./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c -s /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/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 850c3bde305dfd744382c917dcb915ac40b9650f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:21:16,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:21:16,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:21:16,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:21:16,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:21:16,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:21:16,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:21:16,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:21:16,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:21:16,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:21:16,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:21:16,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:21:16,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:21:16,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:21:16,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:21:16,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:21:16,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:21:16,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:21:16,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:21:16,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:21:16,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:21:16,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:21:16,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:21:16,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:21:17,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:21:17,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:21:17,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:21:17,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:21:17,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:21:17,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:21:17,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:21:17,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:21:17,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:21:17,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:21:17,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:21:17,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:21:17,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:21:17,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:21:17,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:21:17,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:21:17,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:21:17,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:21:17,073 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:21:17,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:21:17,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:21:17,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:21:17,076 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:21:17,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:21:17,077 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:21:17,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:21:17,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:21:17,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:21:17,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:21:17,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:21:17,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:21:17,079 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:21:17,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:21:17,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:21:17,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:21:17,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:21:17,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:21:17,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:21:17,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:21:17,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:21:17,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:21:17,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:21:17,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:21:17,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:21:17,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:21:17,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:21:17,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:21:17,083 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_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 850c3bde305dfd744382c917dcb915ac40b9650f [2020-11-30 01:21:17,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:21:17,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:21:17,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:21:17,421 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:21:17,423 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:21:17,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2020-11-30 01:21:17,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/data/5482c06e1/7aab5a6b5a4b4aa3a39db351b1b7673b/FLAG29c3c33e6 [2020-11-30 01:21:18,265 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:21:18,266 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2020-11-30 01:21:18,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/data/5482c06e1/7aab5a6b5a4b4aa3a39db351b1b7673b/FLAG29c3c33e6 [2020-11-30 01:21:18,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/data/5482c06e1/7aab5a6b5a4b4aa3a39db351b1b7673b [2020-11-30 01:21:18,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:21:18,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:21:18,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:21:18,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:21:18,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:21:18,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:21:18" (1/1) ... [2020-11-30 01:21:18,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e379ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:18, skipping insertion in model container [2020-11-30 01:21:18,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:21:18" (1/1) ... [2020-11-30 01:21:18,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:21:18,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:21:18,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:21:18,951 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:21:19,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:21:19,172 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:21:19,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19 WrapperNode [2020-11-30 01:21:19,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:21:19,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:21:19,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:21:19,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:21:19,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... [2020-11-30 01:21:19,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... [2020-11-30 01:21:19,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:21:19,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:21:19,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:21:19,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:21:19,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... [2020-11-30 01:21:19,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... [2020-11-30 01:21:19,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... [2020-11-30 01:21:19,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... [2020-11-30 01:21:19,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... [2020-11-30 01:21:19,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... [2020-11-30 01:21:19,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... [2020-11-30 