./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label06.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/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 efd71a57cd4457ad6c114bfe7c857bcc7788c3aa ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:03:58,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:03:58,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:03:58,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:03:58,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:03:58,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:03:58,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:03:58,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:03:58,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:03:58,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:03:58,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:03:58,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:03:58,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:03:58,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:03:58,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:03:58,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:03:58,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:03:58,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:03:58,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:03:58,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:03:58,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:03:58,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:03:58,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:03:58,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:03:58,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:03:58,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:03:58,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:03:58,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:03:58,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:03:58,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:03:58,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:03:58,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:03:58,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:03:58,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:03:58,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:03:58,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:03:58,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:03:58,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:03:58,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:03:58,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:03:58,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:03:58,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:03:58,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:03:58,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:03:58,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:03:58,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:03:58,207 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:03:58,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:03:58,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:03:58,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:03:58,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:03:58,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:03:58,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:03:58,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:03:58,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:03:58,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:03:58,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:03:58,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:03:58,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:03:58,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:03:58,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:03:58,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:03:58,210 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_5f2464d9-addb-4255-8205-aa93e9d68ec2/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 -> efd71a57cd4457ad6c114bfe7c857bcc7788c3aa [2019-12-07 15:03:58,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:03:58,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:03:58,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:03:58,320 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:03:58,320 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:03:58,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2019-12-07 15:03:58,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/data/18588b9af/f72b2bee60cb4a13a59986429b18ec11/FLAG2e29afa42 [2019-12-07 15:03:58,898 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:03:58,899 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2019-12-07 15:03:58,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/data/18588b9af/f72b2bee60cb4a13a59986429b18ec11/FLAG2e29afa42 [2019-12-07 15:03:59,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/data/18588b9af/f72b2bee60cb4a13a59986429b18ec11 [2019-12-07 15:03:59,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:03:59,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:03:59,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:03:59,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:03:59,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:03:59,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:03:59,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2c5fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59, skipping insertion in model container [2019-12-07 15:03:59,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:03:59,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:03:59,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:03:59,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:03:59,832 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:03:59,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:03:59,986 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:03:59,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59 WrapperNode [2019-12-07 15:03:59,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:03:59,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:03:59,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:03:59,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:03:59,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:04:00,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:04:00,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:04:00,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:04:00,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:04:00,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:04:00,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:04:00,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:04:00,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:04:00,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:04:00,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:04:00,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:04:00,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... [2019-12-07 15:04:00,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:04:00,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:04:00,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:04:00,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:04:00,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/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 [2019-12-07 15:04:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:04:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:04:01,376 