./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf0abbbc7d7e5309ef818c9ca26935df7f2c780 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:44:02,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:44:02,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:44:02,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:44:02,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:44:02,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:44:02,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:44:02,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:44:02,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:44:02,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:44:02,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:44:02,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:44:02,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:44:02,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:44:02,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:44:02,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:44:02,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:44:02,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:44:02,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:44:02,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:44:02,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:44:02,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:44:02,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:44:02,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:44:02,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:44:02,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:44:02,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:44:02,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:44:02,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:44:02,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:44:02,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:44:02,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:44:02,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:44:02,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:44:02,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:44:02,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:44:02,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:44:02,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:44:02,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:44:02,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:44:02,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:44:02,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:44:02,459 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:44:02,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:44:02,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:44:02,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:44:02,462 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:44:02,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:44:02,463 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:44:02,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:44:02,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:44:02,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:44:02,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:44:02,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:44:02,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:44:02,466 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:44:02,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:44:02,466 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:44:02,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:44:02,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:44:02,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:44:02,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:44:02,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:44:02,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:44:02,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:44:02,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:44:02,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:44:02,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:44:02,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:44:02,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:44:02,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:44:02,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf0abbbc7d7e5309ef818c9ca26935df7f2c780 [2020-12-01 15:44:02,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:44:02,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:44:02,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:44:02,868 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:44:02,869 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:44:02,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2020-12-01 15:44:02,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/data/ecb8a7515/573fc997d7ca4f4984ee55a329ad17fc/FLAGe73983eec [2020-12-01 15:44:03,745 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:44:03,746 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2020-12-01 15:44:03,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/data/ecb8a7515/573fc997d7ca4f4984ee55a329ad17fc/FLAGe73983eec [2020-12-01 15:44:03,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/data/ecb8a7515/573fc997d7ca4f4984ee55a329ad17fc [2020-12-01 15:44:03,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:44:03,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:44:03,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:44:03,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:44:03,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:44:03,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:44:03" (1/1) ... [2020-12-01 15:44:03,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52238494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:03, skipping insertion in model container [2020-12-01 15:44:03,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:44:03" (1/1) ... [2020-12-01 15:44:03,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:44:03,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:44:04,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:44:04,702 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:44:05,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:44:05,219 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:44:05,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05 WrapperNode [2020-12-01 15:44:05,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:44:05,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:44:05,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:44:05,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:44:05,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... [2020-12-01 15:44:05,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... [2020-12-01 15:44:05,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:44:05,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:44:05,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:44:05,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:44:05,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... [2020-12-01 15:44:05,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... [2020-12-01 15:44:05,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... [2020-12-01 15:44:05,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... [2020-12-01 15:44:05,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... [2020-12-01 15:44:05,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... [2020-12-01 15:44:05,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... [2020-12-01 15:44:05,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:44:05,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:44:05,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:44:05,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:44:05,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/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 [2020-12-01 15:44:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:44:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:44:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:44:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:44:07,964 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:44:07,964 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:44:07,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:44:07 BoogieIcfgContainer [2020-12-01 15:44:07,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:44:07,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:44:07,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:44:07,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:44:07,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:44:03" (1/3) ... [2020-12-01 15:44:07,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcd8af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:44:07, skipping insertion in model container [2020-12-01 15:44:07,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:44:05" (2/3) ... [2020-12-01 