./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label19.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/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 afc12bc69e705b75a7b12a06ad7a3fcc3e70b0b1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:43:15,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:43:15,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:43:15,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:43:15,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:43:15,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:43:15,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:43:15,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:43:15,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:43:15,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:43:15,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:43:15,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:43:15,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:43:15,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:43:15,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:43:15,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:43:15,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:43:15,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:43:15,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:43:15,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:43:15,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:43:15,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:43:15,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:43:15,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:43:15,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:43:15,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:43:15,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:43:15,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:43:15,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:43:15,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:43:15,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:43:15,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:43:15,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:43:15,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:43:15,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:43:15,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:43:15,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:43:15,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:43:15,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:43:15,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:43:15,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:43:15,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:43:15,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:43:15,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:43:15,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:43:15,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:43:15,125 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:43:15,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:43:15,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:43:15,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:43:15,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:43:15,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:43:15,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:43:15,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:43:15,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:43:15,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:43:15,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:43:15,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:43:15,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:43:15,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:43:15,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:43:15,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:43:15,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:43:15,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:43:15,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:43:15,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:43:15,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:43:15,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:43:15,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:43:15,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:43:15,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/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 -> afc12bc69e705b75a7b12a06ad7a3fcc3e70b0b1 [2019-11-19 23:43:15,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:43:15,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:43:15,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:43:15,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:43:15,299 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:43:15,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2019-11-19 23:43:15,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/data/136e184b3/f015d861c2d342a3ad7e0703b5a53c8c/FLAG85b890050 [2019-11-19 23:43:15,913 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:43:15,914 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2019-11-19 23:43:15,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/data/136e184b3/f015d861c2d342a3ad7e0703b5a53c8c/FLAG85b890050 [2019-11-19 23:43:16,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/data/136e184b3/f015d861c2d342a3ad7e0703b5a53c8c [2019-11-19 23:43:16,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:43:16,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:43:16,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:43:16,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:43:16,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:43:16,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:43:16" (1/1) ... [2019-11-19 23:43:16,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a2fd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:16, skipping insertion in model container [2019-11-19 23:43:16,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:43:16" (1/1) ... [2019-11-19 23:43:16,134 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:43:16,189 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:43:16,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:43:16,801 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:43:17,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:43:17,031 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:43:17,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17 WrapperNode [2019-11-19 23:43:17,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:43:17,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:43:17,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:43:17,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:43:17,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... [2019-11-19 23:43:17,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... [2019-11-19 23:43:17,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:43:17,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:43:17,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:43:17,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:43:17,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... [2019-11-19 23:43:17,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... [2019-11-19 23:43:17,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... [2019-11-19 23:43:17,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... [2019-11-19 23:43:17,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... [2019-11-19 23:43:17,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... [2019-11-19 23:43:17,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... [2019-11-19 23:43:17,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:43:17,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:43:17,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:43:17,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:43:17,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/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 [2019-11-19 23:43:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:43:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:43:19,478 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:43:19,478 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 23:43:19,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:43:19 BoogieIcfgContainer [2019-11-19 23:43:19,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:43:19,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:43:19,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:43:19,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:43:19,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:43:16" (1/3) ... [2019-11-19 23:43:19,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e30f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:43:19, skipping insertion in model container [2019-11-19 23:43:19,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:43:17" (2/3) ... [2019-11-19 23:43:19,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e30f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:43:19, skipping