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:04:01,376 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 15:04:01,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:04:01 BoogieIcfgContainer [2019-12-07 15:04:01,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:04:01,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:04:01,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:04:01,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:04:01,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:03:59" (1/3) ... [2019-12-07 15:04:01,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431d8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:04:01, skipping insertion in model container [2019-12-07 15:04:01,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:59" (2/3) ... [2019-12-07 15:04:01,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431d8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:04:01, skipping insertion in model container [2019-12-07 15:04:01,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:04:01" (3/3) ... [2019-12-07 15:04:01,382 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label06.c [2019-12-07 15:04:01,389 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:04:01,394 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:04:01,402 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:04:01,421 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:04:01,421 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:04:01,421 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:04:01,421 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:04:01,422 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:04:01,422 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:04:01,422 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:04:01,422 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:04:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-12-07 15:04:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-12-07 15:04:01,449 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:01,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:01,450 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:01,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:01,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1533533723, now seen corresponding path program 1 times [2019-12-07 15:04:01,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:01,460 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433788312] [2019-12-07 15:04:01,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:04:01,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433788312] [2019-12-07 15:04:01,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:01,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:04:01,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352964108] [2019-12-07 15:04:01,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:04:01,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:01,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:04:01,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:04:01,824 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-12-07 15:04:03,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:03,120 INFO L93 Difference]: Finished difference Result 1023 states and 1861 transitions. [2019-12-07 15:04:03,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:04:03,122 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 169 [2019-12-07 15:04:03,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:03,135 INFO L225 Difference]: With dead ends: 1023 [2019-12-07 15:04:03,135 INFO L226 Difference]: Without dead ends: 654 [2019-12-07 15:04:03,138 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 [2019-12-07 15:04:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-12-07 15:04:03,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 652. [2019-12-07 15:04:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-12-07 15:04:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 964 transitions. [2019-12-07 15:04:03,192 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 964 transitions. Word has length 169 [2019-12-07 15:04:03,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:03,193 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 964 transitions. [2019-12-07 15:04:03,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:04:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 964 transitions. [2019-12-07 15:04:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-07 15:04:03,199 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:03,199 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:03,200 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:03,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:03,200 INFO L82 PathProgramCache]: Analyzing trace with hash 728541020, now seen corresponding path program 1 times [2019-12-07 15:04:03,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:03,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640931082] [2019-12-07 15:04:03,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:04:03,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640931082] [2019-12-07 15:04:03,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:03,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:04:03,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744705154] [2019-12-07 15:04:03,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:03,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:03,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:03,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:04:03,287 INFO L87 Difference]: Start difference. First operand 652 states and 964 transitions. Second operand 3 states. [2019-12-07 15:04:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:03,898 INFO L93 Difference]: Finished difference Result 1929 states and 2864 transitions. [2019-12-07 15:04:03,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:03,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-12-07 15:04:03,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:03,903 INFO L225 Difference]: With dead ends: 1929 [2019-12-07 15:04:03,903 INFO L226 Difference]: Without dead ends: 1279 [2019-12-07 15:04:03,905 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 [2019-12-07 15:04:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-12-07 15:04:03,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1265. [2019-12-07 15:04:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2019-12-07 15:04:03,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1831 transitions. [2019-12-07 15:04:03,928 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1831 transitions. Word has length 177 [2019-12-07 15:04:03,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:03,928 INFO L462 AbstractCegarLoop]: Abstraction has 1265 states and 1831 transitions. [2019-12-07 15:04:03,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1831 transitions. [2019-12-07 15:04:03,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-07 15:04:03,931 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:03,931 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:03,931 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:03,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:03,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1433788651, now seen corresponding path program 1 times [2019-12-07 15:04:03,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:03,932 