15:44:07,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcd8af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:44:07, skipping insertion in model container [2020-12-01 15:44:07,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:44:07" (3/3) ... [2020-12-01 15:44:07,980 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label32.c [2020-12-01 15:44:08,001 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:44:08,006 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:44:08,020 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:44:08,069 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:44:08,070 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:44:08,071 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:44:08,071 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:44:08,071 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:44:08,071 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:44:08,071 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:44:08,072 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:44:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-12-01 15:44:08,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-01 15:44:08,152 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:08,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:08,153 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:08,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:08,162 INFO L82 PathProgramCache]: Analyzing trace with hash -570388181, now seen corresponding path program 1 times [2020-12-01 15:44:08,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:08,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313631282] [2020-12-01 15:44:08,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:09,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:44:09,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313631282] [2020-12-01 15:44:09,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:09,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:44:09,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132193028] [2020-12-01 15:44:09,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:09,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:09,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:09,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:44:09,256 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-12-01 15:44:10,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:10,941 INFO L93 Difference]: Finished difference Result 858 states and 1499 transitions. [2020-12-01 15:44:10,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:10,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-12-01 15:44:10,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:10,964 INFO L225 Difference]: With dead ends: 858 [2020-12-01 15:44:10,964 INFO L226 Difference]: Without dead ends: 462 [2020-12-01 15:44:10,970 INFO L677 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 [2020-12-01 15:44:10,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-12-01 15:44:11,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2020-12-01 15:44:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-12-01 15:44:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2020-12-01 15:44:11,059 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 189 [2020-12-01 15:44:11,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:11,061 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2020-12-01 15:44:11,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:11,062 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2020-12-01 15:44:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 15:44:11,068 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:11,069 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:11,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:44:11,070 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:11,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:11,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1408951978, now seen corresponding path program 1 times [2020-12-01 15:44:11,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:11,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624507449] [2020-12-01 15:44:11,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:44:11,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624507449] [2020-12-01 15:44:11,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:11,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:44:11,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422086400] [2020-12-01 15:44:11,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:11,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:11,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:11,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:44:11,371 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand 3 states. [2020-12-01 15:44:12,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:12,630 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2020-12-01 15:44:12,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:12,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-12-01 15:44:12,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:12,642 INFO L225 Difference]: With dead ends: 1344 [2020-12-01 15:44:12,643 INFO L226 Difference]: Without dead ends: 886 [2020-12-01 15:44:12,650 INFO L677 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 [2020-12-01 15:44:12,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-12-01 15:44:12,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2020-12-01 15:44:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2020-12-01 15:44:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1315 transitions. [2020-12-01 15:44:12,744 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1315 transitions. Word has length 197 [2020-12-01 15:44:12,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:12,745 INFO L481 AbstractCegarLoop]: Abstraction has 870 states and 1315 transitions. [2020-12-01 15:44:12,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1315 transitions. [2020-12-01 15:44:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-01 15:44:12,755 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:12,756 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:12,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:44:12,758 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:12,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:12,760 INFO L82 PathProgramCache]: Analyzing trace with hash 274330525, now seen corresponding path program 1 times [2020-12-01 15:44:12,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:12,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089883340] [2020-12-01 15:44:12,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:44:13,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089883340] [2020-12-01 15:44:13,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:13,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:44:13,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007330086] [2020-12-01 15:44:13,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:44:13,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:13,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:44:13,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:44:13,618 INFO L87 Difference]: Start difference. First operand 870 states and 1315 transitions. Second operand 4 states. [2020-12-01 15:44:15,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:15,096 INFO L93 Difference]: Finished difference Result 1884 states and 2886 transitions. [2020-12-01 15:44:15,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:44:15,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 204 [2020-12-01 15:44:15,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:15,109 INFO L225 Difference]: With dead ends: 1884 [2020-12-01 15:44:15,109 INFO L226 Difference]: Without dead ends: 842 [2020-12-01 15:44:15,112 INFO L677 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 [2020-12-01 15:44:15,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-12-01 15:44:15,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2020-12-01 15:44:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-12-01 15:44:15,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1148 transitions. [2020-12-01 15:44:15,160 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1148 transitions. Word has length 204 [2020-12-01 15:44:15,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:15,161 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 1148 transitions. [2020-12-01 15:44:15,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:44:15,167 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1148 transitions. [2020-12-01 15:44:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-12-01 15:44:15,170 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:15,170 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:15,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:44:15,171 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:15,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:15,172 