./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.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_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:05:38,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:05:38,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:05:38,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:05:38,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:05:38,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:05:38,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:05:38,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:05:38,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:05:38,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:05:38,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:05:38,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:05:38,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:05:38,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:05:38,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:05:38,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:05:38,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:05:38,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:05:38,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:05:38,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:05:38,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:05:38,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:05:38,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:05:38,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:05:38,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:05:38,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:05:38,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:05:38,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:05:38,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:05:38,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:05:38,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:05:38,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:05:38,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:05:38,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:05:38,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:05:38,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:05:38,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:05:38,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:05:38,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:05:38,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:05:38,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:05:38,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:05:38,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:05:38,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:05:38,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:05:38,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:05:38,345 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:05:38,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:05:38,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:05:38,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:05:38,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:05:38,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:05:38,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:05:38,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:05:38,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:05:38,348 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:05:38,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:05:38,348 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:05:38,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:05:38,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:05:38,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:05:38,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:05:38,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:05:38,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:05:38,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:05:38,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:05:38,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:05:38,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:05:38,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:05:38,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:05:38,351 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_dc55f1c9-ecab-428e-a969-5721585c12c3/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2019-11-20 10:05:38,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:05:38,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:05:38,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:05:38,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:05:38,548 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:05:38,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2019-11-20 10:05:38,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/data/a9812e180/81e135c0512d4b2a96d6b85e8afed122/FLAGb0ae92e44 [2019-11-20 10:05:39,171 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:05:39,172 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2019-11-20 10:05:39,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/data/a9812e180/81e135c0512d4b2a96d6b85e8afed122/FLAGb0ae92e44 [2019-11-20 10:05:39,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/data/a9812e180/81e135c0512d4b2a96d6b85e8afed122 [2019-11-20 10:05:39,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:05:39,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:05:39,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:05:39,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:05:39,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:05:39,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:05:39" (1/1) ... [2019-11-20 10:05:39,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650f98dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:39, skipping insertion in model container [2019-11-20 10:05:39,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:05:39" (1/1) ... [2019-11-20 10:05:39,599 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:05:39,667 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:05:40,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:05:40,220 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:05:40,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:05:40,377 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:05:40,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40 WrapperNode [2019-11-20 10:05:40,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:05:40,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:05:40,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:05:40,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:05:40,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... [2019-11-20 10:05:40,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... [2019-11-20 10:05:40,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:05:40,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:05:40,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:05:40,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:05:40,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... [2019-11-20 10:05:40,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... [2019-11-20 10:05:40,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... [2019-11-20 10:05:40,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... [2019-11-20 10:05:40,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... [2019-11-20 10:05:40,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... [2019-11-20 10:05:40,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... [2019-11-20 10:05:40,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:05:40,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:05:40,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:05:40,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:05:40,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/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 [2019-11-20 10:05:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:05:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:05:42,141 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:05:42,141 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:05:42,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:42 BoogieIcfgContainer [2019-11-20 10:05:42,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:05:42,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:05:42,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:05:42,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:05:42,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:05:39" (1/3) ... [2019-11-20 10:05:42,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e282818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:05:42, skipping insertion in model container [2019-11-20 10:05:42,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:40" (2/3) ... [2019-11-20 10:05:42,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e282818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:05:42, skipping insertion in model container [2019-11-20 10:05:42,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:42" (3/3) ... [2019-11-20 10:05:42,149 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label22.c [2019-11-20 10:05:42,158 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:05:42,164 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:05:42,174 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:05:42,197 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:05:42,198 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:05:42,198 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:05:42,198 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:05:42,198 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:05:42,198 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:05:42,199 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:05:42,199 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:05:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-20 10:05:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 10:05:42,230 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:05:42,231 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:05:42,231 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:05:42,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:05:42,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1473688725, now seen corresponding path program 1 times [2019-11-20 10:05:42,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:05:42,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182241551] [2019-11-20 10:05:42,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:05:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:05:42,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182241551] [2019-11-20 10:05:42,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:05:42,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:05:42,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133398957] [2019-11-20 