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329711231] [2019-12-07 15:04:03,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 15:04:03,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329711231] [2019-12-07 15:04:03,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:03,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:04:03,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641426792] [2019-12-07 15:04:03,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:03,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:03,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:03,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:04:03,995 INFO L87 Difference]: Start difference. First operand 1265 states and 1831 transitions. Second operand 3 states. [2019-12-07 15:04:04,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:04,282 INFO L93 Difference]: Finished difference Result 3779 states and 5474 transitions. [2019-12-07 15:04:04,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:04,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-12-07 15:04:04,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:04,292 INFO L225 Difference]: With dead ends: 3779 [2019-12-07 15:04:04,292 INFO L226 Difference]: Without dead ends: 2516 [2019-12-07 15:04:04,294 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 [2019-12-07 15:04:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2019-12-07 15:04:04,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2513. [2019-12-07 15:04:04,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2019-12-07 15:04:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3630 transitions. [2019-12-07 15:04:04,331 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3630 transitions. Word has length 189 [2019-12-07 15:04:04,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:04,332 INFO L462 AbstractCegarLoop]: Abstraction has 2513 states and 3630 transitions. [2019-12-07 15:04:04,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:04,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3630 transitions. [2019-12-07 15:04:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-12-07 15:04:04,336 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:04,336 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:04,336 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:04,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:04,336 INFO L82 PathProgramCache]: Analyzing trace with hash 413925161, now seen corresponding path program 1 times [2019-12-07 15:04:04,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:04,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335984753] [2019-12-07 15:04:04,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-07 15:04:04,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335984753] [2019-12-07 15:04:04,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:04,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:04:04,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442700279] [2019-12-07 15:04:04,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:04,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:04,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:04,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:04:04,390 INFO L87 Difference]: Start difference. First operand 2513 states and 3630 transitions. Second operand 3 states. [2019-12-07 15:04:04,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:04,783 INFO L93 Difference]: Finished difference Result 4986 states and 7206 transitions. [2019-12-07 15:04:04,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:04,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2019-12-07 15:04:04,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:04,796 INFO L225 Difference]: With dead ends: 4986 [2019-12-07 15:04:04,796 INFO L226 Difference]: Without dead ends: 2475 [2019-12-07 15:04:04,799 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 [2019-12-07 15:04:04,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2475 states. [2019-12-07 15:04:04,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 2475. [2019-12-07 15:04:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2475 states. [2019-12-07 15:04:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3502 transitions. [2019-12-07 15:04:04,835 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3502 transitions. Word has length 197 [2019-12-07 15:04:04,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:04,835 INFO L462 AbstractCegarLoop]: Abstraction has 2475 states and 3502 transitions. [2019-12-07 15:04:04,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3502 transitions. [2019-12-07 15:04:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-07 15:04:04,838 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:04,839 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:04,839 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:04,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:04,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1595982807, now seen corresponding path program 1 times [2019-12-07 15:04:04,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:04,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165044301] [2019-12-07 15:04:04,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:04:04,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165044301] [2019-12-07 15:04:04,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:04,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:04:04,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267107624] [2019-12-07 15:04:04,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:04:04,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:04,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:04:04,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:04:04,930 INFO L87 Difference]: Start difference. First operand 2475 states and 3502 transitions. Second operand 5 states. [2019-12-07 15:04:06,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:06,075 INFO L93 Difference]: Finished difference Result 5981 states and 8557 transitions. [2019-12-07 15:04:06,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:04:06,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2019-12-07 15:04:06,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:06,089 INFO L225 Difference]: With dead ends: 5981 [2019-12-07 15:04:06,089 INFO L226 Difference]: Without dead ends: 3508 [2019-12-07 15:04:06,092 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:04:06,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2019-12-07 15:04:06,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 2881. [2019-12-07 15:04:06,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2881 states. [2019-12-07 15:04:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4092 transitions. [2019-12-07 15:04:06,155 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4092 transitions. Word has length 207 [2019-12-07 15:04:06,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:06,155 INFO L462 AbstractCegarLoop]: Abstraction has 2881 states and 4092 transitions. [2019-12-07 15:04:06,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:04:06,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4092 transitions. [2019-12-07 15:04:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-12-07 15:04:06,160 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:06,160 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:06,160 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:06,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:06,161 