01:21:19,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:21:19,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:21:19,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:21:19,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:21:19,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/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 [2020-11-30 01:21:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:21:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:21:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:21:19,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:21:21,055 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:21:21,058 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:21:21,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:21:21 BoogieIcfgContainer [2020-11-30 01:21:21,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:21:21,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:21:21,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:21:21,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:21:21,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:21:18" (1/3) ... [2020-11-30 01:21:21,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125b9614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:21:21, skipping insertion in model container [2020-11-30 01:21:21,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:19" (2/3) ... [2020-11-30 01:21:21,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125b9614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:21:21, skipping insertion in model container [2020-11-30 01:21:21,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:21:21" (3/3) ... [2020-11-30 01:21:21,077 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label59.c [2020-11-30 01:21:21,089 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:21:21,094 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:21:21,106 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:21:21,149 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:21:21,149 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:21:21,149 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:21:21,150 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:21:21,150 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:21:21,151 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:21:21,151 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:21:21,151 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:21:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-30 01:21:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 01:21:21,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:21,192 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] [2020-11-30 01:21:21,192 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:21,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:21,201 INFO L82 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2020-11-30 01:21:21,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:21,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060199582] [2020-11-30 01:21:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:21,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060199582] [2020-11-30 01:21:21,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:21,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:21,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185564678] [2020-11-30 01:21:21,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:21,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:21,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:21,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:21,660 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-30 01:21:22,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:22,891 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-11-30 01:21:22,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:22,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-11-30 01:21:22,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:22,917 INFO L225 Difference]: With dead ends: 568 [2020-11-30 01:21:22,924 INFO L226 Difference]: Without dead ends: 282 [2020-11-30 01:21:22,929 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 [2020-11-30 01:21:22,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-30 01:21:22,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-30 01:21:22,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-30 01:21:22,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-11-30 01:21:22,989 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 65 [2020-11-30 01:21:22,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:22,990 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-11-30 01:21:22,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-11-30 01:21:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-11-30 01:21:22,997 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:22,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:22,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:21:22,998 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:22,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:23,001 INFO L82 PathProgramCache]: Analyzing trace with hash -578114294, now seen corresponding path program 1 times [2020-11-30 01:21:23,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:23,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894394819] [2020-11-30 01:21:23,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:23,269 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:23,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894394819] [2020-11-30 01:21:23,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:23,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:21:23,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800767634] [2020-11-30 01:21:23,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:23,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:23,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:23,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:23,275 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-11-30 01:21:24,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:24,119 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2020-11-30 01:21:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:24,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-11-30 01:21:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:24,126 INFO L225 Difference]: With dead ends: 840 [2020-11-30 01:21:24,127 INFO L226 Difference]: Without dead ends: 560 [2020-11-30 01:21:24,129 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 [2020-11-30 01:21:24,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-30 01:21:24,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-30 01:21:24,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-30 01:21:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-11-30 01:21:24,164 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 131 [2020-11-30 01:21:24,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:24,165 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-11-30 01:21:24,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-11-30 01:21:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-30 01:21:24,171 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:24,172 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:24,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:21:24,172 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:24,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:24,173 INFO L82 PathProgramCache]: Analyzing trace with hash 2120796347, now seen corresponding path program 1 times [2020-11-30 01:21:24,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:24,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837235636] [2020-11-30 01:21:24,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:24,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837235636] [2020-11-30 01:21:24,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:24,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:24,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322229027] [2020-11-30 