./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.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_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/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 5d64bd7f5bbeaca0bb8c10d2e820a015bdae8eae ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:18:28,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:18:28,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:18:29,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:18:29,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:18:29,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:18:29,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:18:29,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:18:29,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:18:29,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:18:29,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:18:29,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:18:29,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:18:29,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:18:29,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:18:29,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:18:29,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:18:29,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:18:29,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:18:29,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:18:29,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:18:29,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:18:29,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:18:29,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:18:29,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:18:29,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:18:29,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:18:29,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:18:29,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:18:29,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:18:29,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:18:29,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:18:29,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:18:29,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:18:29,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:18:29,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:18:29,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:18:29,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:18:29,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:18:29,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:18:29,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:18:29,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:18:29,032 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:18:29,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:18:29,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:18:29,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:18:29,033 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:18:29,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:18:29,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:18:29,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:18:29,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:18:29,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:18:29,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:18:29,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:18:29,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:18:29,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:18:29,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:18:29,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:18:29,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:18:29,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:18:29,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:18:29,036 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_f9e85201-08bf-42bb-89ab-7442f94ffd6a/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 -> 5d64bd7f5bbeaca0bb8c10d2e820a015bdae8eae [2019-12-07 14:18:29,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:18:29,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:18:29,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:18:29,150 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:18:29,150 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:18:29,151 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2019-12-07 14:18:29,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/data/763d06d08/98ba83793c3746a1b55ab147eb6bd6d2/FLAG74b615a3a [2019-12-07 14:18:29,616 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:18:29,616 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2019-12-07 14:18:29,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/data/763d06d08/98ba83793c3746a1b55ab147eb6bd6d2/FLAG74b615a3a [2019-12-07 14:18:29,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/data/763d06d08/98ba83793c3746a1b55ab147eb6bd6d2 [2019-12-07 14:18:29,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:18:29,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:18:29,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:18:29,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:18:29,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:18:29,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:18:29" (1/1) ... [2019-12-07 14:18:29,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffc5a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:29, skipping insertion in model container [2019-12-07 14:18:29,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:18:29" (1/1) ... [2019-12-07 14:18:29,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:18:29,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:18:30,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:18:30,089 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:18:30,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:18:30,243 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:18:30,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30 WrapperNode [2019-12-07 14:18:30,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:18:30,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:18:30,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:18:30,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:18:30,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... [2019-12-07 14:18:30,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... [2019-12-07 14:18:30,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:18:30,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:18:30,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:18:30,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:18:30,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... [2019-12-07 14:18:30,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... [2019-12-07 14:18:30,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... [2019-12-07 14:18:30,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... [2019-12-07 14:18:30,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... [2019-12-07 14:18:30,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... [2019-12-07 14:18:30,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... [2019-12-07 14:18:30,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:18:30,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:18:30,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:18:30,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:18:30,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/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 14:18:30,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:18:30,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:18:31,619 