INFO L82 PathProgramCache]: Analyzing trace with hash -161225717, now seen corresponding path program 1 times [2019-12-07 15:04:06,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:06,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822599827] [2019-12-07 15:04:06,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:06,271 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-12-07 15:04:06,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822599827] [2019-12-07 15:04:06,272 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488680145] [2019-12-07 15:04:06,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/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 [2019-12-07 15:04:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:06,384 INFO L264 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:04:06,394 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:04:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-12-07 15:04:06,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 15:04:06,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-12-07 15:04:06,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943512738] [2019-12-07 15:04:06,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:06,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:06,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:06,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:04:06,447 INFO L87 Difference]: Start difference. First operand 2881 states and 4092 transitions. Second operand 3 states. [2019-12-07 15:04:06,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:06,656 INFO L93 Difference]: Finished difference Result 8637 states and 12270 transitions. [2019-12-07 15:04:06,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:06,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-12-07 15:04:06,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:06,680 INFO L225 Difference]: With dead ends: 8637 [2019-12-07 15:04:06,680 INFO L226 Difference]: Without dead ends: 5758 [2019-12-07 15:04:06,683 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:04:06,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5758 states. [2019-12-07 15:04:06,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5758 to 5756. [2019-12-07 15:04:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5756 states. [2019-12-07 15:04:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5756 states to 5756 states and 8155 transitions. [2019-12-07 15:04:06,750 INFO L78 Accepts]: Start accepts. Automaton has 5756 states and 8155 transitions. Word has length 241 [2019-12-07 15:04:06,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:06,750 INFO L462 AbstractCegarLoop]: Abstraction has 5756 states and 8155 transitions. [2019-12-07 15:04:06,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 5756 states and 8155 transitions. [2019-12-07 15:04:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-12-07 15:04:06,755 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:06,755 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:06,956 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:04:06,956 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:06,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:06,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1637825347, now seen corresponding path program 1 times [2019-12-07 15:04:06,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:06,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607486081] [2019-12-07 15:04:06,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:07,060 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 15:04:07,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607486081] [2019-12-07 15:04:07,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:07,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:04:07,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623662613] [2019-12-07 15:04:07,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:07,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:07,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:07,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:04:07,062 INFO L87 Difference]: Start difference. First operand 5756 states and 8155 transitions. Second operand 3 states. [2019-12-07 15:04:07,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:07,769 INFO L93 Difference]: Finished difference Result 16806 states and 23749 transitions. [2019-12-07 15:04:07,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:07,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-12-07 15:04:07,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:07,822 INFO L225 Difference]: With dead ends: 16806 [2019-12-07 15:04:07,822 INFO L226 Difference]: Without dead ends: 11052 [2019-12-07 15:04:07,828 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 [2019-12-07 15:04:07,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11052 states. [2019-12-07 15:04:07,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11052 to 11048. [2019-12-07 15:04:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11048 states. [2019-12-07 15:04:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 14561 transitions. [2019-12-07 15:04:07,952 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 14561 transitions. Word has length 242 [2019-12-07 15:04:07,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:07,952 INFO L462 AbstractCegarLoop]: Abstraction has 11048 states and 14561 transitions. [2019-12-07 15:04:07,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 14561 transitions. [2019-12-07 15:04:07,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-12-07 15:04:07,961 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:07,961 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:07,961 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:07,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:07,961 INFO L82 PathProgramCache]: Analyzing trace with hash 759817113, now seen corresponding path program 1 times [2019-12-07 15:04:07,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:07,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398065817] [2019-12-07 15:04:07,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:04:08,068 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398065817] [2019-12-07 15:04:08,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:08,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:04:08,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285083320] [2019-12-07 15:04:08,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:04:08,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:08,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:04:08,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:04:08,069 INFO L87 Difference]: Start difference. First operand 11048 states and 14561 transitions. Second operand 4 states. [2019-12-07 15:04:09,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:09,236 INFO L93 Difference]: Finished difference Result 38772 states and 50858 transitions. [2019-12-07 15:04:09,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:04:09,236 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 247 [2019-12-07 15:04:09,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:09,272 INFO L225 Difference]: With dead ends: 38772 [2019-12-07 15:04:09,272 INFO L226 Difference]: Without dead ends: 27726 [2019-12-07 15:04:09,283 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 [2019-12-07 15:04:09,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27726 