15:21:22,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 15:21:22,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-11-23 15:21:22,477 INFO L87 Difference]: Start difference. First operand 23974 states and 26067 transitions. Second operand 16 states. [2018-11-23 15:21:25,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:25,788 INFO L93 Difference]: Finished difference Result 47486 states and 52553 transitions. [2018-11-23 15:21:25,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-23 15:21:25,789 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1822 [2018-11-23 15:21:25,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:25,826 INFO L225 Difference]: With dead ends: 47486 [2018-11-23 15:21:25,826 INFO L226 Difference]: Without dead ends: 23155 [2018-11-23 15:21:25,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1912 GetRequests, 1863 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=493, Invalid=2057, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 15:21:25,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23155 states. [2018-11-23 15:21:26,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23155 to 22171. [2018-11-23 15:21:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22171 states. [2018-11-23 15:21:26,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22171 states to 22171 states and 23854 transitions. [2018-11-23 15:21:26,079 INFO L78 Accepts]: Start accepts. Automaton has 22171 states and 23854 transitions. Word has length 1822 [2018-11-23 15:21:26,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:26,080 INFO L480 AbstractCegarLoop]: Abstraction has 22171 states and 23854 transitions. [2018-11-23 15:21:26,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 15:21:26,080 INFO L276 IsEmpty]: Start isEmpty. Operand 22171 states and 23854 transitions. [2018-11-23 15:21:26,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1863 [2018-11-23 15:21:26,106 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:26,107 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 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 15:21:26,107 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:26,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:26,107 INFO L82 PathProgramCache]: Analyzing trace with hash -540237935, now seen corresponding path program 1 times [2018-11-23 15:21:26,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:26,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:26,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:26,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:26,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 10338 backedges. 2136 proven. 501 refuted. 0 times theorem prover too weak. 7701 trivial. 0 not checked. [2018-11-23 15:21:27,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:27,449 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:21:27,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:27,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10338 backedges. 4386 proven. 2 refuted. 0 times theorem prover too weak. 5950 trivial. 0 not checked. [2018-11-23 15:21:28,514 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:28,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-23 15:21:28,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 15:21:28,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 15:21:28,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-23 15:21:28,516 INFO L87 Difference]: Start difference. First operand 22171 states and 23854 transitions. Second operand 11 states. [2018-11-23 15:21:30,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:30,097 INFO L93 Difference]: Finished difference Result 44274 states and 47696 transitions. [2018-11-23 15:21:30,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-23 15:21:30,098 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1862 [2018-11-23 15:21:30,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:30,103 INFO L225 Difference]: With dead ends: 44274 [2018-11-23 15:21:30,103 INFO L226 Difference]: Without dead ends: 4795 [2018-11-23 15:21:30,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1905 GetRequests, 1876 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=224, Invalid=646, Unknown=0, NotChecked=0, Total=870 [2018-11-23 15:21:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2018-11-23 15:21:30,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 4076. [2018-11-23 15:21:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4076 states. [2018-11-23 15:21:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 4182 transitions. [2018-11-23 15:21:30,171 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 4182 transitions. Word has length 1862 [2018-11-23 15:21:30,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:30,172 INFO L480 AbstractCegarLoop]: Abstraction has 4076 states and 4182 transitions. [2018-11-23 15:21:30,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 15:21:30,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 4182 transitions. [2018-11-23 15:21:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2018-11-23 15:21:30,186 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:30,187 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 15:21:30,187 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:30,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:30,187 INFO L82 PathProgramCache]: Analyzing trace with hash -2043261290, now seen corresponding path program 1 times [2018-11-23 15:21:30,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:30,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:30,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:30,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:30,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 11762 backedges. 