10:05:42,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:05:42,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:05:42,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:05:42,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:05:42,669 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-20 10:05:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:05:44,230 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-20 10:05:44,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:05:44,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2019-11-20 10:05:44,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:05:44,258 INFO L225 Difference]: With dead ends: 739 [2019-11-20 10:05:44,259 INFO L226 Difference]: Without dead ends: 445 [2019-11-20 10:05:44,267 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 [2019-11-20 10:05:44,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-20 10:05:44,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-20 10:05:44,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-20 10:05:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-20 10:05:44,389 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 97 [2019-11-20 10:05:44,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:05:44,390 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-20 10:05:44,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:05:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-20 10:05:44,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-20 10:05:44,402 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:05:44,403 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-20 10:05:44,404 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:05:44,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:05:44,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1100128886, now seen corresponding path program 1 times [2019-11-20 10:05:44,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:05:44,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464779080] [2019-11-20 10:05:44,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:05:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:05:44,500 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464779080] [2019-11-20 10:05:44,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:05:44,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:05:44,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308849361] [2019-11-20 10:05:44,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:05:44,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:05:44,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:05:44,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:05:44,503 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-20 10:05:45,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:05:45,495 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-20 10:05:45,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:05:45,496 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2019-11-20 10:05:45,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:05:45,502 INFO L225 Difference]: With dead ends: 1470 [2019-11-20 10:05:45,503 INFO L226 Difference]: Without dead ends: 1027 [2019-11-20 10:05:45,505 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:05:45,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-20 10:05:45,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-20 10:05:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-20 10:05:45,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-20 10:05:45,560 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 115 [2019-11-20 10:05:45,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:05:45,562 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-20 10:05:45,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:05:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-20 10:05:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 10:05:45,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:05:45,568 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:05:45,568 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:05:45,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:05:45,569 INFO L82 PathProgramCache]: Analyzing trace with hash -863206337, now seen corresponding path program 1 times [2019-11-20 10:05:45,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:05:45,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243525075] [2019-11-20 10:05:45,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:05:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:05:45,714 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243525075] [2019-11-20 10:05:45,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:05:45,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:05:45,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631219425] [2019-11-20 10:05:45,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:05:45,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:05:45,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:05:45,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:05:45,717 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-20 10:05:46,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:05:46,816 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-20 10:05:46,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:05:46,817 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-11-20 10:05:46,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:05:46,829 INFO L225 Difference]: With dead ends: 2582 [2019-11-20 10:05:46,829 INFO L226 Difference]: Without dead ends: 1855 [2019-11-20 10:05:46,831 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 [2019-11-20 10:05:46,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-20 10:05:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-20 10:05:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-20 10:05:46,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-11-20 10:05:46,875 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 119 [2019-11-20 10:05:46,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:05:46,875 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-11-20 10:05:46,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:05:46,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-11-20 10:05:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 10:05:46,878 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:05:46,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:05:46,879 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:05:46,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:05:46,879 INFO L82 PathProgramCache]: Analyzing trace with hash -2086608492, now seen corresponding path program 1 times [2019-11-20 10:05:46,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:05:46,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824151791] [2019-11-20 10:05:46,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:05:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:05:46,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824151791] [2019-11-20 10:05:46,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:05:46,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:05:46,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021179752] [2019-11-20 10:05:46,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:05:46,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:05:46,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:05:46,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:05:46,935 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-11-20 10:05:47,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:05:47,599 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-11-20 10:05:47,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:05:47,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-11-20 10:05:47,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:05:47,613 INFO L225 Difference]: With dead ends: 3840 [2019-11-20 10:05:47,613 INFO L226 Difference]: Without dead ends: 2272 [2019-11-20 10:05:47,616 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 [2019-11-20 10:05:47,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-20 10:05:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-20 10:05:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-20 10:05:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-11-20 10:05:47,682 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 119 [2019-11-20 10:05:47,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:05:47,683 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-11-20 10:05:47,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:05:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-11-20 10:05:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-20 10:05:47,689 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:05:47,689 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:05:47,689 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:05:47,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:05:47,690 INFO L82 PathProgramCache]: Analyzing trace with hash 815056745, now seen corresponding path program 1 times [2019-11-20 10:05:47,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:05:47,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275644846] [2019-11-20 10:05:47,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:05:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:05:47,823 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275644846] [2019-11-20 10:05:47,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:05:47,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:05:47,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922471894] [2019-11-20 10:05:47,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:05:47,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:05:47,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:05:47,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:05:47,825 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-11-20 10:05:48,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:05:48,463 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-11-20 10:05:48,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:05:48,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-11-20 10:05:48,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:05:48,482 INFO L225 Difference]: With dead ends: 5381 [2019-11-20 10:05:48,482 INFO L226 Difference]: Without dead ends: 2546 [2019-11-20 10:05:48,487 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 [2019-11-20 10:05:48,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-11-20 10:05:48,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-11-20 10:05:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-11-20 10:05:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-11-20 10:05:48,551 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 124 [2019-11-20 