states. [2019-12-07 15:04:09,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27726 to 20792. [2019-12-07 15:04:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20792 states. [2019-12-07 15:04:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20792 states to 20792 states and 26361 transitions. [2019-12-07 15:04:09,539 INFO L78 Accepts]: Start accepts. Automaton has 20792 states and 26361 transitions. Word has length 247 [2019-12-07 15:04:09,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:09,539 INFO L462 AbstractCegarLoop]: Abstraction has 20792 states and 26361 transitions. [2019-12-07 15:04:09,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:04:09,540 INFO L276 IsEmpty]: Start isEmpty. Operand 20792 states and 26361 transitions. [2019-12-07 15:04:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-12-07 15:04:09,552 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:09,553 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:09,553 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:09,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:09,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1063142085, now seen corresponding path program 1 times [2019-12-07 15:04:09,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:09,553 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809663810] [2019-12-07 15:04:09,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-07 15:04:09,614 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809663810] [2019-12-07 15:04:09,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:09,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:04:09,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391222130] [2019-12-07 15:04:09,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:09,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:09,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:09,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:04:09,615 INFO L87 Difference]: Start difference. First operand 20792 states and 26361 transitions. Second operand 3 states. [2019-12-07 15:04:10,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:10,272 INFO L93 Difference]: Finished difference Result 41590 states and 52734 transitions. [2019-12-07 15:04:10,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:10,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2019-12-07 15:04:10,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:10,294 INFO L225 Difference]: With dead ends: 41590 [2019-12-07 15:04:10,294 INFO L226 Difference]: Without dead ends: 20800 [2019-12-07 15:04:10,308 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:04:10,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20800 states. [2019-12-07 15:04:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20800 to 20792. [2019-12-07 15:04:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20792 states. [2019-12-07 15:04:10,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20792 states to 20792 states and 24482 transitions. [2019-12-07 15:04:10,481 INFO L78 Accepts]: Start accepts. Automaton has 20792 states and 24482 transitions. Word has length 251 [2019-12-07 15:04:10,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:10,481 INFO L462 AbstractCegarLoop]: Abstraction has 20792 states and 24482 transitions. [2019-12-07 15:04:10,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 20792 states and 24482 transitions. [2019-12-07 15:04:10,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-07 15:04:10,491 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:10,491 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:10,492 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:10,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:10,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1663998635, now seen corresponding path program 1 times [2019-12-07 15:04:10,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:10,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075936557] [2019-12-07 15:04:10,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-12-07 15:04:10,624 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075936557] [2019-12-07 15:04:10,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:10,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:04:10,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109054952] [2019-12-07 15:04:10,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:04:10,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:10,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:04:10,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:04:10,625 INFO L87 Difference]: Start difference. First operand 20792 states and 24482 transitions. Second operand 4 states. [2019-12-07 15:04:11,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:11,350 INFO L93 Difference]: Finished difference Result 41176 states and 48504 transitions. [2019-12-07 15:04:11,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:04:11,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 268 [2019-12-07 15:04:11,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:11,365 INFO L225 Difference]: With dead ends: 41176 [2019-12-07 15:04:11,366 INFO L226 Difference]: Without dead ends: 20386 [2019-12-07 15:04:11,378 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 [2019-12-07 15:04:11,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20386 states. [2019-12-07 15:04:11,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20386 to 20386. [2019-12-07 15:04:11,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20386 states. [2019-12-07 15:04:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20386 states to 20386 states and 23032 transitions. [2019-12-07 15:04:11,524 INFO L78 Accepts]: Start accepts. Automaton has 20386 states and 23032 transitions. Word has length 268 [2019-12-07 15:04:11,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:11,524 INFO L462 AbstractCegarLoop]: Abstraction has 20386 states and 23032 transitions. [2019-12-07 15:04:11,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:04:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 20386 states and 23032 transitions. [2019-12-07 15:04:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-07 15:04:11,533 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:11,533 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:11,533 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:11,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:11,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1558817520, now seen corresponding path program 1 times [2019-12-07 15:04:11,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:11,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768548560] [2019-12-07 15:04:11,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-12-07 15:04:11,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768548560] [2019-12-07 15:04:11,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:11,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:04:11,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529373338] [2019-12-07 15:04:11,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:04:11,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:11,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:04:11,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:04:11,617 INFO L87 Difference]: Start difference. First operand 20386 states and 23032 transitions. Second operand 4 states. [2019-12-07 15:04:13,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:13,165 INFO L93 Difference]: Finished difference Result 79281 states and 89718 transitions. [2019-12-07 15:04:13,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:04:13,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 270 [2019-12-07 15:04:13,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:13,214 INFO L225 Difference]: With dead ends: 79281 [2019-12-07 15:04:13,214 INFO L226 Difference]: Without dead ends: 58897 [2019-12-07 15:04:13,226 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 [2019-12-07 15:04:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58897 states. [2019-12-07 15:04:13,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58897 to 58893. [2019-12-07 15:04:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58893 states. [2019-12-07 15:04:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58893 states to 58893 states and 66550 transitions. [2019-12-07 15:04:13,705 INFO L78 Accepts]: Start accepts. Automaton has 58893 states and 66550 transitions. Word has length 270 [2019-12-07 15:04:13,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:13,706 INFO L462 AbstractCegarLoop]: Abstraction has 58893 states and 66550 transitions. [2019-12-07 15:04:13,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:04:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 58893 states and 66550 transitions. [2019-12-07 15:04:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-12-07 15:04:13,719 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:13,719 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:13,719 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:13,719 INFO L82 PathProgramCache]: Analyzing trace with hash -187630124, now seen corresponding path program 1 times [2019-12-07 15:04:13,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:13,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066202909] [2019-12-07 15:04:13,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-12-07 15:04:13,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066202909] [2019-12-07 15:04:13,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:13,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:04:13,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033911398] [2019-12-07 15:04:13,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:13,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:13,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:13,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:04:13,803 INFO L87 Difference]: Start difference. First operand 58893 states and 66550 transitions. Second operand 3 states. [2019-12-07 15:04:14,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:14,661 INFO L93 Difference]: Finished difference Result 154384 states and 173941 transitions. [2019-12-07 15:04:14,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:14,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-12-07 15:04:14,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:14,737 INFO L225 Difference]: With dead ends: 154384 [2019-12-07 15:04:14,738 INFO L226 Difference]: Without dead ends: 95493 [2019-12-07 15:04:14,765 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 [2019-12-07 15:04:14,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95493 states. [2019-12-07 15:04:15,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95493 to 95457. [2019-12-07 15:04:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95457 states. [2019-12-07 15:04:15,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95457 states to 95457 states and 105696 transitions. [2019-12-07 15:04:15,573 INFO L78 Accepts]: Start accepts. Automaton has 95457 states and 105696 transitions. Word has length 302 [2019-12-07 15:04:15,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:15,573 INFO L462 AbstractCegarLoop]: Abstraction has 95457 states and 105696 transitions. [2019-12-07 15:04:15,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:15,573 INFO L276 IsEmpty]: Start isEmpty. Operand 95457 states and 105696 transitions. [2019-12-07 15:04:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-12-07 15:04:15,592 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:15,592 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:15,593 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:15,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:15,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1679996946, now seen corresponding path program 1 times [2019-12-07 15:04:15,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:15,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979981389] [2019-12-07 15:04:15,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-12-07 15:04:15,788 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979981389] [2019-12-07 15:04:15,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:04:15,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:04:15,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415909779] [2019-12-07 15:04:15,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:15,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:15,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:15,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:04:15,790 INFO L87 Difference]: Start difference. First operand 95457 states and 105696 transitions. Second operand 3 states. [2019-12-07 15:04:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:16,784 INFO L93 Difference]: Finished difference Result 234303 states and 259782 transitions. [2019-12-07 15:04:16,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:16,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2019-12-07 15:04:16,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:16,905 INFO L225 Difference]: With dead ends: 234303 [2019-12-07 15:04:16,905 INFO L226 Difference]: Without dead ends: 138848 [2019-12-07 15:04:16,948 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 [2019-12-07 15:04:17,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138848 states. [2019-12-07 15:04:18,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138848 to 138830. [2019-12-07 15:04:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138830 states. [2019-12-07 15:04:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138830 states to 138830 states and 153929 transitions. [2019-12-07 15:04:18,250 INFO L78 Accepts]: Start accepts. Automaton has 138830 states and 153929 transitions. Word has length 305 [2019-12-07 15:04:18,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:18,250 INFO L462 AbstractCegarLoop]: Abstraction has 138830 states and 153929 transitions. [2019-12-07 15:04:18,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 138830 states and 153929 transitions. [2019-12-07 15:04:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-12-07 15:04:18,266 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:18,266 INFO L410 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:18,266 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:18,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:18,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1262892857, now seen corresponding path program 1 times [2019-12-07 15:04:18,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:18,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355892456] [2019-12-07 15:04:18,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-12-07 15:04:18,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355892456] [2019-12-07 15:04:18,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082552868] [2019-12-07 