insertion in model container [2019-11-19 23:43:19,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:43:19" (3/3) ... [2019-11-19 23:43:19,491 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label19.c [2019-11-19 23:43:19,500 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:43:19,509 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:43:19,521 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:43:19,565 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:43:19,565 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:43:19,565 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:43:19,565 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:43:19,565 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:43:19,566 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:43:19,566 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:43:19,567 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:43:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2019-11-19 23:43:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 23:43:19,607 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:43:19,608 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:43:19,608 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:43:19,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:43:19,615 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2019-11-19 23:43:19,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:43:19,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650126866] [2019-11-19 23:43:19,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:43:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:43:20,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650126866] [2019-11-19 23:43:20,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:43:20,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:43:20,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151016658] [2019-11-19 23:43:20,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:43:20,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:43:20,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:43:20,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:43:20,067 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2019-11-19 23:43:22,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:43:22,378 INFO L93 Difference]: Finished difference Result 960 states and 1739 transitions. [2019-11-19 23:43:22,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:43:22,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2019-11-19 23:43:22,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:43:22,399 INFO L225 Difference]: With dead ends: 960 [2019-11-19 23:43:22,399 INFO L226 Difference]: Without dead ends: 610 [2019-11-19 23:43:22,404 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:43:22,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2019-11-19 23:43:22,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 595. [2019-11-19 23:43:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2019-11-19 23:43:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 904 transitions. [2019-11-19 23:43:22,489 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 904 transitions. Word has length 56 [2019-11-19 23:43:22,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:43:22,489 INFO L462 AbstractCegarLoop]: Abstraction has 595 states and 904 transitions. [2019-11-19 23:43:22,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:43:22,489 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 904 transitions. [2019-11-19 23:43:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-19 23:43:22,496 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:43:22,496 INFO L410 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, 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] [2019-11-19 23:43:22,497 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:43:22,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:43:22,497 INFO L82 PathProgramCache]: Analyzing trace with hash 217134498, now seen corresponding path program 1 times [2019-11-19 23:43:22,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:43:22,497 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396501065] [2019-11-19 23:43:22,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:43:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:43:23,032 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396501065] [2019-11-19 23:43:23,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:43:23,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 23:43:23,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148284838] [2019-11-19 23:43:23,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:43:23,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:43:23,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:43:23,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:43:23,036 INFO L87 Difference]: Start difference. First operand 595 states and 904 transitions. Second operand 7 states. [2019-11-19 23:43:25,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:43:25,645 INFO L93 Difference]: Finished difference Result 1929 states and 2898 transitions. [2019-11-19 23:43:25,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:43:25,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2019-11-19 23:43:25,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:43:25,658 INFO L225 Difference]: With dead ends: 1929 [2019-11-19 23:43:25,659 INFO L226 Difference]: Without dead ends: 1336 [2019-11-19 23:43:25,666 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:43:25,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2019-11-19 23:43:25,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1334. [2019-11-19 23:43:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2019-11-19 23:43:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1721 transitions. [2019-11-19 23:43:25,742 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1721 transitions. Word has length 129 [2019-11-19 23:43:25,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:43:25,743 INFO L462 AbstractCegarLoop]: Abstraction has 1334 states and 1721 transitions. [2019-11-19 23:43:25,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:43:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1721 transitions. [2019-11-19 23:43:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-19 23:43:25,750 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:43:25,751 INFO L410 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:43:25,751 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:43:25,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:43:25,752 INFO L82 PathProgramCache]: Analyzing trace with hash 814485289, now seen corresponding path program 1 times [2019-11-19 23:43:25,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:43:25,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360617237] [2019-11-19 23:43:25,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:43:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-19 23:43:26,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360617237] [2019-11-19 23:43:26,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193851656] [2019-11-19 23:43:26,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:26,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:43:26,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:43:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-19 23:43:26,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:43:26,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-11-19 23:43:26,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766062624] [2019-11-19 23:43:26,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:43:26,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:43:26,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:43:26,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:43:26,237 INFO L87 Difference]: Start difference. First operand 1334 states and 1721 transitions. Second operand 3 states. [2019-11-19 23:43:27,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:43:27,453 INFO L93 Difference]: Finished difference Result 3227 states and 4329 transitions. [2019-11-19 23:43:27,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:43:27,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-19 23:43:27,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:43:27,468 INFO L225 Difference]: With dead ends: 3227 [2019-11-19 23:43:27,469 INFO L226 Difference]: Without dead ends: 2079 [2019-11-19 23:43:27,471 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:43:27,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2019-11-19 23:43:27,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 1895. [2019-11-19 23:43:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2019-11-19 23:43:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2368 transitions. [2019-11-19 23:43:27,533 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2368 transitions. Word has length 199 [2019-11-19 23:43:27,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:43:27,536 INFO L462 AbstractCegarLoop]: Abstraction has 