INFO L82 PathProgramCache]: Analyzing trace with hash 787758054, now seen corresponding path program 1 times [2020-12-01 15:44:15,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:15,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195906674] [2020-12-01 15:44:15,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:44:15,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195906674] [2020-12-01 15:44:15,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:15,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:44:15,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896860457] [2020-12-01 15:44:15,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:15,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:15,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:15,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:44:15,380 INFO L87 Difference]: Start difference. First operand 842 states and 1148 transitions. Second operand 3 states. [2020-12-01 15:44:16,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:16,414 INFO L93 Difference]: Finished difference Result 2504 states and 3420 transitions. [2020-12-01 15:44:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:16,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-12-01 15:44:16,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:16,426 INFO L225 Difference]: With dead ends: 2504 [2020-12-01 15:44:16,427 INFO L226 Difference]: Without dead ends: 1664 [2020-12-01 15:44:16,430 INFO L677 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 [2020-12-01 15:44:16,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-12-01 15:44:16,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1663. [2020-12-01 15:44:16,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1663 states. [2020-12-01 15:44:16,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2201 transitions. [2020-12-01 15:44:16,505 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2201 transitions. Word has length 212 [2020-12-01 15:44:16,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:16,506 INFO L481 AbstractCegarLoop]: Abstraction has 1663 states and 2201 transitions. [2020-12-01 15:44:16,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2201 transitions. [2020-12-01 15:44:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-12-01 15:44:16,514 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:16,514 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:16,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:44:16,515 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:16,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:16,516 INFO L82 PathProgramCache]: Analyzing trace with hash -296495238, now seen corresponding path program 1 times [2020-12-01 15:44:16,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:16,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152882992] [2020-12-01 15:44:16,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:44:17,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152882992] [2020-12-01 15:44:17,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:17,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:44:17,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884719594] [2020-12-01 15:44:17,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:44:17,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:17,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:44:17,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:44:17,349 INFO L87 Difference]: Start difference. First operand 1663 states and 2201 transitions. Second operand 4 states. [2020-12-01 15:44:19,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:19,053 INFO L93 Difference]: Finished difference Result 4323 states and 5738 transitions. [2020-12-01 15:44:19,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:44:19,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 220 [2020-12-01 15:44:19,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:19,071 INFO L225 Difference]: With dead ends: 4323 [2020-12-01 15:44:19,071 INFO L226 Difference]: Without dead ends: 2488 [2020-12-01 15:44:19,074 INFO L677 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 [2020-12-01 15:44:19,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2020-12-01 15:44:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 2487. [2020-12-01 15:44:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2487 states. [2020-12-01 15:44:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3250 transitions. [2020-12-01 15:44:19,147 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3250 transitions. Word has length 220 [2020-12-01 15:44:19,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:19,149 INFO L481 AbstractCegarLoop]: Abstraction has 2487 states and 3250 transitions. [2020-12-01 15:44:19,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:44:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3250 transitions. [2020-12-01 15:44:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-12-01 15:44:19,158 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:19,159 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:19,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:44:19,159 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:19,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1529537281, now seen corresponding path program 1 times [2020-12-01 15:44:19,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:19,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149157127] [2020-12-01 15:44:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:44:19,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149157127] [2020-12-01 15:44:19,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:19,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:44:19,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171625562] [2020-12-01 15:44:19,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:19,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:19,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:19,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:44:19,369 INFO L87 Difference]: Start difference. First operand 2487 states and 3250 transitions. Second operand 3 states. [2020-12-01 15:44:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:20,407 INFO L93 Difference]: Finished difference Result 6628 states and 8636 transitions. [2020-12-01 15:44:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:20,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-12-01 15:44:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:20,435 INFO L225 Difference]: With dead ends: 6628 [2020-12-01 15:44:20,435 INFO L226 Difference]: Without dead ends: 4143 [2020-12-01 15:44:20,443 INFO L677 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 [2020-12-01 15:44:20,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4143 states. [2020-12-01 15:44:20,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4143 to 4140. [2020-12-01 15:44:20,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4140 states. [2020-12-01 15:44:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5365 transitions. [2020-12-01 15:44:20,613 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5365 transitions. Word has length 222 [2020-12-01 15:44:20,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:20,619 INFO L481 AbstractCegarLoop]: Abstraction has 4140 states and 5365 transitions. [2020-12-01 15:44:20,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:20,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5365 transitions. [2020-12-01 15:44:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-12-01 15:44:20,634 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:20,634 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:20,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:44:20,635 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:20,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:20,636 INFO L82 PathProgramCache]: Analyzing trace with hash -12457689, now seen corresponding path program 1 times [2020-12-01 15:44:20,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:20,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570770127] [2020-12-01 15:44:20,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:44:20,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570770127] [2020-12-01 15:44:20,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201875547] [2020-12-01 15:44:20,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/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 [2020-12-01 15:44:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:21,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:44:21,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 15:44:21,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:44:21,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:44:21,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563025741] [2020-12-01 15:44:21,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:21,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:21,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:21,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:44:21,717 