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:18:31,619 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 14:18:31,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:18:31 BoogieIcfgContainer [2019-12-07 14:18:31,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:18:31,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:18:31,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:18:31,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:18:31,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:18:29" (1/3) ... [2019-12-07 14:18:31,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c33ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:18:31, skipping insertion in model container [2019-12-07 14:18:31,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:18:30" (2/3) ... [2019-12-07 14:18:31,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c33ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:18:31, skipping insertion in model container [2019-12-07 14:18:31,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:18:31" (3/3) ... [2019-12-07 14:18:31,625 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label22.c [2019-12-07 14:18:31,631 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:18:31,637 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:18:31,644 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:18:31,664 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:18:31,664 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:18:31,664 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:18:31,664 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:18:31,664 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:18:31,665 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:18:31,665 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:18:31,665 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:18:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-12-07 14:18:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-07 14:18:31,691 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:31,691 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] [2019-12-07 14:18:31,692 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:31,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:31,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1133598669, now seen corresponding path program 1 times [2019-12-07 14:18:31,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:31,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851816471] [2019-12-07 14:18:31,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:32,036 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 14:18:32,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851816471] [2019-12-07 14:18:32,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:32,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:18:32,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370972055] [2019-12-07 14:18:32,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:18:32,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:32,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:18:32,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:18:32,053 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 3 states. [2019-12-07 14:18:32,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:32,859 INFO L93 Difference]: Finished difference Result 829 states and 1478 transitions. [2019-12-07 14:18:32,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:18:32,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-12-07 14:18:32,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:32,873 INFO L225 Difference]: With dead ends: 829 [2019-12-07 14:18:32,873 INFO L226 Difference]: Without dead ends: 463 [2019-12-07 14:18:32,877 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 14:18:32,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2019-12-07 14:18:32,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2019-12-07 14:18:32,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-12-07 14:18:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2019-12-07 14:18:32,930 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 167 [2019-12-07 14:18:32,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:32,931 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2019-12-07 14:18:32,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:18:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2019-12-07 14:18:32,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-07 14:18:32,935 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:32,935 INFO L410 BasicCegarLoop]: trace histogram [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, 1] [2019-12-07 14:18:32,935 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:32,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:32,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1783223651, now seen corresponding path program 1 times [2019-12-07 14:18:32,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:32,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779443953] [2019-12-07 14:18:32,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:18:33,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779443953] [2019-12-07 14:18:33,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:33,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:18:33,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603134109] [2019-12-07 14:18:33,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:18:33,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:33,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:18:33,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:18:33,030 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand 4 states. [2019-12-07 14:18:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:34,191 INFO L93 Difference]: Finished difference Result 1737 states and 2828 transitions. [2019-12-07 14:18:34,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:18:34,192 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2019-12-07 14:18:34,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:34,198 INFO L225 Difference]: With dead ends: 1737 [2019-12-07 14:18:34,198 INFO L226 Difference]: Without dead ends: 1290 [2019-12-07 14:18:34,200 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 14:18:34,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2019-12-07 14:18:34,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 859. [2019-12-07 14:18:34,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2019-12-07 14:18:34,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1316 transitions. [2019-12-07 14:18:34,228 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1316 transitions. Word has length 172 [2019-12-07 14:18:34,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:34,228 INFO L462 AbstractCegarLoop]: Abstraction has 859 states and 1316 transitions. [2019-12-07 14:18:34,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:18:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1316 transitions. [2019-12-07 14:18:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-07 14:18:34,232 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:34,232 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:18:34,233 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:34,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:34,233 INFO L82 PathProgramCache]: Analyzing trace with hash 194017064, now seen corresponding path program 1 times [2019-12-07 14:18:34,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:34,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319048877] [2019-12-07 14:18:34,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 14:18:34,372 