1895 states and 2368 transitions. [2019-11-19 23:43:27,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:43:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2368 transitions. [2019-11-19 23:43:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-19 23:43:27,542 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:43:27,543 INFO L410 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, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-19 23:43:27,756 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:27,756 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:43:27,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:43:27,757 INFO L82 PathProgramCache]: Analyzing trace with hash -293129306, now seen corresponding path program 1 times [2019-11-19 23:43:27,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:43:27,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818850002] [2019-11-19 23:43:27,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:43:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:43:28,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818850002] [2019-11-19 23:43:28,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:43:28,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:43:28,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276707659] [2019-11-19 23:43:28,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:43:28,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:43:28,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:43:28,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:43:28,014 INFO L87 Difference]: Start difference. First operand 1895 states and 2368 transitions. Second operand 4 states. [2019-11-19 23:43:29,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:43:29,717 INFO L93 Difference]: Finished difference Result 5091 states and 6464 transitions. [2019-11-19 23:43:29,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:43:29,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 236 [2019-11-19 23:43:29,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:43:29,736 INFO L225 Difference]: With dead ends: 5091 [2019-11-19 23:43:29,736 INFO L226 Difference]: Without dead ends: 3382 [2019-11-19 23:43:29,739 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:43:29,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3382 states. [2019-11-19 23:43:29,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3382 to 3184. [2019-11-19 23:43:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2019-11-19 23:43:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3921 transitions. [2019-11-19 23:43:29,816 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 3921 transitions. Word has length 236 [2019-11-19 23:43:29,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:43:29,817 INFO L462 AbstractCegarLoop]: Abstraction has 3184 states and 3921 transitions. [2019-11-19 23:43:29,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:43:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3921 transitions. [2019-11-19 23:43:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-19 23:43:29,822 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:43:29,822 INFO L410 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:43:29,823 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:43:29,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:43:29,823 INFO L82 PathProgramCache]: Analyzing trace with hash -814689872, now seen corresponding path program 1 times [2019-11-19 23:43:29,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:43:29,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004973156] [2019-11-19 23:43:29,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:43:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:30,301 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 65 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:43:30,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004973156] [2019-11-19 23:43:30,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239216609] [2019-11-19 23:43:30,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:30,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-19 23:43:30,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:43:30,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:30,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:30,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:30,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:30,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:30,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:30,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:30,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:30,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:30,717 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2019-11-19 23:43:30,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-19 23:43:30,968 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 79 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:43:30,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:43:30,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2019-11-19 23:43:30,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639145524] [2019-11-19 23:43:30,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-19 23:43:30,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:43:30,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-19 23:43:30,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2019-11-19 23:43:30,971 INFO L87 Difference]: Start difference. First operand 3184 states and 3921 transitions. Second operand 13 states. [2019-11-19 23:43:45,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:43:45,582 INFO L93 Difference]: Finished difference Result 19848 states and 26983 transitions. [2019-11-19 23:43:45,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2019-11-19 23:43:45,583 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 237 [2019-11-19 23:43:45,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:43:45,665 INFO L225 Difference]: With dead ends: 19848 [2019-11-19 23:43:45,665 INFO L226 Difference]: Without dead ends: 16666 [2019-11-19 23:43:45,672 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1187 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=764, Invalid=2658, Unknown=0, NotChecked=0, Total=3422 [2019-11-19 23:43:45,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16666 states. [2019-11-19 23:43:45,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16666 to 8882. [2019-11-19 23:43:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8882 states. [2019-11-19 23:43:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8882 states to 8882 states and 10377 transitions. [2019-11-19 23:43:45,924 INFO L78 Accepts]: Start accepts. Automaton has 8882 states and 10377 transitions. Word has length 237 [2019-11-19 23:43:45,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:43:45,925 INFO L462 AbstractCegarLoop]: Abstraction has 8882 states and 10377 transitions. [2019-11-19 23:43:45,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-19 23:43:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8882 states and 10377 transitions. [2019-11-19 23:43:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-19 23:43:45,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:43:45,938 INFO L410 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-19 23:43:46,141 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:46,142 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:43:46,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:43:46,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1537666383, now seen corresponding path program 1 times [2019-11-19 23:43:46,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:43:46,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284650433] [2019-11-19 23:43:46,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:43:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 208 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:43:46,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284650433] [2019-11-19 23:43:46,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546280662] [2019-11-19 23:43:46,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:46,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:43:46,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:43:46,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:46,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-19 23:43:46,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:43:46,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2019-11-19 23:43:46,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357532283] [2019-11-19 23:43:46,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:43:46,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:43:46,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:43:46,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:43:46,847 INFO L87 Difference]: Start difference. First operand 8882 states and 10377 transitions. Second operand 4 states. [2019-11-19 23:43:48,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:43:48,506 INFO L93 Difference]: Finished