INFO L87 Difference]: Start difference. First operand 4140 states and 5365 transitions. Second operand 3 states. [2020-12-01 15:44:22,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:22,856 INFO L93 Difference]: Finished difference Result 8287 states and 10744 transitions. [2020-12-01 15:44:22,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:22,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-12-01 15:44:22,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:22,899 INFO L225 Difference]: With dead ends: 8287 [2020-12-01 15:44:22,899 INFO L226 Difference]: Without dead ends: 4149 [2020-12-01 15:44:22,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:44:22,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4149 states. [2020-12-01 15:44:22,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4149 to 4140. [2020-12-01 15:44:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4140 states. [2020-12-01 15:44:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5322 transitions. [2020-12-01 15:44:23,013 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5322 transitions. Word has length 227 [2020-12-01 15:44:23,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:23,014 INFO L481 AbstractCegarLoop]: Abstraction has 4140 states and 5322 transitions. [2020-12-01 15:44:23,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5322 transitions. [2020-12-01 15:44:23,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-12-01 15:44:23,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:23,028 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:23,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-01 15:44:23,243 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:23,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:23,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1266910207, now seen corresponding path program 1 times [2020-12-01 15:44:23,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:23,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256471381] [2020-12-01 15:44:23,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:44:23,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256471381] [2020-12-01 15:44:23,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016540031] [2020-12-01 15:44:23,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/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 [2020-12-01 15:44:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:23,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:44:23,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 15:44:24,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:44:24,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:44:24,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598612204] [2020-12-01 15:44:24,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:24,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:24,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:24,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:44:24,005 INFO L87 Difference]: Start difference. First operand 4140 states and 5322 transitions. Second operand 3 states. [2020-12-01 15:44:25,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:25,086 INFO L93 Difference]: Finished difference Result 12344 states and 15868 transitions. [2020-12-01 15:44:25,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:25,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-12-01 15:44:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:25,141 INFO L225 Difference]: With dead ends: 12344 [2020-12-01 15:44:25,142 INFO L226 Difference]: Without dead ends: 8206 [2020-12-01 15:44:25,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:44:25,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8206 states. [2020-12-01 15:44:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8206 to 8200. [2020-12-01 15:44:25,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8200 states. [2020-12-01 15:44:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8200 states to 8200 states and 9645 transitions. [2020-12-01 15:44:25,371 INFO L78 Accepts]: Start accepts. Automaton has 8200 states and 9645 transitions. Word has length 233 [2020-12-01 15:44:25,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:25,371 INFO L481 AbstractCegarLoop]: Abstraction has 8200 states and 9645 transitions. [2020-12-01 15:44:25,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 8200 states and 9645 transitions. [2020-12-01 15:44:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-12-01 15:44:25,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:25,395 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:25,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:25,615 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:25,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:25,616 INFO L82 PathProgramCache]: Analyzing trace with hash 205992449, now seen corresponding path program 1 times [2020-12-01 15:44:25,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:25,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342808275] [2020-12-01 15:44:25,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:44:25,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342808275] [2020-12-01 15:44:25,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993464394] [2020-12-01 15:44:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:26,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:44:26,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:44:26,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:44:26,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-01 15:44:26,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872365374] [2020-12-01 15:44:26,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:26,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:26,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:26,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:44:26,251 INFO L87 Difference]: Start difference. First operand 8200 states and 9645 transitions. Second operand 3 states. [2020-12-01 15:44:27,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:27,386 INFO L93 Difference]: Finished difference Result 20464 states and 24514 transitions. [2020-12-01 15:44:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:27,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-12-01 15:44:27,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:27,444 INFO L225 Difference]: With dead ends: 20464 [2020-12-01 15:44:27,444 INFO L226 Difference]: Without dead ends: 12266 [2020-12-01 15:44:27,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:44:27,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12266 states. [2020-12-01 15:44:27,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12266 to 12260. [2020-12-01 15:44:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12260 states. [2020-12-01 15:44:27,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 12260 states and 14080 transitions. [2020-12-01 15:44:27,753 INFO L78 Accepts]: Start accepts. Automaton has 12260 states and 14080 transitions. Word has length 243 [2020-12-01 15:44:27,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:27,754 INFO L481 AbstractCegarLoop]: Abstraction has 12260 states and 14080 transitions. [2020-12-01 15:44:27,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 12260 states and 14080 transitions. [2020-12-01 15:44:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-12-01 15:44:27,787 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:27,787 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:28,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:28,015 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:28,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:28,016 INFO L82 PathProgramCache]: Analyzing trace with hash 729726468, now seen corresponding path program 1 times [2020-12-01 15:44:28,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:28,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164259077] [2020-12-01 15:44:28,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:44:28,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164259077] [2020-12-01 15:44:28,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:28,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:44:28,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161497253] [2020-12-01 15:44:28,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:28,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:28,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:28,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:44:28,305 INFO L87 Difference]: Start difference. First operand 12260 states and 14080 transitions. Second operand 3 states. [2020-12-01 15:44:29,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:29,387 INFO L93 Difference]: Finished difference Result 32872 states and 37889 transitions. [2020-12-01 15:44:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:29,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2020-12-01 