10:05:48,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:05:48,552 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-11-20 10:05:48,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:05:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-11-20 10:05:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 10:05:48,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:05:48,557 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2019-11-20 10:05:48,557 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:05:48,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:05:48,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1644246799, now seen corresponding path program 1 times [2019-11-20 10:05:48,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:05:48,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589295848] [2019-11-20 10:05:48,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:05:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:05:48,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589295848] [2019-11-20 10:05:48,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:05:48,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:05:48,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347641186] [2019-11-20 10:05:48,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:05:48,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:05:48,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:05:48,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:05:48,677 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-11-20 10:05:49,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:05:49,381 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-11-20 10:05:49,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:05:49,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2019-11-20 10:05:49,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:05:49,393 INFO L225 Difference]: With dead ends: 4388 [2019-11-20 10:05:49,393 INFO L226 Difference]: Without dead ends: 1985 [2019-11-20 10:05:49,396 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 [2019-11-20 10:05:49,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-11-20 10:05:49,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-11-20 10:05:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-11-20 10:05:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-11-20 10:05:49,474 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 135 [2019-11-20 10:05:49,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:05:49,476 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-11-20 10:05:49,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:05:49,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-11-20 10:05:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 10:05:49,480 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:05:49,480 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2019-11-20 10:05:49,481 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:05:49,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:05:49,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1413147857, now seen corresponding path program 1 times [2019-11-20 10:05:49,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:05:49,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496094755] [2019-11-20 10:05:49,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:05:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:05:49,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496094755] [2019-11-20 10:05:49,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:05:49,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:05:49,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116162147] [2019-11-20 10:05:49,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:05:49,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:05:49,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:05:49,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:05:49,574 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-11-20 10:05:50,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:05:50,107 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-11-20 10:05:50,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:05:50,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-11-20 10:05:50,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:05:50,117 INFO L225 Difference]: With dead ends: 3411 [2019-11-20 10:05:50,117 INFO L226 Difference]: Without dead ends: 1707 [2019-11-20 10:05:50,120 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 [2019-11-20 10:05:50,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-20 10:05:50,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-11-20 10:05:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-20 10:05:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-11-20 10:05:50,159 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 148 [2019-11-20 10:05:50,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:05:50,160 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-11-20 10:05:50,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:05:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-11-20 10:05:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-20 10:05:50,168 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:05:50,169 INFO L410 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:05:50,169 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:05:50,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:05:50,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1048373574, now seen corresponding path program 1 times [2019-11-20 10:05:50,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:05:50,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163725051] [2019-11-20 10:05:50,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:05:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:50,409 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-20 10:05:50,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163725051] [2019-11-20 10:05:50,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857679843] [2019-11-20 10:05:50,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/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 [2019-11-20 10:05:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:50,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:05:50,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:05:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 10:05:50,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 10:05:50,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-20 10:05:50,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281367530] [2019-11-20 10:05:50,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:05:50,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:05:50,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:05:50,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:05:50,713 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-11-20 10:05:51,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:05:51,328 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-11-20 10:05:51,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:05:51,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-11-20 10:05:51,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:05:51,329 INFO L225 Difference]: With dead ends: 3818 [2019-11-20 10:05:51,329 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:05:51,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:05:51,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:05:51,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:05:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:05:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:05:51,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2019-11-20 10:05:51,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:05:51,334 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:05:51,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:05:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:05:51,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:05:51,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:05:51,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:05:51,890 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-20 10:05:52,143 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-20 10:05:52,146 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,146 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,146 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,146 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-20 10:05:52,146 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-20 10:05:52,146 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-20 10:05:52,146 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-20 10:05:52,146 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-20 10:05:52,146 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-20 10:05:52,147 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,148 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-20 10:05:52,149 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-20 10:05:52,150 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-20 10:05:52,151 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-20 10:05:52,152 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-20 10:05:52,158 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-20 10:05:52,158 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-20 10:05:52,158 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:05:52,158 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-20 10:05:52,159 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-20 10:05:52,159 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-20 10:05:52,159 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,159 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,159 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,159 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-20 10:05:52,159 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-20 10:05:52,160 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-20 10:05:52,160 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-20 10:05:52,160 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-20 10:05:52,160 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,160 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,160 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,160 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-20 10:05:52,161 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-20 10:05:52,161 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-20 10:05:52,161 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-20 10:05:52,161 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-20 10:05:52,161 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-20 10:05:52,161 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-20 10:05:52,161 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-20 10:05:52,162 