difference Result 20530 states and 23903 transitions. [2019-11-19 23:43:48,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:43:48,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 350 [2019-11-19 23:43:48,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:43:48,545 INFO L225 Difference]: With dead ends: 20530 [2019-11-19 23:43:48,545 INFO L226 Difference]: Without dead ends: 11650 [2019-11-19 23:43:48,554 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 349 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:43:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11650 states. [2019-11-19 23:43:48,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11650 to 10910. [2019-11-19 23:43:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10910 states. [2019-11-19 23:43:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10910 states to 10910 states and 12508 transitions. [2019-11-19 23:43:48,736 INFO L78 Accepts]: Start accepts. Automaton has 10910 states and 12508 transitions. Word has length 350 [2019-11-19 23:43:48,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:43:48,736 INFO L462 AbstractCegarLoop]: Abstraction has 10910 states and 12508 transitions. [2019-11-19 23:43:48,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:43:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 10910 states and 12508 transitions. [2019-11-19 23:43:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2019-11-19 23:43:48,756 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:43:48,756 INFO L410 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, 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, 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] [2019-11-19 23:43:48,968 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:48,968 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:43:48,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:43:48,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1612149945, now seen corresponding path program 1 times [2019-11-19 23:43:48,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:43:48,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882443526] [2019-11-19 23:43:48,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:43:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 310 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2019-11-19 23:43:49,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882443526] [2019-11-19 23:43:49,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108096574] [2019-11-19 23:43:49,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:49,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:43:49,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:43:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:43:49,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:43:49,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2019-11-19 23:43:49,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035407885] [2019-11-19 23:43:49,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:43:49,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:43:49,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:43:49,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:43:49,644 INFO L87 Difference]: Start difference. First operand 10910 states and 12508 transitions. Second operand 3 states. [2019-11-19 23:43:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:43:50,862 INFO L93 Difference]: Finished difference Result 24232 states and 28185 transitions. [2019-11-19 23:43:50,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:43:50,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 393 [2019-11-19 23:43:50,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:43:50,891 INFO L225 Difference]: With dead ends: 24232 [2019-11-19 23:43:50,891 INFO L226 Difference]: Without dead ends: 13878 [2019-11-19 23:43:50,898 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:43:50,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13878 states. [2019-11-19 23:43:51,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13878 to 13874. [2019-11-19 23:43:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13874 states. [2019-11-19 23:43:51,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13874 states to 13874 states and 15906 transitions. [2019-11-19 23:43:51,069 INFO L78 Accepts]: Start accepts. Automaton has 13874 states and 15906 transitions. Word has length 393 [2019-11-19 23:43:51,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:43:51,070 INFO L462 AbstractCegarLoop]: Abstraction has 13874 states and 15906 transitions. [2019-11-19 23:43:51,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:43:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 13874 states and 15906 transitions. [2019-11-19 23:43:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2019-11-19 23:43:51,091 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:43:51,092 INFO L410 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-19 23:43:51,296 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:51,296 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:43:51,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:43:51,296 INFO L82 PathProgramCache]: Analyzing trace with hash 640525611, now seen corresponding path program 1 times [2019-11-19 23:43:51,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:43:51,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885234944] [2019-11-19 23:43:51,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:43:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 418 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:43:51,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885234944] [2019-11-19 23:43:51,684 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761712921] [2019-11-19 23:43:51,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:51,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:43:51,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:43:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2019-11-19 23:43:51,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:43:51,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-11-19 23:43:51,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445939548] [2019-11-19 23:43:51,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:43:51,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:43:51,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:43:51,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:43:51,952 INFO L87 Difference]: Start difference. First operand 13874 states and 15906 transitions. Second operand 3 states. [2019-11-19 23:43:52,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:43:52,945 INFO L93 Difference]: Finished difference Result 28316 states and 32571 transitions. [2019-11-19 23:43:52,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:43:52,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 416 [2019-11-19 23:43:52,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:43:52,970 INFO L225 Difference]: With dead ends: 28316 [2019-11-19 23:43:52,970 INFO L226 Difference]: Without dead ends: 14998 [2019-11-19 23:43:52,981 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:43:52,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14998 states. [2019-11-19 23:43:53,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14998 to 14253. [2019-11-19 23:43:53,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14253 states. [2019-11-19 23:43:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14253 states to 14253 states and 16146 transitions. [2019-11-19 23:43:53,386 INFO L78 Accepts]: Start accepts. Automaton has 14253 states and 16146 transitions. Word has length 416 [2019-11-19 23:43:53,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:43:53,392 INFO L462 AbstractCegarLoop]: Abstraction has 14253 states and 16146 transitions. [2019-11-19 23:43:53,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:43:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 14253 states and 16146 transitions. [2019-11-19 23:43:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-11-19 23:43:53,413 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:43:53,414 INFO L410 BasicCegarLoop]: trace histogram [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, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-19 23:43:53,617 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:53,617 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:43:53,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:43:53,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1735842170, now seen corresponding path program 1 times [2019-11-19 23:43:53,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:43:53,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218782267] [2019-11-19 23:43:53,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:43:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 354 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:43:54,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218782267] [2019-11-19 23:43:54,031 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870264365] [2019-11-19 23:43:54,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:43:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:43:54,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:43:54,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:43:54,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:54,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:43:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 420 proven. 