15:44:29,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:29,433 INFO L225 Difference]: With dead ends: 32872 [2020-12-01 15:44:29,433 INFO L226 Difference]: Without dead ends: 20614 [2020-12-01 15:44:29,451 INFO L677 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 [2020-12-01 15:44:29,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20614 states. [2020-12-01 15:44:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20614 to 18356. [2020-12-01 15:44:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18356 states. [2020-12-01 15:44:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18356 states to 18356 states and 21300 transitions. [2020-12-01 15:44:30,002 INFO L78 Accepts]: Start accepts. Automaton has 18356 states and 21300 transitions. Word has length 264 [2020-12-01 15:44:30,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:30,003 INFO L481 AbstractCegarLoop]: Abstraction has 18356 states and 21300 transitions. [2020-12-01 15:44:30,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:30,003 INFO L276 IsEmpty]: Start isEmpty. Operand 18356 states and 21300 transitions. [2020-12-01 15:44:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-12-01 15:44:30,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:30,043 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-12-01 15:44:30,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 15:44:30,043 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:30,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:30,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1179044900, now seen corresponding path program 1 times [2020-12-01 15:44:30,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:30,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563001719] [2020-12-01 15:44:30,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:44:30,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563001719] [2020-12-01 15:44:30,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326160252] [2020-12-01 15:44:30,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:30,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:44:30,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 15:44:31,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:44:31,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:44:31,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309204566] [2020-12-01 15:44:31,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:31,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:31,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:31,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:44:31,077 INFO L87 Difference]: Start difference. First operand 18356 states and 21300 transitions. Second operand 3 states. [2020-12-01 15:44:32,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:32,024 INFO L93 Difference]: Finished difference Result 36513 states and 42394 transitions. [2020-12-01 15:44:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:32,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2020-12-01 15:44:32,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:32,070 INFO L225 Difference]: With dead ends: 36513 [2020-12-01 15:44:32,070 INFO L226 Difference]: Without dead ends: 18362 [2020-12-01 15:44:32,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:44:32,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18362 states. [2020-12-01 15:44:32,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18362 to 17747. [2020-12-01 15:44:32,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17747 states. [2020-12-01 15:44:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17747 states to 17747 states and 20376 transitions. [2020-12-01 15:44:32,395 INFO L78 Accepts]: Start accepts. Automaton has 17747 states and 20376 transitions. Word has length 275 [2020-12-01 15:44:32,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:32,396 INFO L481 AbstractCegarLoop]: Abstraction has 17747 states and 20376 transitions. [2020-12-01 15:44:32,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 17747 states and 20376 transitions. [2020-12-01 15:44:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-12-01 15:44:32,443 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:32,443 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-12-01 15:44:32,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:32,671 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:32,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:32,672 INFO L82 PathProgramCache]: Analyzing trace with hash -17999459, now seen corresponding path program 1 times [2020-12-01 15:44:32,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:32,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369153561] [2020-12-01 15:44:32,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 125 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-01 15:44:33,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369153561] [2020-12-01 15:44:33,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260509970] [2020-12-01 15:44:33,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:33,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:44:33,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 15:44:33,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:44:33,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:44:33,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011526426] [2020-12-01 15:44:33,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:33,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:33,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:33,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:44:33,848 INFO L87 Difference]: Start difference. First operand 17747 states and 20376 transitions. Second operand 3 states. [2020-12-01 15:44:35,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:35,034 INFO L93 Difference]: Finished difference Result 48750 states and 56141 transitions. [2020-12-01 15:44:35,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:35,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-12-01 15:44:35,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:35,083 INFO L225 Difference]: With dead ends: 48750 [2020-12-01 15:44:35,083 INFO L226 Difference]: Without dead ends: 31412 [2020-12-01 15:44:35,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:44:35,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31412 states. [2020-12-01 15:44:35,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31412 to 30584. [2020-12-01 15:44:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30584 states. [2020-12-01 15:44:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30584 states to 30584 states and 34664 transitions. [2020-12-01 15:44:35,738 INFO L78 Accepts]: Start accepts. Automaton has 30584 states and 34664 transitions. Word has length 311 [2020-12-01 15:44:35,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:35,739 INFO L481 AbstractCegarLoop]: Abstraction has 30584 states and 34664 transitions. [2020-12-01 15:44:35,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:35,740 INFO L276 IsEmpty]: Start isEmpty. Operand 30584 states and 34664 transitions. [2020-12-01 15:44:35,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-12-01 15:44:35,785 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:35,786 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:44:36,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-01 15:44:36,003 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:44:36,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:36,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1765625295, now seen corresponding path program 1 times [2020-12-01 15:44:36,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:36,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402440694] [2020-12-01 15:44:36,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:44:36,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402440694] [2020-12-01 15:44:36,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:36,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:44:36,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459091922] [2020-12-01 15:44:36,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:44:36,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:36,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:44:36,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:44:36,369 INFO L87 Difference]: Start difference. First operand 30584 states and 34664 transitions. Second operand 3 states. [2020-12-01 15:44:37,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:37,408 INFO L93 Difference]: Finished difference Result 56059 states and 63401 transitions. [2020-12-01 15:44:37,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:44:37,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-12-01 15:44:37,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:37,416 INFO L225 Difference]: With dead ends: 56059 [2020-12-01 15:44:37,416 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:44:37,433 INFO L677 