15:04:18,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:04:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:18,514 INFO L264 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:04:18,520 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:04:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2019-12-07 15:04:18,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 15:04:18,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2019-12-07 15:04:18,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563249370] [2019-12-07 15:04:18,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:18,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:18,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:18,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:04:18,608 INFO L87 Difference]: Start difference. First operand 138830 states and 153929 transitions. Second operand 3 states. [2019-12-07 15:04:19,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:19,793 INFO L93 Difference]: Finished difference Result 276870 states and 307050 transitions. [2019-12-07 15:04:19,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:19,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2019-12-07 15:04:19,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:19,921 INFO L225 Difference]: With dead ends: 276870 [2019-12-07 15:04:19,921 INFO L226 Difference]: Without dead ends: 138042 [2019-12-07 15:04:19,965 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:04:20,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138042 states. [2019-12-07 15:04:21,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138042 to 134364. [2019-12-07 15:04:21,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134364 states. [2019-12-07 15:04:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134364 states to 134364 states and 147445 transitions. [2019-12-07 15:04:21,232 INFO L78 Accepts]: Start accepts. Automaton has 134364 states and 147445 transitions. Word has length 312 [2019-12-07 15:04:21,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:21,233 INFO L462 AbstractCegarLoop]: Abstraction has 134364 states and 147445 transitions. [2019-12-07 15:04:21,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 134364 states and 147445 transitions. [2019-12-07 15:04:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-12-07 15:04:21,258 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:04:21,258 INFO L410 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:04:21,459 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:04:21,459 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:04:21,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:04:21,460 INFO L82 PathProgramCache]: Analyzing trace with hash -406259352, now seen corresponding path program 1 times [2019-12-07 15:04:21,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:04:21,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704917294] [2019-12-07 15:04:21,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:04:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2019-12-07 15:04:21,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704917294] [2019-12-07 15:04:21,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252971814] [2019-12-07 15:04:21,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:04:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:04:21,887 INFO L264 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 15:04:21,891 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:04:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-07 15:04:21,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 15:04:21,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-12-07 15:04:21,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532282875] [2019-12-07 15:04:21,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:04:21,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:04:21,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:04:21,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:04:21,974 INFO L87 Difference]: Start difference. First operand 134364 states and 147445 transitions. Second operand 3 states. [2019-12-07 15:04:23,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:04:23,500 INFO L93 Difference]: Finished difference Result 308004 states and 339041 transitions. [2019-12-07 15:04:23,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:04:23,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 364 [2019-12-07 15:04:23,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:04:23,501 INFO L225 Difference]: With dead ends: 308004 [2019-12-07 15:04:23,501 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:04:23,568 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:04:23,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:04:23,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:04:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:04:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:04:23,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2019-12-07 15:04:23,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:04:23,569 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:04:23,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:04:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:04:23,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:04:23,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:04:23,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:04:26,468 WARN L192 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1054 DAG size of output: 383 [2019-12-07 15:04:28,885 WARN L192 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1054 DAG size of output: 383 [2019-12-07 15:04:30,883 WARN L192 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 383 DAG size of output: 50 [2019-12-07 15:04:32,860 WARN L192 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 383 DAG size of output: 50 [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-12-07 15:04:32,862 INFO L246 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-12-07 15:04:32,863 INFO L246 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,864 INFO L246 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-12-07 15:04:32,865 INFO L246 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,866 INFO L246 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,867 INFO L246 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-12-07 15:04:32,868 INFO L246 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L242 CegarLoopResult]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse4 (= ~a27~0 1))) (let ((.cse10 (not .cse4)) (.cse11 (= ~a16~0 1)) (.cse2 (= 1 ~a6~0)) (.cse8 (<= ~a6~0 0)) (.cse5 (= ~a11~0 1)) (.cse12 (= 1 ~a3~0)) (.cse13 (<= ~a20~0 0)) (.cse7 (<= ~a3~0 0)) (.cse0 (not (= 0 ~a3~0))) (.cse1 (= 1 ~a5~0)) (.cse9 (= ~a12~0 1)) (.cse3 (<= ~a11~0 0)) (.cse6 (= ~a26~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5) (and .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse9 .cse3) (and .cse8 .cse1 .cse10 .cse5 .cse6 .cse11) (and .cse12 .cse1 .cse3 .cse6) (and .cse7 .cse1 .cse9 .cse10 .cse3 .cse11) (and .cse12 .cse1 .cse2 .cse9 .cse5 .cse11) (and .cse1 .cse12 .cse9 .cse3) (and .cse1 .cse4 .cse9 .cse3) (and .