./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label33.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_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c -s /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/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 b936499c618953079e53bf3f0c3afd5dfbaafbc2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:34:07,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:34:07,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:34:07,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:34:07,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:34:07,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:34:07,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:34:07,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:34:07,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:34:07,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:34:07,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:34:07,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:34:07,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:34:07,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:34:07,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:34:07,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:34:07,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:34:07,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:34:07,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:34:07,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:34:07,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:34:07,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:34:07,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:34:07,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:34:07,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:34:07,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:34:07,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:34:07,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:34:07,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:34:07,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:34:07,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:34:07,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:34:07,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:34:07,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:34:07,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:34:07,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:34:07,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:34:07,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:34:07,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:34:07,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:34:07,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:34:07,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:34:07,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:34:07,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:34:07,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:34:07,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:34:07,539 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:34:07,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:34:07,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:34:07,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:34:07,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:34:07,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:34:07,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:34:07,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:34:07,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:34:07,542 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:34:07,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:34:07,542 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:34:07,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:34:07,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:34:07,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:34:07,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:34:07,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:34:07,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:34:07,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:34:07,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:34:07,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:34:07,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:34:07,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:34:07,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:34:07,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:34:07,546 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_db92f046-1b72-4515-bfa0-74ff58522cf8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b936499c618953079e53bf3f0c3afd5dfbaafbc2 [2020-11-29 23:34:07,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:34:07,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:34:07,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:34:07,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:34:07,901 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:34:07,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2020-11-29 23:34:07,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/data/ce0df8d34/3927d1b599da4fe8acbe8ab2b478129a/FLAG20126795f [2020-11-29 23:34:08,702 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:34:08,702 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2020-11-29 23:34:08,718 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/data/ce0df8d34/3927d1b599da4fe8acbe8ab2b478129a/FLAG20126795f [2020-11-29 23:34:08,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/data/ce0df8d34/3927d1b599da4fe8acbe8ab2b478129a [2020-11-29 23:34:08,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:34:08,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:34:08,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:34:08,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:34:08,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:34:08,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:34:08" (1/1) ... [2020-11-29 23:34:08,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307a3428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:08, skipping insertion in model container [2020-11-29 23:34:08,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:34:08" (1/1) ... [2020-11-29 23:34:08,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:34:08,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:34:09,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:34:09,666 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:34:10,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:34:10,030 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:34:10,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10 WrapperNode [2020-11-29 23:34:10,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:34:10,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:34:10,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:34:10,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:34:10,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... [2020-11-29 23:34:10,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... [2020-11-29 23:34:10,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:34:10,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:34:10,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:34:10,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:34:10,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... [2020-11-29 23:34:10,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... [2020-11-29 23:34:10,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... [2020-11-29 23:34:10,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... [2020-11-29 23:34:10,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... [2020-11-29 23:34:10,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... [2020-11-29 23:34:10,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... [2020-11-29 23:34:10,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:34:10,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:34:10,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:34:10,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:34:10,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/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 [2020-11-29 23:34:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:34:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:34:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:34:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:34:12,808 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:34:12,808 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:34:12,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:34:12 BoogieIcfgContainer [2020-11-29 23:34:12,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:34:12,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:34:12,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:34:12,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:34:12,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:34:08" (1/3) ... [2020-11-29 23:34:12,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e83e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:34:12, skipping insertion in model container [2020-11-29 23:34:12,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:10" (2/3) ... [2020-11-29 23:34:12,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e83e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:34:12, skipping