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319048877] [2019-12-07 14:18:34,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:34,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:18:34,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114329150] [2019-12-07 14:18:34,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:18:34,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:34,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:18:34,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:18:34,373 INFO L87 Difference]: Start difference. First operand 859 states and 1316 transitions. Second operand 4 states. [2019-12-07 14:18:35,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:35,563 INFO L93 Difference]: Finished difference Result 3344 states and 5142 transitions. [2019-12-07 14:18:35,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:18:35,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-12-07 14:18:35,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:35,577 INFO L225 Difference]: With dead ends: 3344 [2019-12-07 14:18:35,577 INFO L226 Difference]: Without dead ends: 2487 [2019-12-07 14:18:35,579 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 14:18:35,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2019-12-07 14:18:35,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2485. [2019-12-07 14:18:35,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2485 states. [2019-12-07 14:18:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3446 transitions. [2019-12-07 14:18:35,623 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3446 transitions. Word has length 174 [2019-12-07 14:18:35,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:35,623 INFO L462 AbstractCegarLoop]: Abstraction has 2485 states and 3446 transitions. [2019-12-07 14:18:35,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:18:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3446 transitions. [2019-12-07 14:18:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-07 14:18:35,628 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:35,628 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] [2019-12-07 14:18:35,628 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:35,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:35,628 INFO L82 PathProgramCache]: Analyzing trace with hash 2000740269, now seen corresponding path program 1 times [2019-12-07 14:18:35,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:35,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632449622] [2019-12-07 14:18:35,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:35,680 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 14:18:35,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632449622] [2019-12-07 14:18:35,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:35,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:18:35,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442025177] [2019-12-07 14:18:35,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:18:35,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:35,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:18:35,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:18:35,682 INFO L87 Difference]: Start difference. First operand 2485 states and 3446 transitions. Second operand 3 states. [2019-12-07 14:18:36,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:36,001 INFO L93 Difference]: Finished difference Result 7439 states and 10319 transitions. [2019-12-07 14:18:36,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:18:36,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-12-07 14:18:36,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:36,020 INFO L225 Difference]: With dead ends: 7439 [2019-12-07 14:18:36,020 INFO L226 Difference]: Without dead ends: 4956 [2019-12-07 14:18:36,023 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 14:18:36,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4956 states. [2019-12-07 14:18:36,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4956 to 4953. [2019-12-07 14:18:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4953 states. [2019-12-07 14:18:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 4953 states and 6860 transitions. [2019-12-07 14:18:36,089 INFO L78 Accepts]: Start accepts. Automaton has 4953 states and 6860 transitions. Word has length 187 [2019-12-07 14:18:36,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:36,090 INFO L462 AbstractCegarLoop]: Abstraction has 4953 states and 6860 transitions. [2019-12-07 14:18:36,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:18:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 4953 states and 6860 transitions. [2019-12-07 14:18:36,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-12-07 14:18:36,095 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:36,095 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] [2019-12-07 14:18:36,096 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:36,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1161579327, now seen corresponding path program 1 times [2019-12-07 14:18:36,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:36,096 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771140884] [2019-12-07 14:18:36,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:36,144 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 14:18:36,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771140884] [2019-12-07 14:18:36,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:36,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:18:36,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718901371] [2019-12-07 14:18:36,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:18:36,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:36,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:18:36,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:18:36,145 INFO L87 Difference]: Start difference. First operand 4953 states and 6860 transitions. Second operand 3 states. [2019-12-07 14:18:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:36,525 INFO L93 Difference]: Finished difference Result 9866 states and 13666 transitions. [2019-12-07 14:18:36,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:18:36,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-12-07 14:18:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:36,542 INFO L225 Difference]: With dead ends: 9866 [2019-12-07 14:18:36,542 INFO L226 Difference]: Without dead ends: 4915 [2019-12-07 14:18:36,547 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 14:18:36,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4915 states. [2019-12-07 14:18:36,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4915 to 4915. [2019-12-07 14:18:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4915 states. [2019-12-07 14:18:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4915 states to 4915 states and 6676 transitions. [2019-12-07 14:18:36,609 INFO L78 Accepts]: Start accepts. Automaton has 4915 states and 6676 transitions. Word has length 195 [2019-12-07 14:18:36,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:36,610 INFO L462 AbstractCegarLoop]: Abstraction has 4915 states and 6676 transitions. [2019-12-07 14:18:36,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:18:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 4915 states and 6676 transitions. [2019-12-07 14:18:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-12-07 14:18:36,614 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:36,614 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] [2019-12-07 14:18:36,614 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:36,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:36,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1084371729, now