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse8 .cse1 .cse5) (and .cse1 .cse4 .cse3 .cse13) (and .cse8 (= ~a10~0 1) .cse1 .cse9 .cse5 .cse6) (and .cse1 .cse12 .cse3 .cse13) (and .cse7 .cse4 .cse1 .cse3) (and .cse0 .cse1 .cse9 .cse3 .cse6)))) [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1542) no Hoare annotation was computed. [2019-12-07 15:04:32,869 INFO L246 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L249 CegarLoopResult]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-12-07 15:04:32,870 INFO L246 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L242 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse4 (= ~a27~0 1))) (let ((.cse10 (not .cse4)) (.cse11 (= ~a16~0 1)) (.cse2 (= 1 ~a6~0)) (.cse8 (<= ~a6~0 0)) (.cse5 (= ~a11~0 1)) (.cse12 (= 1 ~a3~0)) (.cse13 (<= ~a20~0 0)) (.cse7 (<= ~a3~0 0)) (.cse0 (not (= 0 ~a3~0))) (.cse1 (= 1 ~a5~0)) (.cse9 (= ~a12~0 1)) (.cse3 (<= ~a11~0 0)) (.cse6 (= ~a26~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5) (and .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse9 .cse3) (and .cse8 .cse1 .cse10 .cse5 .cse6 .cse11) (and .cse12 .cse1 .cse3 .cse6) (and .cse7 .cse1 .cse9 .cse10 .cse3 .cse11) (and .cse12 .cse1 .cse2 .cse9 .cse5 .cse11) (and .cse1 .cse12 .cse9 .cse3) (and .cse1 .cse4 .cse9 .cse3) (and .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse8 .cse1 .cse5) (and .cse1 .cse4 .cse3 .cse13) (and .cse8 (= ~a10~0 1) .cse1 .cse9 .cse5 .cse6) (and .cse1 .cse12 .cse3 .cse13) (and .cse7 .cse4 .cse1 .cse3) (and .cse0 .cse1 .cse9 .cse3 .cse6)))) [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,871 INFO L246 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-12-07 15:04:32,872 INFO L246 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,873 INFO L246 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-12-07 15:04:32,874 INFO L246 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,875 INFO L246 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,876 INFO L246 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-12-07 15:04:32,877 INFO L246 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-12-07 15:04:32,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:04:32 BoogieIcfgContainer [2019-12-07 15:04:32,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:04:32,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:04:32,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:04:32,898 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:04:32,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:04:01" (3/4) ... [2019-12-07 15:04:32,901 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:04:32,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 15:04:32,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:04:33,050 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5f2464d9-addb-4255-8205-aa93e9d68ec2/bin/uautomizer/witness.graphml [2019-12-07 15:04:33,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:04:33,051 INFO L168 Benchmark]: Toolchain (without parser) took 33657.84 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.6 GB). Free memory was 937.2 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 981.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:04:33,051 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:04:33,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 937.2 MB in the beginning and 1.0 GB in the end (delta: -111.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:04:33,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:04:33,052 INFO L168 Benchmark]: Boogie Preprocessor took 77.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:04:33,052 INFO L168 Benchmark]: RCFGBuilder took 1233.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.7 MB). Peak memory consumption was 198.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:04:33,052 INFO L168 Benchmark]: TraceAbstraction took 31520.08 ms. Allocated memory was 1.1 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2019-12-07 15:04:33,053 INFO L168 Benchmark]: Witness Printer took 151.78 ms. Allocated memory is still 3.6 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:04:33,054 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 592.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 937.2 MB in the beginning and 1.0 GB in the end (delta: -111.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1233.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.7 MB). Peak memory consumption was 198.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31520.08 ms. Allocated memory was 1.1 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. * Witness Printer took 151.78 ms. Allocated memory is still 3.6 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1542]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(0 == a3) && 1 == a5) && 1 == a6) && a11 <= 0) || ((a27 == 1 && 1 == a5) && a11 == 1)) || (((1 == a5 && 1 == a6) && a11 == 1) && a26 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a11 <= 0)) || (((((a6 <= 0 && 1 == a5) && !(a27 == 1)) && a11 == 1) && a26 == 1) && a16 == 1)) || (((1 == a3 && 1 == a5) && a11 <= 0) && a26 == 1)) || (((((a3 <= 0 && 1 == a5) && a12 == 1) && !(a27 == 1)) && a11 <= 0) && a16 == 1)) || (((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a11 == 1) && a16 == 1)) || (((1 == a5 && 1 == a3) && a12 == 1) && a11 <= 0)) || (((1 == a5 && a27 == 1) && a12 == 1) && a11 <= 0)) || (((1 == a5 && 1 == a6) && a11 <= 0) && a26 == 1)) || (((!(0 == a3) && a6 <= 0) && 1 == a5) && a11 == 1)) || (((1 == a5 && a27 == 1) && a11 <= 0) && a20 <= 0)) || (((((a6 <= 0 && a10 == 1) && 1 == a5) && a12 == 1) && a11 == 1) && a26 == 1)) || (((1 == a5 && 1 == a3) && a11 <= 0) && a20 <= 0)) || (((a3 <= 0 && a27 == 1) && 1 == a5) && a11 <= 0)) || ((((!(0 == a3) && 1 == a5) && a12 == 1) && a11 <= 0) && a26 == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(0 == a3) && 1 == a5) && 1 == a6) && a11 <= 0) || ((a27 == 1 && 1 == a5) && a11 == 1)) || (((1 == a5 && 1 == a6) && a11 == 1) && a26 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a11 <= 0)) || (((((a6 <= 0 && 1 == a5) && !(a27 == 1)) && a11 == 1) && a26 == 1) && a16 == 1)) || (((1 == a3 && 1 == a5) && a11 <= 0) && a26 == 1)) || (((((a3 <= 0 && 1 == a5) && a12 == 1) && !(a27 == 1)) && a11 <= 0) && a16 == 1)) || (((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a11 == 1) && a16 == 1)) || (((1 == a5 && 1 == a3) && a12 == 1) && a11 <= 0)) || (((1 == a5 && a27 == 1) && a12 == 1) && a11 <= 0)) || (((1 == a5 && 1 == a6) && a11 <= 0) && a26 == 1)) || (((!(0 == a3) && a6 <= 0) && 1 == a5) && a11 == 1)) || (((1 == a5 && a27 == 1) && a11 <= 0) && a20 <= 0)) || (((((a6 <= 0 && a10 == 1) && 1 == a5) && a12 == 1) && a11 == 1) && a26 == 1)) || (((1 == a5 && 1 == a3) && a11 <= 0) && a20 <= 0)) || (((a3 <= 0 && a27 == 1) && 1 == a5) && a11 <= 0)) || ((((!(0 == a3) && 1 == a5) && a12 == 1) && a11 <= 0) && a26 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 22.3s, OverallIterations: 15, TraceHistogramMax: 6, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, HoareTripleCheckerStatistics: 2820 SDtfs, 4930 SDslu, 1073 SDs, 0 SdLazy, 10499 SolverSat, 1911 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 960 GetRequests, 930 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138830occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 11330 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1712 NumberOfFragments, 509 HoareAnnotationTreeSize, 3 FomulaSimplifications, 46046 FormulaSimplificationTreeSizeReduction, 5.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 22536 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 4658 NumberOfCodeBlocks, 4658 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4640 ConstructedInterpolants, 0 QuantifiedInterpolants, 2137200 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1698 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 2479/2493 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...