insertion in model container [2020-11-29 23:34:12,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:34:12" (3/3) ... [2020-11-29 23:34:12,823 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2020-11-29 23:34:12,833 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:34:12,838 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:34:12,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:34:12,889 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:34:12,889 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:34:12,889 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:34:12,889 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:34:12,890 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:34:12,890 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:34:12,890 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:34:12,890 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:34:12,909 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-11-29 23:34:12,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-29 23:34:12,923 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:12,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:12,925 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:12,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:12,930 INFO L82 PathProgramCache]: Analyzing trace with hash 263676051, now seen corresponding path program 1 times [2020-11-29 23:34:12,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:12,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373185810] [2020-11-29 23:34:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:13,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:13,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373185810] [2020-11-29 23:34:13,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:13,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:34:13,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311991275] [2020-11-29 23:34:13,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:13,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:13,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:13,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:34:13,703 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-11-29 23:34:15,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:15,368 INFO L93 Difference]: Finished difference Result 856 states and 1497 transitions. [2020-11-29 23:34:15,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:15,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-29 23:34:15,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:15,385 INFO L225 Difference]: With dead ends: 856 [2020-11-29 23:34:15,385 INFO L226 Difference]: Without dead ends: 460 [2020-11-29 23:34:15,390 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 [2020-11-29 23:34:15,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-11-29 23:34:15,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2020-11-29 23:34:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-11-29 23:34:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2020-11-29 23:34:15,467 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 159 [2020-11-29 23:34:15,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:15,468 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2020-11-29 23:34:15,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2020-11-29 23:34:15,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-11-29 23:34:15,474 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:15,474 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:15,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:34:15,475 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:15,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:15,476 INFO L82 PathProgramCache]: Analyzing trace with hash -191744767, now seen corresponding path program 1 times [2020-11-29 23:34:15,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:15,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619800568] [2020-11-29 23:34:15,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:15,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:15,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619800568] [2020-11-29 23:34:15,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:15,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:34:15,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587443723] [2020-11-29 23:34:15,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:15,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:15,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:15,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:34:15,612 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand 3 states. [2020-11-29 23:34:16,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:16,702 INFO L93 Difference]: Finished difference Result 1340 states and 2081 transitions. [2020-11-29 23:34:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:16,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-11-29 23:34:16,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:16,720 INFO L225 Difference]: With dead ends: 1340 [2020-11-29 23:34:16,720 INFO L226 Difference]: Without dead ends: 883 [2020-11-29 23:34:16,723 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 [2020-11-29 23:34:16,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-11-29 23:34:16,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 880. [2020-11-29 23:34:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-11-29 23:34:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1290 transitions. [2020-11-29 23:34:16,798 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1290 transitions. Word has length 164 [2020-11-29 23:34:16,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:16,798 INFO L481 AbstractCegarLoop]: Abstraction has 880 states and 1290 transitions. [2020-11-29 23:34:16,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1290 transitions. [2020-11-29 23:34:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-29 23:34:16,807 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:16,807 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:16,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:34:16,808 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:16,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:16,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1718685266, now seen corresponding path program 1 times [2020-11-29 23:34:16,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:16,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100109938] [2020-11-29 23:34:16,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:16,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100109938] [2020-11-29 23:34:16,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:16,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:34:16,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986391601] [2020-11-29 23:34:16,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:16,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:17,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:17,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:34:17,003 INFO L87 Difference]: Start difference. First operand 880 states and 1290 transitions. Second operand 3 states. [2020-11-29 23:34:18,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:18,241 INFO L93 Difference]: Finished difference Result 2594 states and 3819 transitions. [2020-11-29 23:34:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:18,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-11-29 23:34:18,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:18,251 INFO L225 Difference]: With dead ends: 2594 [2020-11-29 23:34:18,252 INFO L226 Difference]: Without dead ends: 1716 [2020-11-29 23:34:18,253 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 [2020-11-29 23:34:18,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-11-29 23:34:18,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1696. [2020-11-29 23:34:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2020-11-29 23:34:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2437 transitions. [2020-11-29 23:34:18,308 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2437 transitions. Word has length 167 [2020-11-29 23:34:18,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:18,308 INFO L481 AbstractCegarLoop]: Abstraction has 1696 states and 2437 transitions. [2020-11-29 23:34:18,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2437 transitions. [2020-11-29 23:34:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-29 23:34:18,315 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:18,315 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:18,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:34:18,316 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:18,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:18,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1303034289, now seen corresponding path program 1 times [2020-11-29 23:34:18,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:18,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808557027] [2020-11-29 23:34:18,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:18,457 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 23:34:18,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808557027] [2020-11-29 23:34:18,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:18,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:34:18,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967754934] [2020-11-29 