01:21:24,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:24,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:24,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:24,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:24,318 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2020-11-30 01:21:25,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:25,069 INFO L93 Difference]: Finished difference Result 1257 states and 1672 transitions. [2020-11-30 01:21:25,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:25,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-11-30 01:21:25,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:25,074 INFO L225 Difference]: With dead ends: 1257 [2020-11-30 01:21:25,074 INFO L226 Difference]: Without dead ends: 699 [2020-11-30 01:21:25,077 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 [2020-11-30 01:21:25,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-30 01:21:25,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-30 01:21:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-30 01:21:25,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 904 transitions. [2020-11-30 01:21:25,108 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 904 transitions. Word has length 138 [2020-11-30 01:21:25,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:25,108 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 904 transitions. [2020-11-30 01:21:25,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:25,109 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 904 transitions. [2020-11-30 01:21:25,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-30 01:21:25,126 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:25,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:25,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:21:25,127 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:25,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:25,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1372500603, now seen corresponding path program 1 times [2020-11-30 01:21:25,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:25,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948384485] [2020-11-30 01:21:25,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:25,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948384485] [2020-11-30 01:21:25,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:25,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:25,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368036404] [2020-11-30 01:21:25,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:25,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:25,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:25,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:25,279 INFO L87 Difference]: Start difference. First operand 699 states and 904 transitions. Second operand 3 states. [2020-11-30 01:21:26,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:26,045 INFO L93 Difference]: Finished difference Result 1674 states and 2235 transitions. [2020-11-30 01:21:26,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:26,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-11-30 01:21:26,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:26,052 INFO L225 Difference]: With dead ends: 1674 [2020-11-30 01:21:26,052 INFO L226 Difference]: Without dead ends: 977 [2020-11-30 01:21:26,054 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 [2020-11-30 01:21:26,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-30 01:21:26,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-30 01:21:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-30 01:21:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1198 transitions. [2020-11-30 01:21:26,084 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1198 transitions. Word has length 142 [2020-11-30 01:21:26,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:26,084 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1198 transitions. [2020-11-30 01:21:26,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1198 transitions. [2020-11-30 01:21:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-30 01:21:26,098 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:26,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:26,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:21:26,099 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:26,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:26,100 INFO L82 PathProgramCache]: Analyzing trace with hash 2031817598, now seen corresponding path program 1 times [2020-11-30 01:21:26,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:26,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082600927] [2020-11-30 01:21:26,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:26,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082600927] [2020-11-30 01:21:26,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:26,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:26,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190192846] [2020-11-30 01:21:26,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:26,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:26,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:26,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:26,233 INFO L87 Difference]: Start difference. First operand 977 states and 1198 transitions. Second operand 3 states. [2020-11-30 01:21:27,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:27,036 INFO L93 Difference]: Finished difference Result 2230 states and 2834 transitions. [2020-11-30 01:21:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:27,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-11-30 01:21:27,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:27,046 INFO L225 Difference]: With dead ends: 2230 [2020-11-30 01:21:27,046 INFO L226 Difference]: Without dead ends: 1394 [2020-11-30 01:21:27,048 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 [2020-11-30 01:21:27,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-30 01:21:27,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-11-30 01:21:27,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-11-30 01:21:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1712 transitions. [2020-11-30 01:21:27,086 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1712 transitions. Word has length 152 [2020-11-30 01:21:27,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:27,087 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1712 transitions. [2020-11-30 01:21:27,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1712 transitions. [2020-11-30 01:21:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-30 01:21:27,092 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:27,092 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:27,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:21:27,093 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:27,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:27,093 INFO L82 PathProgramCache]: Analyzing trace with hash 88877347, now seen corresponding path program 1 times [2020-11-30 01:21:27,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:27,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603014003] [2020-11-30 01:21:27,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 125 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:27,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603014003] [2020-11-30 01:21:27,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594530967] [2020-11-30 01:21:27,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/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 [2020-11-30 01:21:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:27,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:21:27,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:27,671 