78 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-11-19 23:43:54,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:43:54,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3] total 9 [2019-11-19 23:43:54,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974154302] [2019-11-19 23:43:54,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 23:43:54,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:43:54,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 23:43:54,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-11-19 23:43:54,324 INFO L87 Difference]: Start difference. First operand 14253 states and 16146 transitions. Second operand 9 states. [2019-11-19 23:44:02,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:02,651 INFO L93 Difference]: Finished difference Result 41069 states and 46511 transitions. [2019-11-19 23:44:02,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 23:44:02,652 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 429 [2019-11-19 23:44:02,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:02,686 INFO L225 Difference]: With dead ends: 41069 [2019-11-19 23:44:02,686 INFO L226 Difference]: Without dead ends: 27372 [2019-11-19 23:44:02,701 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-11-19 23:44:02,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27372 states. [2019-11-19 23:44:02,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27372 to 21078. [2019-11-19 23:44:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21078 states. [2019-11-19 23:44:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21078 states to 21078 states and 23527 transitions. [2019-11-19 23:44:03,021 INFO L78 Accepts]: Start accepts. Automaton has 21078 states and 23527 transitions. Word has length 429 [2019-11-19 23:44:03,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:03,022 INFO L462 AbstractCegarLoop]: Abstraction has 21078 states and 23527 transitions. [2019-11-19 23:44:03,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 23:44:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 21078 states and 23527 transitions. [2019-11-19 23:44:03,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2019-11-19 23:44:03,045 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:03,046 INFO L410 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2019-11-19 23:44:03,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:44:03,250 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:03,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:03,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1563516641, now seen corresponding path program 1 times [2019-11-19 23:44:03,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:03,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741586339] [2019-11-19 23:44:03,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:03,633 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-11-19 23:44:03,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741586339] [2019-11-19 23:44:03,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:44:03,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:44:03,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909592533] [2019-11-19 23:44:03,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:44:03,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:44:03,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:44:03,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:44:03,637 INFO L87 Difference]: Start difference. First operand 21078 states and 23527 transitions. Second operand 3 states. [2019-11-19 23:44:04,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:04,121 INFO L93 Difference]: Finished difference Result 40486 states and 45150 transitions. [2019-11-19 23:44:04,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:44:04,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 505 [2019-11-19 23:44:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:04,144 INFO L225 Difference]: With dead ends: 40486 [2019-11-19 23:44:04,144 INFO L226 Difference]: Without dead ends: 19964 [2019-11-19 23:44:04,158 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:44:04,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19964 states. [2019-11-19 23:44:04,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19964 to 19587. [2019-11-19 23:44:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19587 states. [2019-11-19 23:44:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19587 states to 19587 states and 21786 transitions. [2019-11-19 23:44:04,450 INFO L78 Accepts]: Start accepts. Automaton has 19587 states and 21786 transitions. Word has length 505 [2019-11-19 23:44:04,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:04,451 INFO L462 AbstractCegarLoop]: Abstraction has 19587 states and 21786 transitions. [2019-11-19 23:44:04,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:44:04,451 INFO L276 IsEmpty]: Start isEmpty. Operand 19587 states and 21786 transitions. [2019-11-19 23:44:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2019-11-19 23:44:04,480 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:04,481 INFO L410 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, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2019-11-19 23:44:04,481 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:04,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:04,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1573195711, now seen corresponding path program 1 times [2019-11-19 23:44:04,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:04,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013105000] [2019-11-19 23:44:04,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 798 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-11-19 23:44:05,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013105000] [2019-11-19 23:44:05,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:44:05,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:44:05,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695928663] [2019-11-19 23:44:05,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:44:05,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:44:05,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:44:05,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:44:05,161 INFO L87 Difference]: Start difference. First operand 19587 states and 21786 transitions. Second operand 4 states. [2019-11-19 23:44:06,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:06,633 INFO L93 Difference]: Finished difference Result 41209 states and 45847 transitions. [2019-11-19 23:44:06,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:44:06,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 563 [2019-11-19 23:44:06,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:06,658 INFO L225 Difference]: With dead ends: 41209 [2019-11-19 23:44:06,658 INFO L226 Difference]: Without dead ends: 21808 [2019-11-19 23:44:06,669 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:44:06,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21808 states. [2019-11-19 23:44:06,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21808 to 19586. [2019-11-19 23:44:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19586 states. [2019-11-19 23:44:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19586 states to 19586 states and 21467 transitions. [2019-11-19 23:44:06,941 INFO L78 Accepts]: Start accepts. Automaton has 19586 states and 21467 transitions. Word has length 563 [2019-11-19 23:44:06,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:06,942 INFO L462 AbstractCegarLoop]: Abstraction has 19586 states and 21467 transitions. [2019-11-19 23:44:06,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:44:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 19586 states and 21467 transitions. [2019-11-19 23:44:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2019-11-19 23:44:06,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:06,968 INFO L410 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, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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] [2019-11-19 23:44:06,968 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:06,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:06,969 INFO L82 PathProgramCache]: Analyzing trace with hash -2061856616, now seen corresponding path program 1 times [2019-11-19 23:44:06,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:06,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6386178] [2019-11-19 23:44:06,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 734 proven. 