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-20 10:05:52,162 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-20 10:05:52,162 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:05:52,162 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2019-11-20 10:05:52,162 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-20 10:05:52,162 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,162 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,163 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-20 10:05:52,163 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-20 10:05:52,163 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-20 10:05:52,163 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-20 10:05:52,163 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-20 10:05:52,163 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-20 10:05:52,163 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-20 10:05:52,164 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-20 10:05:52,164 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-20 10:05:52,165 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-20 10:05:52,165 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,165 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,166 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-20 10:05:52,166 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-20 10:05:52,166 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-20 10:05:52,166 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-20 10:05:52,166 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-20 10:05:52,166 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-20 10:05:52,166 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-20 10:05:52,167 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,167 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,167 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-20 10:05:52,167 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-20 10:05:52,167 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-20 10:05:52,167 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-20 10:05:52,167 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-20 10:05:52,167 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-20 10:05:52,168 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-20 10:05:52,168 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-20 10:05:52,168 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-20 10:05:52,168 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,168 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,168 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-20 10:05:52,168 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-20 10:05:52,168 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-20 10:05:52,169 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-20 10:05:52,169 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-20 10:05:52,169 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-20 10:05:52,169 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-20 10:05:52,169 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,169 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,170 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-20 10:05:52,170 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-20 10:05:52,170 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-20 10:05:52,170 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-20 10:05:52,170 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-20 10:05:52,170 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,170 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,170 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-20 10:05:52,171 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-20 10:05:52,171 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-20 10:05:52,171 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-20 10:05:52,171 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-20 10:05:52,171 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-20 10:05:52,171 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-20 10:05:52,171 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-20 10:05:52,171 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-20 10:05:52,172 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,175 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,175 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-20 10:05:52,175 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,175 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-20 10:05:52,175 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-20 10:05:52,175 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-20 10:05:52,176 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-20 10:05:52,176 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-20 10:05:52,176 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:05:52,176 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-20 10:05:52,176 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,176 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,176 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,177 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-20 10:05:52,177 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-20 10:05:52,177 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-20 10:05:52,177 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-20 10:05:52,177 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-20 10:05:52,177 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,177 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,177 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,178 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-20 10:05:52,178 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-20 10:05:52,178 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-20 10:05:52,178 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-20 10:05:52,178 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-20 10:05:52,178 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-20 10:05:52,178 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,178 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,179 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,179 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-20 10:05:52,179 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-20 10:05:52,179 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-20 10:05:52,179 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-20 10:05:52,179 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-20 10:05:52,179 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-20 10:05:52,180 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:05:52,180 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-20 10:05:52,180 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-20 10:05:52,180 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,180 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,180 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,180 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-20 10:05:52,180 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-20 10:05:52,181 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-20 10:05:52,181 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-20 10:05:52,181 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-20 10:05:52,181 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,181 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,181 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 10:05:52,181 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-20 10:05:52,182 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-20 10:05:52,182 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-20 10:05:52,182 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-20 10:05:52,182 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-20 10:05:52,182 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-20 10:05:52,182 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-20 10:05:52,182 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-20 10:05:52,182 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-20 10:05:52,183 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-20 10:05:52,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:05:52 BoogieIcfgContainer [2019-11-20 10:05:52,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:05:52,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:05:52,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:05:52,214 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:05:52,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:42" (3/4) ... [2019-11-20 10:05:52,217 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:05:52,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:05:52,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:05:52,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dc55f1c9-ecab-428e-a969-5721585c12c3/bin/uautomizer/witness.graphml [2019-11-20 10:05:52,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:05:52,442 INFO L168 Benchmark]: Toolchain (without parser) took 12862.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 130.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:05:52,443 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:05:52,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -230.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:05:52,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:05:52,444 INFO L168 Benchmark]: Boogie Preprocessor took 79.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:05:52,444 INFO L168 Benchmark]: RCFGBuilder took 1583.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:05:52,445 INFO L168 Benchmark]: TraceAbstraction took 10069.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -76.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:05:52,445 INFO L168 Benchmark]: Witness Printer took 227.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:05:52,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 799.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -230.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1583.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10069.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -76.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Witness Printer took 227.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.9s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 1152 SDtfs, 1603 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 289 HoareAnnotationTreeSize, 3 FomulaSimplifications, 606 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 312 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1341 NumberOfCodeBlocks, 1341 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 433376 SizeOfPredicates, 1 NumberOfNonLiveVariables, 406 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 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...