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-11-30 01:21:27,672 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 01:21:27,677 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:21:27,743 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:21:27,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:21:27,803 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:21:27,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:21:27,872 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:21:27,891 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:21:27,892 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:21:27,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:21:28,189 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 127 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:28,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:21:28,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2020-11-30 01:21:28,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902818729] [2020-11-30 01:21:28,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:21:28,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:28,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:21:28,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:21:28,199 INFO L87 Difference]: Start difference. First operand 1394 states and 1712 transitions. Second operand 8 states. [2020-11-30 01:21:31,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:31,918 INFO L93 Difference]: Finished difference Result 4595 states and 5752 transitions. [2020-11-30 01:21:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 01:21:31,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 213 [2020-11-30 01:21:31,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:31,938 INFO L225 Difference]: With dead ends: 4595 [2020-11-30 01:21:31,938 INFO L226 Difference]: Without dead ends: 3342 [2020-11-30 01:21:31,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 214 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2020-11-30 01:21:31,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2020-11-30 01:21:32,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 2367. [2020-11-30 01:21:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-11-30 01:21:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2822 transitions. [2020-11-30 01:21:32,028 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2822 transitions. Word has length 213 [2020-11-30 01:21:32,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:32,029 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2822 transitions. [2020-11-30 01:21:32,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:21:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2822 transitions. [2020-11-30 01:21:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-30 01:21:32,033 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:32,034 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:32,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-30 01:21:32,262 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:32,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:32,262 INFO L82 PathProgramCache]: Analyzing trace with hash -127130540, now seen corresponding path program 1 times [2020-11-30 01:21:32,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:32,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052512544] [2020-11-30 01:21:32,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:21:32,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052512544] [2020-11-30 01:21:32,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:32,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:21:32,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726501536] [2020-11-30 01:21:32,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 01:21:32,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:32,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:21:32,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:21:32,638 INFO L87 Difference]: Start difference. First operand 2367 states and 2822 transitions. Second operand 7 states. [2020-11-30 01:21:33,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:33,262 INFO L93 Difference]: Finished difference Result 4648 states and 5553 transitions. [2020-11-30 01:21:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:21:33,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-11-30 01:21:33,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:33,275 INFO L225 Difference]: With dead ends: 4648 [2020-11-30 01:21:33,275 INFO L226 Difference]: Without dead ends: 2367 [2020-11-30 01:21:33,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:21:33,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-11-30 01:21:33,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2020-11-30 01:21:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-11-30 01:21:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2811 transitions. [2020-11-30 01:21:33,336 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2811 transitions. Word has length 213 [2020-11-30 01:21:33,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:33,337 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2811 transitions. [2020-11-30 01:21:33,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 01:21:33,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2811 transitions. [2020-11-30 01:21:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-11-30 01:21:33,342 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:33,342 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:33,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:21:33,343 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:33,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:33,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1141592454, now seen corresponding path program 1 times [2020-11-30 01:21:33,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:33,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785116506] [2020-11-30 01:21:33,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-30 01:21:33,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785116506] [2020-11-30 01:21:33,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:33,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:21:33,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612547754] [2020-11-30 01:21:33,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:33,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:33,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:33,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:33,564 INFO L87 Difference]: Start difference. First operand 2367 states and 2811 transitions. Second operand 3 states. [2020-11-30 01:21:34,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:34,318 INFO L93 Difference]: Finished difference Result 5010 states and 6043 transitions. [2020-11-30 01:21:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:34,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2020-11-30 01:21:34,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:34,334 INFO L225 Difference]: With dead ends: 5010 [2020-11-30 01:21:34,334 INFO L226 Difference]: Without dead ends: 2784 [2020-11-30 01:21:34,337 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 [2020-11-30 01:21:34,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2020-11-30 01:21:34,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2645. [2020-11-30 01:21:34,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2020-11-30 01:21:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3104 transitions. [2020-11-30 01:21:34,401 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3104 transitions. Word has length 249 [2020-11-30 01:21:34,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:34,402 INFO L481 AbstractCegarLoop]: Abstraction has 2645 states and 3104 transitions. [2020-11-30 01:21:34,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3104 