340 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-11-19 23:44:07,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6386178] [2019-11-19 23:44:07,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458796938] [2019-11-19 23:44:07,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:44:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:07,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:07,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:07,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:07,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 660 proven. 237 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2019-11-19 23:44:08,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:44:08,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3] total 9 [2019-11-19 23:44:08,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779641546] [2019-11-19 23:44:08,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 23:44:08,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:44:08,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 23:44:08,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-19 23:44:08,224 INFO L87 Difference]: Start difference. First operand 19586 states and 21467 transitions. Second operand 9 states. [2019-11-19 23:44:14,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:14,394 INFO L93 Difference]: Finished difference Result 51329 states and 56019 transitions. [2019-11-19 23:44:14,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-19 23:44:14,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 612 [2019-11-19 23:44:14,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:14,419 INFO L225 Difference]: With dead ends: 51329 [2019-11-19 23:44:14,419 INFO L226 Difference]: Without dead ends: 26962 [2019-11-19 23:44:14,431 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 625 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2019-11-19 23:44:14,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26962 states. [2019-11-19 23:44:14,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26962 to 16454. [2019-11-19 23:44:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16454 states. [2019-11-19 23:44:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 17446 transitions. [2019-11-19 23:44:14,698 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 17446 transitions. Word has length 612 [2019-11-19 23:44:14,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:14,698 INFO L462 AbstractCegarLoop]: Abstraction has 16454 states and 17446 transitions. [2019-11-19 23:44:14,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 23:44:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 17446 transitions. [2019-11-19 23:44:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2019-11-19 23:44:14,709 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:14,709 INFO L410 BasicCegarLoop]: trace histogram [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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:44:14,909 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:44:14,910 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:14,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:14,910 INFO L82 PathProgramCache]: Analyzing trace with hash -16219105, now seen corresponding path program 1 times [2019-11-19 23:44:14,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:14,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839007562] [2019-11-19 23:44:14,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 784 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-11-19 23:44:15,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839007562] [2019-11-19 23:44:15,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:44:15,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:44:15,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990223595] [2019-11-19 23:44:15,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:44:15,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:44:15,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:44:15,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:44:15,341 INFO L87 Difference]: Start difference. First operand 16454 states and 17446 transitions. Second operand 3 states. [2019-11-19 23:44:15,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:15,959 INFO L93 Difference]: Finished difference Result 29195 states and 30989 transitions. [2019-11-19 23:44:15,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:44:15,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 612 [2019-11-19 23:44:15,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:15,969 INFO L225 Difference]: With dead ends: 29195 [2019-11-19 23:44:15,969 INFO L226 Difference]: Without dead ends: 12555 [2019-11-19 23:44:15,977 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:44:15,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12555 states. [2019-11-19 23:44:16,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12555 to 12001. [2019-11-19 23:44:16,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12001 states. [2019-11-19 23:44:16,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12001 states to 12001 states and 12703 transitions. [2019-11-19 23:44:16,100 INFO L78 Accepts]: Start accepts. Automaton has 12001 states and 12703 transitions. Word has length 612 [2019-11-19 23:44:16,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:16,101 INFO L462 AbstractCegarLoop]: Abstraction has 12001 states and 12703 transitions. [2019-11-19 23:44:16,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:44:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 12001 states and 12703 transitions. [2019-11-19 23:44:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2019-11-19 23:44:16,112 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:16,113 INFO L410 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, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:44:16,113 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:16,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:16,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1864892644, now seen corresponding path program 1 times [2019-11-19 23:44:16,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:16,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339462257] [2019-11-19 23:44:16,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 1123 proven. 119 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2019-11-19 23:44:17,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339462257] [2019-11-19 23:44:17,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629556955] [2019-11-19 23:44:17,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:44:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:17,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 23:44:17,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:17,251 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:17,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:17,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:17,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:17,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:17,255 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:17,258 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:17,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:44:35,525 WARN L191 SmtUtils]: Spent 16.19 s on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2019-11-19 23:46:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 736 proven. 54 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2019-11-19 23:46:24,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:46:24,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2019-11-19 23:46:24,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278761708] [2019-11-19 23:46:24,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 23:46:24,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:46:24,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 23:46:24,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2019-11-19 23:46:24,006 INFO L87 Difference]: Start difference. First operand 12001 states and 12703 transitions. Second operand 8 states. [2019-11-19 23:49:38,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:49:38,815 INFO L93 Difference]: Finished difference Result 14954 states and 15796 transitions. [2019-11-19 23:49:38,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 23:49:38,815 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 737 [2019-11-19 23:49:38,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:49:38,816 INFO L225 Difference]: With dead ends: 14954 [2019-11-19 23:49:38,816 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:49:38,820 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 684 SyntacticMatches, 53 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 124.9s TimeCoverageRelationStatistics Valid=27, Invalid=44, Unknown=1, NotChecked=0, Total=72 [2019-11-19 23:49:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:49:38,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:49:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:49:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:49:38,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 737 [2019-11-19 23:49:38,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:49:38,822 