732 proven. 0 refuted. 0 times theorem prover too weak. 11030 trivial. 0 not checked. [2018-11-23 15:21:31,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:21:31,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:21:31,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:21:31,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:21:31,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:21:31,340 INFO L87 Difference]: Start difference. First operand 4076 states and 4182 transitions. Second operand 3 states. [2018-11-23 15:21:31,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:31,576 INFO L93 Difference]: Finished difference Result 7958 states and 8171 transitions. [2018-11-23 15:21:31,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:21:31,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1937 [2018-11-23 15:21:31,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:31,577 INFO L225 Difference]: With dead ends: 7958 [2018-11-23 15:21:31,578 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:21:31,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 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 15:21:31,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:21:31,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:21:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:21:31,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:21:31,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1937 [2018-11-23 15:21:31,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:31,583 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:21:31,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:21:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:21:31,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:21:31,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:21:31,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:31,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:31,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:31,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:31,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:31,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:31,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:32,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:33,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:33,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,527 WARN L180 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1349 DAG size of output: 1153 [2018-11-23 15:21:34,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:34,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:35,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:36,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:36,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:36,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:36,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:36,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:21:36,651 WARN L180 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1349 DAG size of output: 1153 [2018-11-23 15:21:37,917 WARN L180 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 374 DAG size of output: 101 [2018-11-23 15:21:43,283 WARN L180 SmtUtils]: Spent 5.35 s on a formula simplification. DAG size of input: 1127 DAG size of output: 88 [2018-11-23 15:21:48,732 WARN L180 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 1127 DAG size of output: 88 [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 15:21:48,734 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,735 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 15:21:48,736 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 15:21:48,737 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,738 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse16 (= 8 |old(~a15~0)|)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= |old(~a24~0)| ~a24~0)) (.cse20 (= 8 ~a15~0))) (let ((.cse14 (not (= 10 |old(~a21~0)|))) (.cse4 (not (= 8 |old(~a21~0)|))) (.cse0 (not (= 6 |old(~a15~0)|))) (.cse9 (< 0 (+ |old(~a12~0)| 43))) (.cse12 (< |old(~a12~0)| 12)) (.cse6 (and .cse1 .cse2 .cse3 .cse20)) (.cse7 (not (= 6 |old(~a21~0)|))) (.cse10 (and .cse1 .cse2 .cse15 .cse3)) (.cse13 (< 73282 |old(~a12~0)|)) (.cse11 (< 7 |old(~a15~0)|)) (.cse17 (not (= 7 |old(~a21~0)|))) (.cse18 (<= |old(~a21~0)| ~a21~0)) (.cse19 (<= ~a21~0 7)) (.cse5 (not (= 1 |old(~a24~0)|))) (.cse8 (not .cse16))) (and (or .cse0 (= 6 ~a15~0)) (or (and .cse1 .cse2 .cse3 (= 9 ~a15~0)) .cse4 (not (= 9 |old(~a15~0)|)) .cse5) (or .cse6 .cse7 (= 2 |old(~a24~0)|) .cse8 .cse9) (or .cse10 .cse5 .cse11 .cse9) (or .cse12 .cse10 .cse5 .cse13 .cse11) (or .cse7 (< 0 (+ |old(~a12~0)| 49)) .cse10 .cse11) (or .cse6 (or .cse14 .cse5 .cse8)) (or .cse10 .cse5 .cse13 .cse11 .cse4) (or .cse14 (and .cse1 .cse15 .cse3 (= 10 ~a21~0)) .cse5 .cse13) (or .cse12 .cse6 .cse5 .cse8 .cse13 .cse4) (or (< 76 |old(~a12~0)|) (not (= 9 |old(~a21~0)|)) .cse5 .cse8 .cse6) (or (<= (+ ~a12~0 43) 0) .cse0 .cse9) (or .cse10 .cse12 (= 5 |old(~a15~0)|) .cse5 .cse16) (or .cse7 .cse12 .cse5 .cse8 .cse6) (or .cse7 .cse10 .cse5 .cse11) (or .cse5 (not (= 7 |old(~a15~0)|)) (and .cse1 .cse2 (= 7 ~a15~0) .cse3)) (or .cse17 (and .cse1 .cse18 .cse15 .cse19 .cse3) .cse5 .cse13 .cse11) (or .cse17 (and .cse1 .cse18 .cse19 .cse3 .cse20) .cse5 (< 11 |old(~a12~0)|) .cse8)))) [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,739 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 15:21:48,740 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 15:21:48,741 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,742 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 15:21:48,743 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 15:21:48,744 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:21:48,745 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-23 15:21:48,745 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:21:48,745 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:21:48,746 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= |old(~a15~0)| ~a15~0) (= 1 ~a24~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-11-23 15:21:48,746 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 15:21:48,746 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse3 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse10 (= 1 ~a24~0))) (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse8 (<= ~a12~0 11)) (.cse4 (= 8 ~a15~0)) (.cse9 (and .cse11 .cse10)) (.cse7 (= ~a21~0 8)) (.cse1 (<= 12 ~a12~0)) (.cse5 (<= (+ ~a12~0 43) 0)) (.cse6 (<= ~a15~0 7)) (.cse2 (and .cse10 .cse3))) (or (and (= 8 ~a21~0) .cse0 (= 9 ~a15~0)) (and .cse1 (not (= ~a15~0 8)) (and (not (= 5 ~a15~0)) .cse0)) (and .cse1 .cse2) (and .cse3 .cse4 (not (= 2 ~a24~0)) .cse5) (< 0 (+ |old(~a12~0)| 49)) (and .cse6 (and .cse0 .cse7 .cse8)) (and .cse9 (= 10 ~a21~0)) (and (and (= 7 ~a21~0) (<= ~a15~0 8)) .cse0 .cse8) (and .cse10 (and .cse4 (= ~a21~0 10))) (not (= 1 |old(~a24~0)|)) (and .cse3 (<= (+ ~a12~0 49) 0) .cse6) (not (= 8 |old(~a15~0)|)) (= 6 ~a15~0) (and (<= ~a12~0 76) (and .cse10 .cse4 (= 9 ~a21~0))) (and .cse1 .cse9 .cse6) (and (and .cse11 .cse10 .cse7) .cse1) (and (and .cse5 .cse10) .cse6) (and .cse10 (= 7 ~a15~0)) (< 7 |old(~a21~0)|) (and .cse6 .cse2) (< |old(~a21~0)| 7)))) [2018-11-23 15:21:48,746 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 15:21:48,746 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 15:21:48,746 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse10 (= 1 ~a24~0))) (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse8 (<= ~a12~0 11)) (.cse4 (= 8 ~a15~0)) (.cse9 (and .cse11 .cse10)) (.cse7 (= ~a21~0 8)) (.cse1 (<= 12 ~a12~0)) (.cse5 (<= (+ ~a12~0 43) 0)) (.cse6 (<= ~a15~0 7)) (.cse2 (and .cse10 .cse3))) (or (and (= 8 ~a21~0) .cse0 (= 9 ~a15~0)) (and .cse1 (not (= ~a15~0 8)) (and (not (= 5 ~a15~0)) .cse0)) (and .cse1 .cse2) (and .cse3 .cse4 (not (= 2 ~a24~0)) .cse5) (< 0 (+ |old(~a12~0)| 49)) (and .cse6 (and .cse0 .cse7 .cse8)) (and .cse9 (= 10 ~a21~0)) (and (and (= 7 ~a21~0) (<= ~a15~0 8)) .cse0 .cse8) (and .cse10 (and .cse4 (= ~a21~0 10))) (not (= 1 |old(~a24~0)|)) (and .cse3 (<= (+ ~a12~0 49) 0) .cse6) (not (= 8 |old(~a15~0)|)) (= 6 ~a15~0) (and (<= ~a12~0 76) (and .cse10 .cse4 (= 9 ~a21~0))) (and .cse1 .cse9 .cse6) (and (and .cse11 .cse10 .cse7) .cse1) (and (and .cse5 .cse10) .cse6) (and .cse10 (= 7 ~a15~0)) (< 7 |old(~a21~0)|) (and .cse6 .cse2) (< |old(~a21~0)| 7)))) [2018-11-23 15:21:48,746 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 15:21:48,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:21:48 BoogieIcfgContainer [2018-11-23 15:21:48,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:21:48,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:21:48,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:21:48,765 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:21:48,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:24" (3/4) ... [2018-11-23 15:21:48,768 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:21:48,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:21:48,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 15:21:48,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:21:48,790 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:21:48,791 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:21:48,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((8 == a21 && a24 == \old(a24)) && 9 == a15) || ((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24))) || (12 <= a12 && 1 == a24 && 6 == a21)) || (((6 == a21 && 8 == a15) && !