transitions. [2020-11-30 01:21:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-11-30 01:21:34,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:34,410 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:34,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:21:34,410 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:34,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:34,411 INFO L82 PathProgramCache]: Analyzing trace with hash 398178739, now seen corresponding path program 1 times [2020-11-30 01:21:34,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:34,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899391081] [2020-11-30 01:21:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 63 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:34,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899391081] [2020-11-30 01:21:34,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864161674] [2020-11-30 01:21:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/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 [2020-11-30 01:21:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:35,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:35,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-30 01:21:35,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:35,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 01:21:35,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295824405] [2020-11-30 01:21:35,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:35,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:35,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:35,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:35,143 INFO L87 Difference]: Start difference. First operand 2645 states and 3104 transitions. Second operand 3 states. [2020-11-30 01:21:35,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:35,805 INFO L93 Difference]: Finished difference Result 5149 states and 6063 transitions. [2020-11-30 01:21:35,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:35,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2020-11-30 01:21:35,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:35,818 INFO L225 Difference]: With dead ends: 5149 [2020-11-30 01:21:35,819 INFO L226 Difference]: Without dead ends: 2645 [2020-11-30 01:21:35,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:35,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2020-11-30 01:21:35,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2367. [2020-11-30 01:21:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-11-30 01:21:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2692 transitions. [2020-11-30 01:21:35,879 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2692 transitions. Word has length 259 [2020-11-30 01:21:35,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:35,879 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2692 transitions. [2020-11-30 01:21:35,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2692 transitions. [2020-11-30 01:21:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-11-30 01:21:35,886 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:35,886 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:36,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:21:36,102 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:36,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:36,102 INFO L82 PathProgramCache]: Analyzing trace with hash 405072077, now seen corresponding path program 1 times [2020-11-30 01:21:36,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:36,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423515660] [2020-11-30 01:21:36,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-11-30 01:21:36,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423515660] [2020-11-30 01:21:36,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:36,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:21:36,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931616825] [2020-11-30 01:21:36,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:36,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:36,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:36,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:36,316 INFO L87 Difference]: Start difference. First operand 2367 states and 2692 transitions. Second operand 3 states. [2020-11-30 01:21:37,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:37,138 INFO L93 Difference]: Finished difference Result 4593 states and 5239 transitions. [2020-11-30 01:21:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:37,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2020-11-30 01:21:37,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:37,158 INFO L225 Difference]: With dead ends: 4593 [2020-11-30 01:21:37,159 INFO L226 Difference]: Without dead ends: 2367 [2020-11-30 01:21:37,162 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 [2020-11-30 01:21:37,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-11-30 01:21:37,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2228. [2020-11-30 01:21:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2020-11-30 01:21:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2444 transitions. [2020-11-30 01:21:37,208 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2444 transitions. Word has length 275 [2020-11-30 01:21:37,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:37,209 INFO L481 AbstractCegarLoop]: Abstraction has 2228 states and 2444 transitions. [2020-11-30 01:21:37,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:37,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2444 transitions. [2020-11-30 01:21:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-11-30 01:21:37,217 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:37,217 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:37,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:21:37,218 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:37,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:37,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1878741502, now seen corresponding path program 1 times [2020-11-30 01:21:37,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:37,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877845440] [2020-11-30 01:21:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 131 proven. 57 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-11-30 01:21:37,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877845440] [2020-11-30 01:21:37,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535189039] [2020-11-30 01:21:37,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/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 [2020-11-30 01:21:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:37,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:37,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:37,942 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-11-30 01:21:37,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:37,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 01:21:37,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039285396] [2020-11-30 01:21:37,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:37,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:37,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:37,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:21:37,945 INFO L87 Difference]: Start difference. First operand 2228 states and 2444 transitions. Second operand 3 states. [2020-11-30 01:21:38,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:38,617 INFO L93 Difference]: Finished difference Result 4315 states and 4743 transitions. [2020-11-30 01:21:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:38,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-11-30 01:21:38,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:38,629 INFO L225 Difference]: With dead