seen corresponding path program 1 times [2019-12-07 14:18:36,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:36,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007480797] [2019-12-07 14:18:36,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:36,764 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 14:18:36,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007480797] [2019-12-07 14:18:36,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:36,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:18:36,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441632104] [2019-12-07 14:18:36,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:18:36,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:36,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:18:36,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:18:36,766 INFO L87 Difference]: Start difference. First operand 4915 states and 6676 transitions. Second operand 5 states. [2019-12-07 14:18:37,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:37,956 INFO L93 Difference]: Finished difference Result 11066 states and 15191 transitions. [2019-12-07 14:18:37,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:18:37,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2019-12-07 14:18:37,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:37,985 INFO L225 Difference]: With dead ends: 11066 [2019-12-07 14:18:37,985 INFO L226 Difference]: Without dead ends: 6153 [2019-12-07 14:18:37,989 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 14:18:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6153 states. [2019-12-07 14:18:38,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6153 to 5321. [2019-12-07 14:18:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5321 states. [2019-12-07 14:18:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7222 transitions. [2019-12-07 14:18:38,051 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7222 transitions. Word has length 205 [2019-12-07 14:18:38,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:38,051 INFO L462 AbstractCegarLoop]: Abstraction has 5321 states and 7222 transitions. [2019-12-07 14:18:38,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:18:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7222 transitions. [2019-12-07 14:18:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-12-07 14:18:38,057 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:38,057 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] [2019-12-07 14:18:38,057 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:38,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:38,058 INFO L82 PathProgramCache]: Analyzing trace with hash 227764771, now seen corresponding path program 1 times [2019-12-07 14:18:38,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:38,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910893231] [2019-12-07 14:18:38,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:38,124 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 14:18:38,125 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910893231] [2019-12-07 14:18:38,125 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364738462] [2019-12-07 14:18:38,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/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 14:18:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:38,241 INFO L264 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:18:38,253 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:18:38,341 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 14:18:38,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 14:18:38,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-12-07 14:18:38,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632375370] [2019-12-07 14:18:38,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:18:38,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:38,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:18:38,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:18:38,344 INFO L87 Difference]: Start difference. First operand 5321 states and 7222 transitions. Second operand 3 states. [2019-12-07 14:18:38,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:38,619 INFO L93 Difference]: Finished difference Result 15957 states and 21660 transitions. [2019-12-07 14:18:38,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:18:38,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2019-12-07 14:18:38,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:38,655 INFO L225 Difference]: With dead ends: 15957 [2019-12-07 14:18:38,656 INFO L226 Difference]: Without dead ends: 10638 [2019-12-07 14:18:38,660 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 239 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 14:18:38,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10638 states. [2019-12-07 14:18:38,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10638 to 10636. [2019-12-07 14:18:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10636 states. [2019-12-07 14:18:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10636 states to 10636 states and 14415 transitions. [2019-12-07 14:18:38,796 INFO L78 Accepts]: Start accepts. Automaton has 10636 states and 14415 transitions. Word has length 239 [2019-12-07 14:18:38,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:38,796 INFO L462 AbstractCegarLoop]: Abstraction has 10636 states and 14415 transitions. [2019-12-07 14:18:38,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:18:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 10636 states and 14415 transitions. [2019-12-07 14:18:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-12-07 14:18:38,804 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:38,805 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] [2019-12-07 14:18:39,005 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:18:39,006 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:39,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:39,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1616170837, now seen corresponding path program 1 times [2019-12-07 14:18:39,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:39,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945094638] [2019-12-07 14:18:39,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:39,091 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 14:18:39,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945094638] [2019-12-07 14:18:39,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:39,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:18:39,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461968941] [2019-12-07 14:18:39,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:18:39,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:39,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:18:39,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:18:39,092 INFO L87 Difference]: Start difference. First operand 10636 states and 14415 transitions. Second operand 3 states. [2019-12-07 14:18:39,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:39,785 INFO L93 Difference]: Finished difference Result 31442 states and 42521 transitions. [2019-12-07 14:18:39,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:18:39,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-12-07 14:18:39,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:39,811 INFO L225 Difference]: With dead ends: 31442 [2019-12-07 14:18:39,811 INFO L226 Difference]: Without dead ends: 20808 [2019-12-07 14:18:39,821 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 14:18:39,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20808 