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 [2020-12-01 15:44:37,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:44:37,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:44:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:44:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:44:37,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 327 [2020-12-01 15:44:37,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:37,434 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:44:37,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:44:37,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:44:37,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:44:37,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-01 15:44:37,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:44:37,586 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2020-12-01 15:44:37,714 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2020-12-01 15:44:37,984 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-12-01 15:44:38,254 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-12-01 15:44:38,258 INFO L262 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-12-01 15:44:38,258 INFO L262 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-12-01 15:44:38,258 INFO L262 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,258 INFO L262 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-12-01 15:44:38,258 INFO L262 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,258 INFO L262 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,258 INFO L262 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,259 INFO L262 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-12-01 15:44:38,260 INFO L262 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,261 INFO L262 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-12-01 15:44:38,263 INFO L262 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,263 INFO L262 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-12-01 15:44:38,263 INFO L262 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-12-01 15:44:38,263 INFO L262 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,263 INFO L262 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,263 INFO L262 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,263 INFO L262 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,264 INFO L262 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,264 INFO L262 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,264 INFO L262 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,264 INFO L262 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-12-01 15:44:38,264 INFO L262 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,264 INFO L262 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-12-01 15:44:38,264 INFO L262 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-12-01 15:44:38,265 INFO L262 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,265 INFO L262 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,265 INFO L262 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,265 INFO L262 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,265 INFO L262 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 15:44:38,265 INFO L262 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 15:44:38,265 INFO L262 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,266 INFO L262 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,266 INFO L262 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,266 INFO L262 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,266 INFO L262 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,266 INFO L262 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,266 INFO L262 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,266 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,267 INFO L262 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,267 INFO L262 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,267 INFO L262 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-12-01 15:44:38,267 INFO L262 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-12-01 15:44:38,267 INFO L262 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-12-01 15:44:38,267 INFO L262 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,267 INFO L262 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,268 INFO L262 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,268 INFO L262 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,268 INFO L262 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,268 INFO L262 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,268 INFO L262 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-12-01 15:44:38,268 INFO L262 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-12-01 15:44:38,268 INFO L262 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-12-01 15:44:38,269 INFO L262 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,269 INFO L262 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,269 INFO L262 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,269 INFO L262 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,269 INFO L262 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,269 INFO L262 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,270 INFO L262 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-12-01 15:44:38,270 INFO L262 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-12-01 15:44:38,270 INFO L262 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-12-01 15:44:38,270 INFO L262 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,270 INFO L262 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,270 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,270 INFO L262 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-12-01 15:44:38,271 INFO L262 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,271 INFO L262 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-12-01 15:44:38,271 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:44:38,271 INFO L262 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,271 INFO L262 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,271 INFO L262 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 15:44:38,271 INFO L262 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 15:44:38,272 INFO L262 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,272 INFO L262 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,272 INFO L262 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,272 INFO L262 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,272 INFO L262 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,272 INFO L262 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,272 INFO L262 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,272 INFO L262 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-12-01 15:44:38,273 INFO L262 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-12-01 15:44:38,273 INFO L262 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-12-01 15:44:38,273 INFO L262 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-12-01 15:44:38,273 INFO L262 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-12-01 15:44:38,274 INFO L262 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,274 INFO L262 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,274 INFO L262 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,274 INFO L262 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,274 INFO L262 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,274 INFO L262 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,274 INFO L262 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,275 INFO L262 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,275 INFO L262 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,275 INFO L262 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,275 INFO L262 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-12-01 15:44:38,275 INFO L262 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-12-01 15:44:38,275 INFO L262 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-12-01 15:44:38,276 INFO L262 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,276 INFO L262 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,276 INFO L262 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,276 INFO L262 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,276 INFO L262 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,276 INFO L262 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,276 INFO L262 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,277 INFO L262 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,277 INFO L262 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,277 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:44:38,277 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 15:44:38,277 INFO L262 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-12-01 15:44:38,278 INFO L262 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-12-01 15:44:38,278 INFO L262 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-12-01 15:44:38,278 INFO L262 