(2 == a24)) && a12 + 43 <= 0)) || 0 < \old(a12) + 49) || (a15 <= 7 && (a24 == \old(a24) && a21 == 8) && a12 <= 11)) || ((a12 <= 73282 && 1 == a24) && 10 == a21)) || (((7 == a21 && a15 <= 8) && a24 == \old(a24)) && a12 <= 11)) || (1 == a24 && 8 == a15 && a21 == 10)) || !(1 == \old(a24))) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || !(8 == \old(a15))) || 6 == a15) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || ((12 <= a12 && a12 <= 73282 && 1 == a24) && a15 <= 7)) || (((a12 <= 73282 && 1 == a24) && a21 == 8) && 12 <= a12)) || ((a12 + 43 <= 0 && 1 == a24) && a15 <= 7)) || (1 == a24 && 7 == a15)) || 7 < \old(a21)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || \old(a21) < 7 [2018-11-23 15:21:48,894 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_afa31e63-1673-4312-bb83-372b7481a0c0/bin-2019/uautomizer/witness.graphml [2018-11-23 15:21:48,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:21:48,895 INFO L168 Benchmark]: Toolchain (without parser) took 86684.23 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 950.0 MB in the beginning and 839.1 MB in the end (delta: 110.9 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-23 15:21:48,895 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:21:48,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.64 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:48,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -221.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:48,896 INFO L168 Benchmark]: Boogie Preprocessor took 57.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:48,896 INFO L168 Benchmark]: RCFGBuilder took 1245.72 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: 121.3 MB). Peak memory consumption was 121.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:48,896 INFO L168 Benchmark]: TraceAbstraction took 84763.25 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 839.1 MB in the end (delta: 166.7 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-23 15:21:48,897 INFO L168 Benchmark]: Witness Printer took 129.86 ms. Allocated memory is still 4.9 GB. Free memory is still 839.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:21:48,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.64 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 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 82.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -221.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1245.72 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: 121.3 MB). Peak memory consumption was 121.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 84763.25 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 839.1 MB in the end (delta: 166.7 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 129.86 ms. Allocated memory is still 4.9 GB. Free memory is still 839.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((((((((((((((8 == a21 && a24 == \old(a24)) && 9 == a15) || ((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24))) || (12 <= a12 && 1 == a24 && 6 == a21)) || (((6 == a21 && 8 == a15) && !(2 == a24)) && a12 + 43 <= 0)) || 0 < \old(a12) + 49) || (a15 <= 7 && (a24 == \old(a24) && a21 == 8) && a12 <= 11)) || ((a12 <= 73282 && 1 == a24) && 10 == a21)) || (((7 == a21 && a15 <= 8) && a24 == \old(a24)) && a12 <= 11)) || (1 == a24 && 8 == a15 && a21 == 10)) || !(1 == \old(a24))) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || !(8 == \old(a15))) || 6 == a15) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || ((12 <= a12 && a12 <= 73282 && 1 == a24) && a15 <= 7)) || (((a12 <= 73282 && 1 == a24) && a21 == 8) && 12 <= a12)) || ((a12 + 43 <= 0 && 1 == a24) && a15 <= 7)) || (1 == a24 && 7 == a15)) || 7 < \old(a21)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || \old(a21) < 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 84.6s OverallTime, 17 OverallIterations, 16 TraceHistogramMax, 39.7s AutomataDifference, 0.0s DeadEndRemovalTime, 17.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1610 SDtfs, 40246 SDslu, 3610 SDs, 0 SdLazy, 57169 SolverSat, 10285 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14352 GetRequests, 13840 SyntacticMatches, 15 SemanticMatches, 497 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8428 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25018occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 8107 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 887 PreInvPairs, 1071 NumberOfFragments, 979 HoareAnnotationTreeSize, 887 FomulaSimplifications, 6032115 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 997107 FormulaSimplificationTreeSizeReductionInter, 12.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 29579 NumberOfCodeBlocks, 29579 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 29549 ConstructedInterpolants, 0 QuantifiedInterpolants, 102665183 SizeOfPredicates, 8 NumberOfNonLiveVariables, 18868 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 30 InterpolantComputations, 6 PerfectInterpolantSequences, 106245/116747 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...