states. [2019-12-07 14:18:39,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20808 to 20804. [2019-12-07 14:18:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20804 states. [2019-12-07 14:18:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20804 states to 20804 states and 26387 transitions. [2019-12-07 14:18:40,011 INFO L78 Accepts]: Start accepts. Automaton has 20804 states and 26387 transitions. Word has length 240 [2019-12-07 14:18:40,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:40,011 INFO L462 AbstractCegarLoop]: Abstraction has 20804 states and 26387 transitions. [2019-12-07 14:18:40,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:18:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 20804 states and 26387 transitions. [2019-12-07 14:18:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-12-07 14:18:40,027 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:40,027 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] [2019-12-07 14:18:40,027 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:40,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:40,028 INFO L82 PathProgramCache]: Analyzing trace with hash -915409615, now seen corresponding path program 1 times [2019-12-07 14:18:40,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:40,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294657978] [2019-12-07 14:18:40,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:40,198 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 14:18:40,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294657978] [2019-12-07 14:18:40,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:40,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:18:40,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060871412] [2019-12-07 14:18:40,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:18:40,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:40,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:18:40,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:18:40,200 INFO L87 Difference]: Start difference. First operand 20804 states and 26387 transitions. Second operand 4 states. [2019-12-07 14:18:41,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:41,167 INFO L93 Difference]: Finished difference Result 67013 states and 84831 transitions. [2019-12-07 14:18:41,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:18:41,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 245 [2019-12-07 14:18:41,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:41,219 INFO L225 Difference]: With dead ends: 67013 [2019-12-07 14:18:41,219 INFO L226 Difference]: Without dead ends: 46211 [2019-12-07 14:18:41,238 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 14:18:41,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46211 states. [2019-12-07 14:18:41,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46211 to 36029. [2019-12-07 14:18:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36029 states. [2019-12-07 14:18:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36029 states to 36029 states and 44359 transitions. [2019-12-07 14:18:41,535 INFO L78 Accepts]: Start accepts. Automaton has 36029 states and 44359 transitions. Word has length 245 [2019-12-07 14:18:41,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:41,535 INFO L462 AbstractCegarLoop]: Abstraction has 36029 states and 44359 transitions. [2019-12-07 14:18:41,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:18:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 36029 states and 44359 transitions. [2019-12-07 14:18:41,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-12-07 14:18:41,554 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:41,554 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] [2019-12-07 14:18:41,554 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:41,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:41,554 INFO L82 PathProgramCache]: Analyzing trace with hash 752568515, now seen corresponding path program 1 times [2019-12-07 14:18:41,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:41,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198759444] [2019-12-07 14:18:41,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:41,666 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 14:18:41,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198759444] [2019-12-07 14:18:41,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:41,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:18:41,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314691224] [2019-12-07 14:18:41,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:18:41,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:41,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:18:41,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:18:41,667 INFO L87 Difference]: Start difference. First operand 36029 states and 44359 transitions. Second operand 4 states. [2019-12-07 14:18:42,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:42,406 INFO L93 Difference]: Finished difference Result 71650 states and 88069 transitions. [2019-12-07 14:18:42,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:18:42,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 266 [2019-12-07 14:18:42,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:42,433 INFO L225 Difference]: With dead ends: 71650 [2019-12-07 14:18:42,433 INFO L226 Difference]: Without dead ends: 35623 [2019-12-07 14:18:42,452 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 14:18:42,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35623 states. [2019-12-07 14:18:42,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35623 to 35623. [2019-12-07 14:18:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35623 states. [2019-12-07 14:18:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35623 states to 35623 states and 41422 transitions. [2019-12-07 14:18:42,701 INFO L78 Accepts]: Start accepts. Automaton has 35623 states and 41422 transitions. Word has length 266 [2019-12-07 14:18:42,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:42,702 INFO L462 AbstractCegarLoop]: Abstraction has 35623 states and 41422 transitions. [2019-12-07 14:18:42,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:18:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 35623 states and 41422 transitions. [2019-12-07 14:18:42,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-07 14:18:42,718 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:42,719 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] [2019-12-07 14:18:42,719 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:42,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:42,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1942509672, now seen corresponding path program 1 times [2019-12-07 14:18:42,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:42,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123209118] [2019-12-07 14:18:42,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:42,802 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 14:18:42,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123209118] [2019-12-07 14:18:42,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:42,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:18:42,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198618182] [2019-12-07 14:18:42,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:18:42,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:42,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:18:42,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:18:42,803 INFO L87 Difference]: Start difference. First operand 35623 states and 41422 transitions. Second operand 4 states. [2019-12-07 