ends: 4315 [2020-11-30 01:21:38,629 INFO L226 Difference]: Without dead ends: 2228 [2020-11-30 01:21:38,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:21:38,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-11-30 01:21:38,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2089. [2020-11-30 01:21:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-30 01:21:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2266 transitions. [2020-11-30 01:21:38,675 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2266 transitions. Word has length 337 [2020-11-30 01:21:38,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:38,676 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2266 transitions. [2020-11-30 01:21:38,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:38,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2266 transitions. [2020-11-30 01:21:38,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-11-30 01:21:38,685 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:38,685 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 01:21:38,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-30 01:21:38,901 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:38,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:38,902 INFO L82 PathProgramCache]: Analyzing trace with hash 607675619, now seen corresponding path program 1 times [2020-11-30 01:21:38,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:38,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545328321] [2020-11-30 01:21:38,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-30 01:21:39,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545328321] [2020-11-30 01:21:39,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:39,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:21:39,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654556006] [2020-11-30 01:21:39,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:21:39,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:39,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:21:39,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:21:39,290 INFO L87 Difference]: Start difference. First operand 2089 states and 2266 transitions. Second operand 4 states. [2020-11-30 01:21:40,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:40,209 INFO L93 Difference]: Finished difference Result 4454 states and 4829 transitions. [2020-11-30 01:21:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:21:40,211 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 363 [2020-11-30 01:21:40,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:40,222 INFO L225 Difference]: With dead ends: 4454 [2020-11-30 01:21:40,222 INFO L226 Difference]: Without dead ends: 2506 [2020-11-30 01:21:40,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:21:40,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-11-30 01:21:40,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1950. [2020-11-30 01:21:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2020-11-30 01:21:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2112 transitions. [2020-11-30 01:21:40,268 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2112 transitions. Word has length 363 [2020-11-30 01:21:40,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:40,283 INFO L481 AbstractCegarLoop]: Abstraction has 1950 states and 2112 transitions. [2020-11-30 01:21:40,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:21:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2112 transitions. [2020-11-30 01:21:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-11-30 01:21:40,293 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:40,293 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:40,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:21:40,294 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:40,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:40,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1618681995, now seen corresponding path program 1 times [2020-11-30 01:21:40,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:40,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775613960] [2020-11-30 01:21:40,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-30 01:21:40,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775613960] [2020-11-30 01:21:40,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:40,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:21:40,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317834210] [2020-11-30 01:21:40,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 01:21:40,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:40,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:21:40,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:21:40,843 INFO L87 Difference]: Start difference. First operand 1950 states and 2112 transitions. Second operand 7 states. [2020-11-30 01:21:41,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:41,449 INFO L93 Difference]: Finished difference Result 3675 states and 3986 transitions. [2020-11-30 01:21:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:21:41,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 379 [2020-11-30 01:21:41,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:41,451 INFO L225 Difference]: With dead ends: 3675 [2020-11-30 01:21:41,451 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:21:41,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:21:41,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:21:41,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:21:41,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:21:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:21:41,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2020-11-30 01:21:41,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:41,456 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:21:41,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 01:21:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:21:41,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:21:41,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 01:21:41,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:21:41,830 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-11-30 01:21:42,082 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-11-30 01:21:42,086 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 01:21:42,087 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-30 01:21:42,088 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 01:21:42,089 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-30 01:21:42,090 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 01:21:42,091 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 01:21:42,091 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 01:21:42,091 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 01:21:42,091 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-30 01:21:42,093 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 01:21:42,094 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 01:21:42,095 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 01:21:42,095 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 01:21:42,095 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse1 (= ~a10~0 0)) (.cse3 (<= 0 (+ ~a1~0 600000))) (.cse0 (= 14 ~a4~0)) (.cse5 (<= 1 ~a10~0)) (.cse2 (= ~a12~0 0)) (.cse4 (<= ~a19~0 9))) (or (and (<= 23 ~a1~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 (<= 10 ~a19~0) .