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:49:38,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 23:49:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:49:38,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:49:39,032 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:49:39,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:49:39,987 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 415 [2019-11-19 23:49:40,746 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 415 [2019-11-19 23:49:51,598 WARN L191 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 383 DAG size of output: 111 [2019-11-19 23:50:03,981 WARN L191 SmtUtils]: Spent 12.38 s on a formula simplification. DAG size of input: 383 DAG size of output: 111 [2019-11-19 23:50:03,983 INFO L444 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L447 ceAbstractionStarter]: At program point L1028(lines 1028 1044) the Hoare annotation is: true [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-19 23:50:03,984 INFO L444 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,985 INFO L444 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-11-19 23:50:03,986 INFO L444 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2019-11-19 23:50:03,986 INFO L444 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2019-11-19 23:50:03,986 INFO L444 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,986 INFO L440 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse23 (not (= ~a25~0 9))) (.cse12 (< 138 ~a23~0)) (.cse9 (< 140 ~a29~0)) (.cse0 (= 1 ~a3~0)) (.cse2 (= 15 ~a8~0)) (.cse3 (= 1 ~a4~0))) (let ((.cse11 (= 10 ~a25~0)) (.cse1 (= 12 ~a25~0)) (.cse25 (+ ~a23~0 43)) (.cse24 (or (and .cse23 .cse9 .cse12) (and .cse9 .cse0 .cse2 .cse3))) (.cse10 (<= ~a29~0 274))) (let ((.cse17 (and .cse24 .cse10)) (.cse19 (<= ~a29~0 277)) (.cse18 (<= 187 ~a29~0)) (.cse4 (<= 312 ~a23~0)) (.cse15 (not (= ~a25~0 13))) (.cse16 (or (<= .cse25 0) .cse12)) (.cse8 (<= ~a29~0 140)) (.cse13 (<= ~a23~0 306)) (.cse5 (<= ~a4~0 0)) (.cse6 (< 0 .cse25)) (.cse7 (<= ~a23~0 247)) (.cse20 (not .cse1)) (.cse21 (not (= ~a25~0 11))) (.cse22 (not .cse11))) (or (and (and .cse0 (and .cse1 (<= ~a29~0 130))) .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse2 .cse3) (and (and .cse0 .cse2 .cse3 .cse12) .cse13) (let ((.cse14 (div (+ (- ~a29~0) (- 554771)) (- 3)))) (and (< 140 .cse14) .cse15 (= (mod (+ (* ~a29~0 2) 1) (- 3)) 0) .cse2 .cse7 .cse16 (<= .cse14 245))) (and (<= 153 ~a29~0) .cse2 .cse3 .cse17) (and .cse13 .cse2 .cse17) (and (and .cse15 .cse18 .cse19) .cse2 .cse3 .cse7) (and (<= 0 (+ ~a29~0 552848)) .cse5 .cse11 .cse2 .cse8) (and .cse20 .cse21 .cse2 .cse3 .cse4 .cse22) (and .cse20 .cse21 .cse2 .cse3 .cse17) (and .cse0 .cse11 .cse2 .cse3) (and (and .cse5 .cse1 .cse19) .cse2) (and (and .cse11 .cse2 .cse19 .cse12) .cse7) (and .cse1 .cse2 .cse3 .cse7 .cse8) (and .cse5 .cse15 .cse18 .cse2 .cse7) (and (and .cse9 .cse4) .cse2 .cse3) (and .cse23 .cse15 .cse2 .cse7 .cse16 .cse8) (and .cse13 (and .cse24 .cse2) (<= 93834 ~a29~0)) (and .cse24 .cse2 .cse3 (<= 260 ~a29~0)) (and (and (<= 12 ~a25~0) .cse5 .cse6) .cse2 .cse7) (and .cse23 .cse20 .cse21 .cse2 .cse3 .cse12 .cse22))))) [2019-11-19 23:50:03,986 INFO L444 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,986 INFO L444 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,986 INFO L444 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-11-19 23:50:03,987 INFO L444 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,988 INFO L444 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-11-19 23:50:03,989 INFO L444 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,990 INFO L444 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,991 INFO L444 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2019-11-19 23:50:03,992 INFO L444 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,993 INFO L444 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2019-11-19 23:50:03,994 INFO L444 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,995 INFO L444 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,995 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,995 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,995 INFO L444 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,995 INFO L444 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,995 INFO L444 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,995 INFO L444 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,995 INFO L444 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,995 INFO L444 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,997 INFO L444 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,997 INFO L444 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-11-19 23:50:03,997 INFO L444 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2019-11-19 23:50:03,997 INFO L444 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-11-19 23:50:03,997 INFO L444 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-11-19 23:50:03,997 INFO L444 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2019-11-19 23:50:03,997 INFO L444 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,997 INFO L444 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,998 INFO L444 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2019-11-19 23:50:03,999 INFO L444 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2019-11-19 23:50:04,000 INFO L444 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,001 INFO L444 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,002 INFO L444 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,003 INFO L444 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-11-19 23:50:04,004 INFO L444 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-19 23:50:04,004 INFO L444 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-11-19 23:50:04,004 INFO L444 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,004 INFO L444 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,004 INFO L444 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,004 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:50:04,004 INFO L444 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,004 INFO L444 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,005 INFO L444 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,005 INFO L444 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,005 INFO L444 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,005 INFO L444 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,005 INFO L444 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,005 INFO L444 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-11-19 23:50:04,005 INFO L444 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-19 23:50:04,006 INFO L444 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2019-11-19 23:50:04,006 INFO L444 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,006 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2019-11-19 23:50:04,006 INFO L444 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2019-11-19 23:50:04,006 INFO L444 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,006 INFO L444 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,006 INFO L444 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,007 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,007 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,007 INFO L444 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,007 INFO L444 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-11-19 23:50:04,007 INFO L444 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2019-11-19 23:50:04,007 INFO L444 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2019-11-19 23:50:04,007 INFO L444 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,008 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,008 INFO L444 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,008 INFO L440 ceAbstractionStarter]: At program point L1025(lines 22 1026) the Hoare annotation is: (let ((.cse23 (not (= ~a25~0 9))) (.cse12 (< 138 ~a23~0)) (.cse9 (< 140 ~a29~0)) (.cse0 (= 1 ~a3~0)) (.cse2 (= 15 ~a8~0)) (.cse3 (= 1 ~a4~0))) (let ((.cse11 (= 10 ~a25~0)) (.cse1 (= 12 ~a25~0)) (.cse25 (+ ~a23~0 43)) (.cse24 (or (and .cse23 .cse9 .cse12) (and .cse9 .cse0 .cse2 .cse3))) (.cse10 (<= ~a29~0 274))) (let ((.cse17 (and .cse24 .cse10)) (.cse19 (<= ~a29~0 277)) (.cse18 (<= 187 ~a29~0)) (.cse4 (<= 312 ~a23~0)) (.cse15 (not (= ~a25~0 13))) (.cse16 (or (<= .cse25 0) .cse12)) (.cse8 (<= ~a29~0 140)) (.cse13 (<= ~a23~0 306)) (.cse5 (<= ~a4~0 0)) (.cse6 (< 0 .cse25)) (.cse7 (<= ~a23~0 247)) (.cse20 (not .cse1)) (.cse21 (not (= ~a25~0 11))) (.cse22 (not .cse11))) (or (and (and .cse0 (and .cse1 (<= ~a29~0 130))) .