14:18:44,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:44,073 INFO L93 Difference]: Finished difference Result 132704 states and 154476 transitions. [2019-12-07 14:18:44,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:18:44,074 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 268 [2019-12-07 14:18:44,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:44,160 INFO L225 Difference]: With dead ends: 132704 [2019-12-07 14:18:44,161 INFO L226 Difference]: Without dead ends: 97083 [2019-12-07 14:18:44,183 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 14:18:44,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97083 states. [2019-12-07 14:18:44,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97083 to 97081. [2019-12-07 14:18:44,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97081 states. [2019-12-07 14:18:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97081 states to 97081 states and 112835 transitions. [2019-12-07 14:18:45,019 INFO L78 Accepts]: Start accepts. Automaton has 97081 states and 112835 transitions. Word has length 268 [2019-12-07 14:18:45,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:45,019 INFO L462 AbstractCegarLoop]: Abstraction has 97081 states and 112835 transitions. [2019-12-07 14:18:45,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:18:45,020 INFO L276 IsEmpty]: Start isEmpty. Operand 97081 states and 112835 transitions. [2019-12-07 14:18:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-07 14:18:45,034 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:45,035 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 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, 1] [2019-12-07 14:18:45,035 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:45,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:45,035 INFO L82 PathProgramCache]: Analyzing trace with hash 962018805, now seen corresponding path program 1 times [2019-12-07 14:18:45,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:45,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368122065] [2019-12-07 14:18:45,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-12-07 14:18:45,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368122065] [2019-12-07 14:18:45,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:45,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:18:45,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664181500] [2019-12-07 14:18:45,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:18:45,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:45,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:18:45,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:18:45,101 INFO L87 Difference]: Start difference. First operand 97081 states and 112835 transitions. Second operand 3 states. [2019-12-07 14:18:45,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:45,977 INFO L93 Difference]: Finished difference Result 194184 states and 225710 transitions. [2019-12-07 14:18:45,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:18:45,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2019-12-07 14:18:45,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:46,067 INFO L225 Difference]: With dead ends: 194184 [2019-12-07 14:18:46,067 INFO L226 Difference]: Without dead ends: 97105 [2019-12-07 14:18:46,108 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 14:18:46,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97105 states. [2019-12-07 14:18:46,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97105 to 94645. [2019-12-07 14:18:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94645 states. [2019-12-07 14:18:46,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94645 states to 94645 states and 105258 transitions. [2019-12-07 14:18:46,929 INFO L78 Accepts]: Start accepts. Automaton has 94645 states and 105258 transitions. Word has length 272 [2019-12-07 14:18:46,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:46,929 INFO L462 AbstractCegarLoop]: Abstraction has 94645 states and 105258 transitions. [2019-12-07 14:18:46,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:18:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 94645 states and 105258 transitions. [2019-12-07 14:18:46,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-12-07 14:18:46,938 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:46,939 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] [2019-12-07 14:18:46,939 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:46,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:46,939 INFO L82 PathProgramCache]: Analyzing trace with hash 853434924, now seen corresponding path program 1 times [2019-12-07 14:18:46,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:46,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601203223] [2019-12-07 14:18:46,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:47,022 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 14:18:47,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601203223] [2019-12-07 14:18:47,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:47,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:18:47,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852100690] [2019-12-07 14:18:47,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:18:47,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:47,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:18:47,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:18:47,024 INFO L87 Difference]: Start difference. First operand 94645 states and 105258 transitions. Second operand 3 states. [2019-12-07 14:18:47,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:47,931 INFO L93 Difference]: Finished difference Result 187091 states and 207918 transitions. [2019-12-07 14:18:47,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:18:47,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2019-12-07 14:18:47,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:48,016 INFO L225 Difference]: With dead ends: 187091 [2019-12-07 14:18:48,016 INFO L226 Difference]: Without dead ends: 92448 [2019-12-07 14:18:48,058 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 14:18:48,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92448 states. [2019-12-07 14:18:48,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92448 to 92412. [2019-12-07 14:18:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92412 states. [2019-12-07 14:18:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92412 states to 92412 states and 100986 transitions. [2019-12-07 14:18:48,934 INFO L78 Accepts]: Start accepts. Automaton has 92412 states and 100986 transitions. Word has length 300 [2019-12-07 14:18:48,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:48,934 INFO L462 AbstractCegarLoop]: Abstraction has 92412 states and 100986 transitions. [2019-12-07 14:18:48,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:18:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 92412 states and 100986 transitions. [2019-12-07 14:18:48,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-12-07 14:18:48,942 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:48,942 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] [2019-12-07 14:18:48,942 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:48,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:48,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1530237930, now seen corresponding path program 1 times [2019-12-07 14:18:48,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:48,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085448456] [2019-12-07 14:18:48,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:49,020 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 