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~a19~0 6)) (and .cse0 (= ~a10~0 2) .cse2 .cse4) (and .cse3 .cse0 .cse5 (<= ~a10~0 2) .cse2) (and .cse3 .cse0 .cse5 .cse2 .cse4))) [2020-11-30 01:21:42,095 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-30 01:21:42,095 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-30 01:21:42,096 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 01:21:42,097 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 01:21:42,097 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 01:21:42,097 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 01:21:42,097 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 01:21:42,098 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-30 01:21:42,098 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-30 01:21:42,098 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-30 01:21:42,098 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-30 01:21:42,098 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-30 01:21:42,098 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 01:21:42,099 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-30 01:21:42,100 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-30 01:21:42,100 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-30 01:21:42,100 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-30 01:21:42,100 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,100 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,100 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,100 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,100 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-30 01:21:42,101 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse1 (= ~a10~0 0)) (.cse3 (<= 0 (+ ~a1~0 600000))) (.cse0 (= 14 ~a4~0)) (.cse5 (<= 1 ~a10~0)) (.cse2 (= ~a12~0 0)) (.cse4 (<= ~a19~0 9))) (or (and (<= 23 ~a1~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 (<= 10 ~a19~0) .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~a19~0 6)) (and .cse0 (= ~a10~0 2) .cse2 .cse4) (and .cse3 .cse0 .cse5 (<= ~a10~0 2) .cse2) (and .cse3 .cse0 .cse5 .cse2 .cse4))) [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 01:21:42,102 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,103 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:21:42,104 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-30 01:21:42,104 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-30 01:21:42,104 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-30 01:21:42,104 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 01:21:42,104 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 01:21:42,104 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 01:21:42,104 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 01:21:42,104 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 01:21:42,104 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 01:21:42,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:21:42 BoogieIcfgContainer [2020-11-30 01:21:42,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:21:42,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:21:42,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:21:42,169 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:21:42,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:21:21" (3/4) ... [2020-11-30 01:21:42,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:21:42,221 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:21:42,222 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:21:42,224 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:21:42,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:21:42,409 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_83ec8c1c-0c57-457e-a685-b3aa08e7a20e/bin/uautomizer/witness.graphml [2020-11-30 01:21:42,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:21:42,410 INFO L168 Benchmark]: Toolchain (without parser) took 23909.14 ms. Allocated memory was 96.5 MB in the beginning and 524.3 MB in the end (delta: 427.8 MB). Free memory was 66.2 MB in the beginning and 475.1 MB in the end (delta: -408.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:42,411 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:21:42,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.35 ms. Allocated memory is still 96.5 MB. Free memory was 66.0 MB in the beginning and 71.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:42,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.39 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 63.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:42,412 INFO L168 Benchmark]: Boogie Preprocessor took 134.46 ms. Allocated memory is still 96.5 MB. Free memory was 63.0 MB in the beginning and 58.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:42,412 INFO L168 Benchmark]: RCFGBuilder took 1639.28 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 57.8 MB in the beginning and 91.4 MB in the end (delta: -33.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:42,413 INFO L168 Benchmark]: TraceAbstraction took 21101.84 ms. Allocated memory was 132.1 MB in the beginning and 524.3 MB in the end (delta: 392.2 MB). Free memory was 91.4 MB in the beginning and 490.8 MB in the end (delta: -399.5 MB). Peak memory consumption was 248.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:42,413 INFO L168 Benchmark]: Witness Printer took 241.37 ms. Allocated memory is still 524.3 MB. Free memory was 490.8 MB in the beginning and 475.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:42,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.35 ms. Allocated memory is still 96.5 MB. Free memory was 66.0 MB in the beginning and 71.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.39 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 63.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.46 ms. Allocated memory is still 96.5 MB. Free memory was 63.0 MB in the beginning and 58.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1639.28 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 57.8 MB in the beginning and 91.4 MB in the end (delta: -33.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21101.84 ms. Allocated memory was 132.1 MB in the beginning and 524.3 MB in the end (delta: 392.2 MB). Free memory was 91.4 MB in the beginning and 490.8 MB in the end (delta: -399.5 MB). Peak memory consumption was 248.4 MB. Max. memory is 16.1 GB. * Witness Printer took 241.37 ms. Allocated memory is still 524.3 MB. Free memory was 490.8 MB in the beginning and 475.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 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: 592]: Loop Invariant Derived loop invariant: (((((((23 <= a1 && 14 == a4) && a10 == 0) && a12 == 0) || ((((0 <= a1 + 600000 && 14 == a4) && a10 == 0) && 10 <= a19) && a12 == 0)) || ((((0 <= a1 + 600000 && 14 == a4) && a10 == 0) && a12 == 0) && a19 == 6)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((((0 <= a1 + 600000 && 14 == a4) && 1 <= a10) && a10 <= 2) && a12 == 0)) || ((((0 <= a1 + 600000 && 14 == a4) && 1 <= a10) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((23 <= a1 && 14 == a4) && a10 == 0) && a12 == 0) || ((((0 <= a1 + 600000 && 14 == a4) && a10 == 0) && 10 <= a19) && a12 == 0)) || ((((0 <= a1 + 600000 && 14 == a4) && a10 == 0) && a12 == 0) && a19 == 6)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((((0 <= a1 + 600000 && 14 == a4) && 1 <= a10) && a10 <= 2) && a12 == 0)) || ((((0 <= a1 + 600000 && 14 == a4) && 1 <= a10) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.3s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1202 SDtfs, 2155 SDslu, 95 SDs, 0 SdLazy, 6888 SolverSat, 1041 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 862 GetRequests, 824 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2645occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 2226 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 199 HoareAnnotationTreeSize, 3 FomulaSimplifications, 784 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 674 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3725 NumberOfCodeBlocks, 3725 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3709 ConstructedInterpolants, 1 QuantifiedInterpolants, 4230737 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1185 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 3072/3401 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...