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-12-01 15:44:38,278 INFO L262 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-12-01 15:44:38,278 INFO L262 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,278 INFO L262 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,278 INFO L262 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,279 INFO L262 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,279 INFO L262 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,279 INFO L262 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,279 INFO L262 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,279 INFO L262 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,279 INFO L262 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-12-01 15:44:38,279 INFO L262 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-12-01 15:44:38,280 INFO L262 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-12-01 15:44:38,280 INFO L262 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,280 INFO L262 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,280 INFO L262 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,280 INFO L262 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-12-01 15:44:38,280 INFO L262 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-12-01 15:44:38,280 INFO L262 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,281 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,281 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,281 INFO L262 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-12-01 15:44:38,281 INFO L262 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,281 INFO L262 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-12-01 15:44:38,281 INFO L262 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,281 INFO L262 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-12-01 15:44:38,282 INFO L262 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,282 INFO L262 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,282 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 15:44:38,282 INFO L262 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 15:44:38,282 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 15:44:38,282 INFO L262 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 15:44:38,282 INFO L262 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-12-01 15:44:38,283 INFO L262 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-12-01 15:44:38,283 INFO L262 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-12-01 15:44:38,283 INFO L262 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,283 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,283 INFO L262 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,285 INFO L258 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse2 (<= ~a27~0 0)) (.cse1 (<= ~a12~0 0)) (.cse6 (= ~a26~0 ~a11~0)) (.cse4 (= ~a12~0 1)) (.cse0 (= ~a5~0 1)) (.cse5 (= ~a27~0 1)) (.cse3 (= ~a18~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (<= ~a3~0 0)) (and .cse4 .cse0 .cse5 .cse3 .cse6 (= ~a15~0 1)) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (= ~a11~0 0)) (and .cse0 .cse5 .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3 .cse6 (<= ~a6~0 0)) (and .cse4 .cse0 .cse5 (<= 2 ~a3~0) .cse3))) [2020-12-01 15:44:38,285 INFO L262 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,285 INFO L262 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,286 INFO L262 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,286 INFO L262 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-12-01 15:44:38,286 INFO L262 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-12-01 15:44:38,286 INFO L262 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,286 INFO L262 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,286 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,286 INFO L265 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-12-01 15:44:38,287 INFO L262 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,287 INFO L262 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,287 INFO L262 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,287 INFO L262 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,287 INFO L262 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,287 INFO L262 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,287 INFO L262 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-12-01 15:44:38,288 INFO L262 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-12-01 15:44:38,288 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 15:44:38,288 INFO L262 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,288 INFO L262 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,288 INFO L262 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,288 INFO L262 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,288 INFO L262 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,289 INFO L262 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,289 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,289 INFO L262 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,289 INFO L262 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,289 INFO L262 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-12-01 15:44:38,289 INFO L262 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-12-01 15:44:38,289 INFO L262 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,290 INFO L262 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,290 INFO L262 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-12-01 15:44:38,290 INFO L262 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-12-01 15:44:38,290 INFO L262 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,291 INFO L258 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse2 (<= ~a27~0 0)) (.cse1 (<= ~a12~0 0)) (.cse6 (= ~a26~0 ~a11~0)) (.cse4 (= ~a12~0 1)) (.cse0 (= ~a5~0 1)) (.cse5 (= ~a27~0 1)) (.cse3 (= ~a18~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (<= ~a3~0 0)) (and .cse4 .cse0 .cse5 .cse3 .cse6 (= ~a15~0 1)) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (= ~a11~0 0)) (and .cse0 .cse5 .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3 .cse6 (<= ~a6~0 0)) (and .cse4 .cse0 .cse5 (<= 2 ~a3~0) .cse3))) [2020-12-01 15:44:38,291 INFO L262 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,291 INFO L262 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,291 INFO L262 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,292 INFO L262 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,292 INFO L262 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-12-01 15:44:38,292 INFO L262 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-12-01 15:44:38,292 INFO L262 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,292 INFO L262 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,292 INFO L262 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,293 INFO L262 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,293 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,293 INFO L262 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,293 INFO L262 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,293 INFO L262 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,293 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:44:38,293 INFO L262 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-12-01 15:44:38,293 INFO L262 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-12-01 15:44:38,294 INFO L262 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-12-01 15:44:38,294 INFO L262 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,294 INFO L262 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-12-01 15:44:38,294 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,294 INFO L262 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,294 INFO L262 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-12-01 15:44:38,294 INFO L262 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,295 INFO L262 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,295 INFO L262 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,295 INFO L262 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,296 INFO L262 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,296 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-12-01 15:44:38,297 INFO L262 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,297 INFO L262 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-12-01 15:44:38,297 INFO L262 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-12-01 15:44:38,297 INFO L262 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-12-01 15:44:38,298 INFO L262 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,298 INFO L262 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,299 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,299 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,299 INFO L262 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,301 INFO L262 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,301 INFO L262 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,301 INFO L262 