14:18:49,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085448456] [2019-12-07 14:18:49,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:18:49,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:18:49,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743939121] [2019-12-07 14:18:49,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:18:49,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:49,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:18:49,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:18:49,022 INFO L87 Difference]: Start difference. First operand 92412 states and 100986 transitions. Second operand 3 states. [2019-12-07 14:18:50,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:50,365 INFO L93 Difference]: Finished difference Result 228010 states and 249373 transitions. [2019-12-07 14:18:50,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:18:50,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2019-12-07 14:18:50,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:50,483 INFO L225 Difference]: With dead ends: 228010 [2019-12-07 14:18:50,483 INFO L226 Difference]: Without dead ends: 135600 [2019-12-07 14:18:50,527 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 14:18:50,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135600 states. [2019-12-07 14:18:52,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135600 to 135582. [2019-12-07 14:18:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135582 states. [2019-12-07 14:18:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135582 states to 135582 states and 148241 transitions. [2019-12-07 14:18:52,639 INFO L78 Accepts]: Start accepts. Automaton has 135582 states and 148241 transitions. Word has length 303 [2019-12-07 14:18:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:52,639 INFO L462 AbstractCegarLoop]: Abstraction has 135582 states and 148241 transitions. [2019-12-07 14:18:52,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:18:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 135582 states and 148241 transitions. [2019-12-07 14:18:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-07 14:18:52,652 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:18:52,652 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] [2019-12-07 14:18:52,652 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:18:52,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:18:52,653 INFO L82 PathProgramCache]: Analyzing trace with hash 2085834207, now seen corresponding path program 1 times [2019-12-07 14:18:52,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:18:52,653 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824201789] [2019-12-07 14:18:52,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:18:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:52,753 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 14:18:52,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824201789] [2019-12-07 14:18:52,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443737353] [2019-12-07 14:18:52,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/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 14:18:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:18:52,858 INFO L264 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 14:18:52,869 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:18:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-07 14:18:52,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 14:18:52,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-12-07 14:18:52,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944140592] [2019-12-07 14:18:52,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:18:52,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:18:52,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:18:52,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:18:52,941 INFO L87 Difference]: Start difference. First operand 135582 states and 148241 transitions. Second operand 3 states. [2019-12-07 14:18:54,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:18:54,080 INFO L93 Difference]: Finished difference Result 307400 states and 337192 transitions. [2019-12-07 14:18:54,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:18:54,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2019-12-07 14:18:54,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:18:54,081 INFO L225 Difference]: With dead ends: 307400 [2019-12-07 14:18:54,081 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:18:54,144 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 309 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 14:18:54,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:18:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:18:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:18:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:18:54,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 310 [2019-12-07 14:18:54,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:18:54,145 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:18:54,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:18:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:18:54,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:18:54,345 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:18:54,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:18:57,069 WARN L192 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1059 DAG size of output: 347 [2019-12-07 14:18:59,658 WARN L192 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1059 DAG size of output: 347 [2019-12-07 14:19:01,308 WARN L192 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 345 DAG size of output: 56 [2019-12-07 14:19:02,917 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 345 DAG size of output: 56 [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-12-07 14:19:02,919 INFO L246 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,920 INFO L246 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-12-07 14:19:02,921 INFO L246 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,922 INFO L246 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,923 INFO L246 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,924 INFO L246 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,925 INFO L246 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-12-07 14:19:02,926 INFO L246 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,927 INFO L246 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L242 CegarLoopResult]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse4 (= ~a12~0 1))) (let ((.cse12 (= ~a16~0 1)) (.cse11 (not (= 0 ~a3~0))) (.cse5 (<= ~a6~0 0)) (.cse0 (<= ~a3~0 0)) (.cse7 (= 1 ~a3~0)) (.cse9 (<= ~a20~0 0)) (.cse8 (not .cse4)) (.cse3 (= ~a11~0 1)) (.cse6 (= ~a27~0 1)) (.cse1 (= 1 ~a5~0)) (.cse2 (= 1 ~a6~0)) (.cse10 (= ~a26~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse1 .cse4) (and .cse7 .cse1 .cse4) (and .cse6 .cse1 .cse8 .cse9) (and .cse7 .cse1 .cse10) (and .cse0 .cse5 .cse1 .cse4) (and .cse11 .cse1 .cse2 .cse8) (and .cse5 .cse1 .cse3 .cse10 .cse12 (<= ~a27~0 0)) (and .cse11 .cse1 .cse4 .cse10) (and .cse0 .cse1 .cse4 (not .cse6) .cse12) (and .cse0 .cse6 .cse1 .cse10) (and .cse11 (= ~a10~0 1) .cse1 .cse2 (not (= 1 ~a7~0)) .cse12) (and .cse11 .cse5 .cse1 .cse8 .cse3) (and .cse0 .cse6 .cse1 .cse8) (and .cse7 .cse1 .cse9) (and .cse1 .cse6 .cse8 .cse3) (and .cse6 .cse1 .cse2) (and .cse1 .cse2 .cse10)))) [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1536) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L246 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,928 INFO L249 CegarLoopResult]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,929 INFO L246 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L242 