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse2 .cse3) (and (and .cse0 .cse2 .cse3 .cse12) .cse13) (let ((.cse14 (div (+ (- ~a29~0) (- 554771)) (- 3)))) (and (< 140 .cse14) .cse15 (= (mod (+ (* ~a29~0 2) 1) (- 3)) 0) .cse2 .cse7 .cse16 (<= .cse14 245))) (and (<= 153 ~a29~0) .cse2 .cse3 .cse17) (and .cse13 .cse2 .cse17) (and (and .cse15 .cse18 .cse19) .cse2 .cse3 .cse7) (and (<= 0 (+ ~a29~0 552848)) .cse5 .cse11 .cse2 .cse8) (and .cse20 .cse21 .cse2 .cse3 .cse4 .cse22) (and .cse20 .cse21 .cse2 .cse3 .cse17) (and .cse0 .cse11 .cse2 .cse3) (and (and .cse5 .cse1 .cse19) .cse2) (and (and .cse11 .cse2 .cse19 .cse12) .cse7) (and .cse1 .cse2 .cse3 .cse7 .cse8) (and .cse5 .cse15 .cse18 .cse2 .cse7) (and (and .cse9 .cse4) .cse2 .cse3) (and .cse23 .cse15 .cse2 .cse7 .cse16 .cse8) (and .cse13 (and .cse24 .cse2) (<= 93834 ~a29~0)) (and .cse24 .cse2 .cse3 (<= 260 ~a29~0)) (and (and (<= 12 ~a25~0) .cse5 .cse6) .cse2 .cse7) (and .cse23 .cse20 .cse21 .cse2 .cse3 .cse12 .cse22))))) [2019-11-19 23:50:04,008 INFO L444 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,008 INFO L444 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2019-11-19 23:50:04,008 INFO L444 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2019-11-19 23:50:04,008 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,009 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,009 INFO L444 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2019-11-19 23:50:04,009 INFO L444 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,009 INFO L444 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,009 INFO L444 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2019-11-19 23:50:04,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:50:04 BoogieIcfgContainer [2019-11-19 23:50:04,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:50:04,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:50:04,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:50:04,049 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:50:04,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:43:19" (3/4) ... [2019-11-19 23:50:04,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:50:04,103 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 23:50:04,116 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:50:04,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e76630f6-da2b-48ad-b404-249274b16b6a/bin/uautomizer/witness.graphml [2019-11-19 23:50:04,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:50:04,291 INFO L168 Benchmark]: Toolchain (without parser) took 408173.01 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 944.7 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 960.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:04,291 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:50:04,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:04,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.72 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:04,292 INFO L168 Benchmark]: Boogie Preprocessor took 98.02 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:04,293 INFO L168 Benchmark]: RCFGBuilder took 2192.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.1 MB in the end (delta: 184.9 MB). Peak memory consumption was 184.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:04,293 INFO L168 Benchmark]: TraceAbstraction took 404567.29 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 896.1 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2019-11-19 23:50:04,294 INFO L168 Benchmark]: Witness Printer took 241.51 ms. Allocated memory is still 3.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:04,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 912.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 156.72 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.02 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2192.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.1 MB in the end (delta: 184.9 MB). Peak memory consumption was 184.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 404567.29 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 896.1 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 241.51 ms. Allocated memory is still 3.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((1 == a3 && 12 == a25 && a29 <= 130) && 15 == a8) && 1 == a4) && 312 <= a23) || ((((a4 <= 0 && 0 < a23 + 43) && 15 == a8) && a23 <= 247) && a29 <= 140)) || ((((140 < a29 && a29 <= 274) && 10 == a25) && 15 == a8) && 1 == a4)) || ((((1 == a3 && 15 == a8) && 1 == a4) && 138 < a23) && a23 <= 306)) || ((((((140 < (-a29 + -554771) / -3 && !(a25 == 13)) && (a29 * 2 + 1) % -3 == 0) && 15 == a8) && a23 <= 247) && (a23 + 43 <= 0 || 138 < a23)) && (-a29 + -554771) / -3 <= 245)) || (((153 <= a29 && 15 == a8) && 1 == a4) && (((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && a29 <= 274)) || ((a23 <= 306 && 15 == a8) && (((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && a29 <= 274)) || (((((!(a25 == 13) && 187 <= a29) && a29 <= 277) && 15 == a8) && 1 == a4) && a23 <= 247)) || ((((0 <= a29 + 552848 && a4 <= 0) && 10 == a25) && 15 == a8) && a29 <= 140)) || (((((!(12 == a25) && !(a25 == 11)) && 15 == a8) && 1 == a4) && 312 <= a23) && !(10 == a25))) || ((((!(12 == a25) && !(a25 == 11)) && 15 == a8) && 1 == a4) && (((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && a29 <= 274)) || (((1 == a3 && 10 == a25) && 15 == a8) && 1 == a4)) || (((a4 <= 0 && 12 == a25) && a29 <= 277) && 15 == a8)) || ((((10 == a25 && 15 == a8) && a29 <= 277) && 138 < a23) && a23 <= 247)) || ((((12 == a25 && 15 == a8) && 1 == a4) && a23 <= 247) && a29 <= 140)) || ((((a4 <= 0 && !(a25 == 13)) && 187 <= a29) && 15 == a8) && a23 <= 247)) || (((140 < a29 && 312 <= a23) && 15 == a8) && 1 == a4)) || (((((!(a25 == 9) && !(a25 == 13)) && 15 == a8) && a23 <= 247) && (a23 + 43 <= 0 || 138 < a23)) && a29 <= 140)) || ((a23 <= 306 && (((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && 15 == a8) && 93834 <= a29)) || ((((((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && 15 == a8) && 1 == a4) && 260 <= a29)) || ((((12 <= a25 && a4 <= 0) && 0 < a23 + 43) && 15 == a8) && a23 <= 247)) || ((((((!(a25 == 9) && !(12 == a25)) && !(a25 == 11)) && 15 == a8) && 1 == a4) && 138 < a23) && !(10 == a25)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((1 == a3 && 12 == a25 && a29 <= 130) && 15 == a8) && 1 == a4) && 312 <= a23) || ((((a4 <= 0 && 0 < a23 + 43) && 15 == a8) && a23 <= 247) && a29 <= 140)) || ((((140 < a29 && a29 <= 274) && 10 == a25) && 15 == a8) && 1 == a4)) || ((((1 == a3 && 15 == a8) && 1 == a4) && 138 < a23) && a23 <= 306)) || ((((((140 < (-a29 + -554771) / -3 && !(a25 == 13)) && (a29 * 2 + 1) % -3 == 0) && 15 == a8) && a23 <= 247) && (a23 + 43 <= 0 || 138 < a23)) && (-a29 + -554771) / -3 <= 245)) || (((153 <= a29 && 15 == a8) && 1 == a4) && (((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && a29 <= 274)) || ((a23 <= 306 && 15 == a8) && (((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && a29 <= 274)) || (((((!(a25 == 13) && 187 <= a29) && a29 <= 277) && 15 == a8) && 1 == a4) && a23 <= 247)) || ((((0 <= a29 + 552848 && a4 <= 0) && 10 == a25) && 15 == a8) && a29 <= 140)) || (((((!(12 == a25) && !(a25 == 11)) && 15 == a8) && 1 == a4) && 312 <= a23) && !(10 == a25))) || ((((!(12 == a25) && !(a25 == 11)) && 15 == a8) && 1 == a4) && (((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && a29 <= 274)) || (((1 == a3 && 10 == a25) && 15 == a8) && 1 == a4)) || (((a4 <= 0 && 12 == a25) && a29 <= 277) && 15 == a8)) || ((((10 == a25 && 15 == a8) && a29 <= 277) && 138 < a23) && a23 <= 247)) || ((((12 == a25 && 15 == a8) && 1 == a4) && a23 <= 247) && a29 <= 140)) || ((((a4 <= 0 && !(a25 == 13)) && 187 <= a29) && 15 == a8) && a23 <= 247)) || (((140 < a29 && 312 <= a23) && 15 == a8) && 1 == a4)) || (((((!(a25 == 9) && !(a25 == 13)) && 15 == a8) && a23 <= 247) && (a23 + 43 <= 0 || 138 < a23)) && a29 <= 140)) || ((a23 <= 306 && (((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && 15 == a8) && 93834 <= a29)) || ((((((!(a25 == 9) && 140 < a29) && 138 < a23) || (((140 < a29 && 1 == a3) && 15 == a8) && 1 == a4)) && 15 == a8) && 1 == a4) && 260 <= a29)) || ((((12 <= a25 && a4 <= 0) && 0 < a23 + 43) && 15 == a8) && a23 <= 247)) || ((((((!(a25 == 9) && !(12 == a25)) && !(a25 == 11)) && 15 == a8) && 1 == a4) && 138 < a23) && !(10 == a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Result: SAFE, OverallTime: 404.4s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 238.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.9s, HoareTripleCheckerStatistics: 1766 SDtfs, 14039 SDslu, 980 SDs, 0 SdLazy, 34112 SolverSat, 5925 SolverUnsat, 96 SolverUnknown, 0 SolverNotchecked, 226.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3527 GetRequests, 3342 SyntacticMatches, 60 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 127.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21078occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 29627 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 230 NumberOfFragments, 1065 HoareAnnotationTreeSize, 3 FomulaSimplifications, 71172 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 25642 FormulaSimplificationTreeSizeReductionInter, 23.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 131.4s InterpolantComputationTime, 8847 NumberOfCodeBlocks, 8847 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 8825 ConstructedInterpolants, 60 QuantifiedInterpolants, 20103251 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4474 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 12402/13956 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...