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,302 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 15:44:38,302 INFO L262 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 15:44:38,302 INFO L262 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,302 INFO L262 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,302 INFO L262 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-12-01 15:44:38,302 INFO L262 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-12-01 15:44:38,302 INFO L262 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-12-01 15:44:38,303 INFO L262 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,303 INFO L262 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,303 INFO L262 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,303 INFO L262 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,303 INFO L262 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,303 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:44:38,303 INFO L262 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,304 INFO L262 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,304 INFO L262 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,304 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,304 INFO L262 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,304 INFO L262 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,304 INFO L262 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-12-01 15:44:38,304 INFO L262 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-12-01 15:44:38,304 INFO L262 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-12-01 15:44:38,305 INFO L262 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,305 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,305 INFO L262 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,305 INFO L262 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,305 INFO L262 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,305 INFO L262 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,305 INFO L262 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,306 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 15:44:38,306 INFO L262 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 15:44:38,306 INFO L262 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,306 INFO L262 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-12-01 15:44:38,306 INFO L262 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-12-01 15:44:38,306 INFO L262 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-12-01 15:44:38,306 INFO L262 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,307 INFO L262 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,307 INFO L262 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,307 INFO L262 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,307 INFO L262 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-12-01 15:44:38,307 INFO L262 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-12-01 15:44:38,307 INFO L262 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-12-01 15:44:38,307 INFO L262 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,308 INFO L262 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,308 INFO L262 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:44:38,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:44:38 BoogieIcfgContainer [2020-12-01 15:44:38,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:44:38,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:44:38,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:44:38,357 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:44:38,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:44:07" (3/4) ... [2020-12-01 15:44:38,362 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:44:38,409 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:44:38,413 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:44:38,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:44:38,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:44:38,712 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0f8977bf-b2e2-4489-afdd-a5f27ed1ad40/bin/uautomizer/witness.graphml [2020-12-01 15:44:38,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:44:38,713 INFO L168 Benchmark]: Toolchain (without parser) took 34853.31 ms. Allocated memory was 109.1 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 76.9 MB in the beginning and 889.5 MB in the end (delta: -812.6 MB). Peak memory consumption was 397.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:38,714 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 109.1 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 61.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:38,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1359.67 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 76.8 MB in the beginning and 86.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:38,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.12 ms. Allocated memory is still 132.1 MB. Free memory was 85.4 MB in the beginning and 71.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:38,715 INFO L168 Benchmark]: Boogie Preprocessor took 166.13 ms. Allocated memory is still 132.1 MB. Free memory was 71.3 MB in the beginning and 60.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:38,716 INFO L168 Benchmark]: RCFGBuilder took 2382.16 ms. Allocated memory was 132.1 MB in the beginning and 216.0 MB in the end (delta: 83.9 MB). Free memory was 60.2 MB in the beginning and 138.6 MB in the end (delta: -78.4 MB). Peak memory consumption was 64.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:38,717 INFO L168 Benchmark]: TraceAbstraction took 30384.97 ms. Allocated memory was 216.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 138.6 MB in the beginning and 926.2 MB in the end (delta: -787.6 MB). Peak memory consumption was 315.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:38,717 INFO L168 Benchmark]: Witness Printer took 355.56 ms. Allocated memory is still 1.3 GB. Free memory was 926.2 MB in the beginning and 889.5 MB in the end (delta: 36.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:38,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 109.1 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 61.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1359.67 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 76.8 MB in the beginning and 86.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 195.12 ms. Allocated memory is still 132.1 MB. Free memory was 85.4 MB in the beginning and 71.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 166.13 ms. Allocated memory is still 132.1 MB. Free memory was 71.3 MB in the beginning and 60.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2382.16 ms. Allocated memory was 132.1 MB in the beginning and 216.0 MB in the end (delta: 83.9 MB). Free memory was 60.2 MB in the beginning and 138.6 MB in the end (delta: -78.4 MB). Peak memory consumption was 64.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30384.97 ms. Allocated memory was 216.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 138.6 MB in the beginning and 926.2 MB in the end (delta: -787.6 MB). Peak memory consumption was 315.5 MB. Max. memory is 16.1 GB. * Witness Printer took 355.56 ms. Allocated memory is still 1.3 GB. Free memory was 926.2 MB in the beginning and 889.5 MB in the end (delta: 36.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((a5 == 1 && a12 <= 0) && a27 <= 0) && a18 == 1) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a15 == 1)) || (((a12 == 1 && a5 == 1) && a27 <= 0) && a18 == 1)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a11 == 0)) || (((a5 == 1 && a27 == 1) && a12 <= 0) && a18 == 1)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a18 == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((a5 == 1 && a12 <= 0) && a27 <= 0) && a18 == 1) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a15 == 1)) || (((a12 == 1 && a5 == 1) && a27 <= 0) && a18 == 1)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a11 == 0)) || (((a5 == 1 && a27 == 1) && a12 <= 0) && a18 == 1)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a18 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.3s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1883 SDtfs, 2076 SDslu, 234 SDs, 0 SdLazy, 7937 SolverSat, 1246 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1321 GetRequests, 1294 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30584occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 3745 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 185 NumberOfFragments, 253 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3816 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 792 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 4413 NumberOfCodeBlocks, 4413 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4395 ConstructedInterpolants, 0 QuantifiedInterpolants, 4364394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2521 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 1224/1259 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...