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse4 (= ~a12~0 1))) (let ((.cse12 (= ~a16~0 1)) (.cse11 (not (= 0 ~a3~0))) (.cse5 (<= ~a6~0 0)) (.cse0 (<= ~a3~0 0)) (.cse7 (= 1 ~a3~0)) (.cse9 (<= ~a20~0 0)) (.cse8 (not .cse4)) (.cse3 (= ~a11~0 1)) (.cse6 (= ~a27~0 1)) (.cse1 (= 1 ~a5~0)) (.cse2 (= 1 ~a6~0)) (.cse10 (= ~a26~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse1 .cse4) (and .cse7 .cse1 .cse4) (and .cse6 .cse1 .cse8 .cse9) (and .cse7 .cse1 .cse10) (and .cse0 .cse5 .cse1 .cse4) (and .cse11 .cse1 .cse2 .cse8) (and .cse5 .cse1 .cse3 .cse10 .cse12 (<= ~a27~0 0)) (and .cse11 .cse1 .cse4 .cse10) (and .cse0 .cse1 .cse4 (not .cse6) .cse12) (and .cse0 .cse6 .cse1 .cse10) (and .cse11 (= ~a10~0 1) .cse1 .cse2 (not (= 1 ~a7~0)) .cse12) (and .cse11 .cse5 .cse1 .cse8 .cse3) (and .cse0 .cse6 .cse1 .cse8) (and .cse7 .cse1 .cse9) (and .cse1 .cse6 .cse8 .cse3) (and .cse6 .cse1 .cse2) (and .cse1 .cse2 .cse10)))) [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,930 INFO L246 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,931 INFO L246 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,932 INFO L246 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,933 INFO L246 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,934 INFO L246 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,935 INFO L246 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,936 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,937 INFO L246 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-12-07 14:19:02,938 INFO L246 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-12-07 14:19:02,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:19:02 BoogieIcfgContainer [2019-12-07 14:19:02,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:19:02,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:19:02,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:19:02,959 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:19:02,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:18:31" (3/4) ... [2019-12-07 14:19:02,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:19:02,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 14:19:02,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:19:03,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f9e85201-08bf-42bb-89ab-7442f94ffd6a/bin/uautomizer/witness.graphml [2019-12-07 14:19:03,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:19:03,127 INFO L168 Benchmark]: Toolchain (without parser) took 33483.02 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 939.3 MB in the beginning and 1.6 GB in the end (delta: -660.3 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2019-12-07 14:19:03,127 INFO L168 Benchmark]: CDTParser took 0.19 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 14:19:03,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -92.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:19:03,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.23 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 14:19:03,128 INFO L168 Benchmark]: Boogie Preprocessor took 63.84 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 14:19:03,128 INFO L168 Benchmark]: RCFGBuilder took 1232.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 191.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:19:03,129 INFO L168 Benchmark]: TraceAbstraction took 31337.98 ms. Allocated memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 991.8 MB in the beginning and 1.7 GB in the end (delta: -669.6 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2019-12-07 14:19:03,129 INFO L168 Benchmark]: Witness Printer took 166.79 ms. Allocated memory is still 4.2 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:19:03,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 599.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -92.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.23 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. * Boogie Preprocessor took 63.84 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 1232.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 191.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31337.98 ms. Allocated memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 991.8 MB in the beginning and 1.7 GB in the end (delta: -669.6 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 166.79 ms. Allocated memory is still 4.2 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1536]: 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: ((((((((((((((((((((a3 <= 0 && 1 == a5) && 1 == a6) && a11 == 1) || (((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1)) || (((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1)) || ((1 == a3 && 1 == a5) && a12 == 1)) || (((a27 == 1 && 1 == a5) && !(a12 == 1)) && a20 <= 0)) || ((1 == a3 && 1 == a5) && a26 == 1)) || (((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1)) || (((!(0 == a3) && 1 == a5) && 1 == a6) && !(a12 == 1))) || (((((a6 <= 0 && 1 == a5) && a11 == 1) && a26 == 1) && a16 == 1) && a27 <= 0)) || (((!(0 == a3) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a3 <= 0 && 1 == a5) && a12 == 1) && !(a27 == 1)) && a16 == 1)) || (((a3 <= 0 && a27 == 1) && 1 == a5) && a26 == 1)) || (((((!(0 == a3) && a10 == 1) && 1 == a5) && 1 == a6) && !(1 == a7)) && a16 == 1)) || ((((!(0 == a3) && a6 <= 0) && 1 == a5) && !(a12 == 1)) && a11 == 1)) || (((a3 <= 0 && a27 == 1) && 1 == a5) && !(a12 == 1))) || ((1 == a3 && 1 == a5) && a20 <= 0)) || (((1 == a5 && a27 == 1) && !(a12 == 1)) && a11 == 1)) || ((a27 == 1 && 1 == a5) && 1 == a6)) || ((1 == a5 && 1 == a6) && a26 == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a3 <= 0 && 1 == a5) && 1 == a6) && a11 == 1) || (((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1)) || (((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1)) || ((1 == a3 && 1 == a5) && a12 == 1)) || (((a27 == 1 && 1 == a5) && !(a12 == 1)) && a20 <= 0)) || ((1 == a3 && 1 == a5) && a26 == 1)) || (((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1)) || (((!(0 == a3) && 1 == a5) && 1 == a6) && !(a12 == 1))) || (((((a6 <= 0 && 1 == a5) && a11 == 1) && a26 == 1) && a16 == 1) && a27 <= 0)) || (((!(0 == a3) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a3 <= 0 && 1 == a5) && a12 == 1) && !(a27 == 1)) && a16 == 1)) || (((a3 <= 0 && a27 == 1) && 1 == a5) && a26 == 1)) || (((((!(0 == a3) && a10 == 1) && 1 == a5) && 1 == a6) && !(1 == a7)) && a16 == 1)) || ((((!(0 == a3) && a6 <= 0) && 1 == a5) && !(a12 == 1)) && a11 == 1)) || (((a3 <= 0 && a27 == 1) && 1 == a5) && !(a12 == 1))) || ((1 == a3 && 1 == a5) && a20 <= 0)) || (((1 == a5 && a27 == 1) && !(a12 == 1)) && a11 == 1)) || ((a27 == 1 && 1 == a5) && 1 == a6)) || ((1 == a5 && 1 == a6) && a26 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 22.6s, OverallIterations: 15, TraceHistogramMax: 6, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.5s, HoareTripleCheckerStatistics: 2801 SDtfs, 5380 SDslu, 1082 SDs, 0 SdLazy, 10426 SolverSat, 2019 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 564 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135582occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 13986 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1693 NumberOfFragments, 525 HoareAnnotationTreeSize, 3 FomulaSimplifications, 57150 FormulaSimplificationTreeSizeReduction, 5.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 23528 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 4092 NumberOfCodeBlocks, 4092 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4075 ConstructedInterpolants, 0 QuantifiedInterpolants, 1648466 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1076 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 1936/1947 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...