23:34:18,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:18,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:18,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:18,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:34:18,461 INFO L87 Difference]: Start difference. First operand 1696 states and 2437 transitions. Second operand 3 states. [2020-11-29 23:34:19,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:19,645 INFO L93 Difference]: Finished difference Result 3384 states and 4863 transitions. [2020-11-29 23:34:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:19,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-11-29 23:34:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:19,655 INFO L225 Difference]: With dead ends: 3384 [2020-11-29 23:34:19,655 INFO L226 Difference]: Without dead ends: 1690 [2020-11-29 23:34:19,658 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 [2020-11-29 23:34:19,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-11-29 23:34:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1689. [2020-11-29 23:34:19,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1689 states. [2020-11-29 23:34:19,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2246 transitions. [2020-11-29 23:34:19,704 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2246 transitions. Word has length 179 [2020-11-29 23:34:19,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:19,704 INFO L481 AbstractCegarLoop]: Abstraction has 1689 states and 2246 transitions. [2020-11-29 23:34:19,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2246 transitions. [2020-11-29 23:34:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-29 23:34:19,709 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:19,710 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:19,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:34:19,710 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:19,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:19,711 INFO L82 PathProgramCache]: Analyzing trace with hash -809683235, now seen corresponding path program 1 times [2020-11-29 23:34:19,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:19,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463528046] [2020-11-29 23:34:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 23:34:19,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463528046] [2020-11-29 23:34:19,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:19,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:34:19,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225016224] [2020-11-29 23:34:19,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:19,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:19,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:19,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:34:19,820 INFO L87 Difference]: Start difference. First operand 1689 states and 2246 transitions. Second operand 3 states. [2020-11-29 23:34:21,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:21,167 INFO L93 Difference]: Finished difference Result 5003 states and 6656 transitions. [2020-11-29 23:34:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:21,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-11-29 23:34:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:21,185 INFO L225 Difference]: With dead ends: 5003 [2020-11-29 23:34:21,185 INFO L226 Difference]: Without dead ends: 3316 [2020-11-29 23:34:21,188 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 [2020-11-29 23:34:21,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2020-11-29 23:34:21,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3313. [2020-11-29 23:34:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2020-11-29 23:34:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4058 transitions. [2020-11-29 23:34:21,272 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4058 transitions. Word has length 185 [2020-11-29 23:34:21,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:21,273 INFO L481 AbstractCegarLoop]: Abstraction has 3313 states and 4058 transitions. [2020-11-29 23:34:21,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4058 transitions. [2020-11-29 23:34:21,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-11-29 23:34:21,280 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:21,280 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:21,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:34:21,281 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:21,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:21,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1125970657, now seen corresponding path program 1 times [2020-11-29 23:34:21,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:21,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12520397] [2020-11-29 23:34:21,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:21,442 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 23:34:21,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12520397] [2020-11-29 23:34:21,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:21,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:34:21,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619657984] [2020-11-29 23:34:21,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:21,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:21,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:21,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:34:21,447 INFO L87 Difference]: Start difference. First operand 3313 states and 4058 transitions. Second operand 3 states. [2020-11-29 23:34:22,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:22,078 INFO L93 Difference]: Finished difference Result 6592 states and 8071 transitions. [2020-11-29 23:34:22,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:22,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-11-29 23:34:22,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:22,095 INFO L225 Difference]: With dead ends: 6592 [2020-11-29 23:34:22,095 INFO L226 Difference]: Without dead ends: 3281 [2020-11-29 23:34:22,099 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 [2020-11-29 23:34:22,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2020-11-29 23:34:22,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3281. [2020-11-29 23:34:22,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3281 states. [2020-11-29 23:34:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 3281 states and 3923 transitions. [2020-11-29 23:34:22,182 INFO L78 Accepts]: Start accepts. Automaton has 3281 states and 3923 transitions. Word has length 194 [2020-11-29 23:34:22,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:22,186 INFO L481 AbstractCegarLoop]: Abstraction has 3281 states and 3923 transitions. [2020-11-29 23:34:22,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3923 transitions. [2020-11-29 23:34:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-29 23:34:22,194 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:22,194 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:22,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 23:34:22,194 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:22,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:22,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1297048930, now seen corresponding path program 1 times [2020-11-29 23:34:22,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:22,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970686191] [2020-11-29 23:34:22,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:22,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970686191] [2020-11-29 23:34:22,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:22,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:34:22,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516452127] [2020-11-29 23:34:22,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:22,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:22,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:22,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:34:22,343 INFO L87 Difference]: Start difference. First operand 3281 states and 3923 transitions. Second operand 3 states. [2020-11-29 23:34:23,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:23,516 INFO L93 Difference]: Finished difference Result 8194 states and 9779 transitions. [2020-11-29 23:34:23,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:23,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-11-29 23:34:23,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:23,540 INFO L225 Difference]: With dead ends: 8194 [2020-11-29 23:34:23,540 INFO L226 Difference]: Without dead ends: 4915 [2020-11-29 23:34:23,544 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 [2020-11-29 23:34:23,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4915 states. [2020-11-29 23:34:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4915 to 4914. [2020-11-29 23:34:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4914 states. [2020-11-29 23:34:23,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4914 states to 4914 states and 5808 transitions. [2020-11-29 23:34:23,643 INFO L78 Accepts]: Start accepts. Automaton has 4914 states and 5808 transitions. Word has length 200 [2020-11-29 23:34:23,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:23,645 INFO L481 AbstractCegarLoop]: Abstraction has 4914 states and 5808 transitions. [2020-11-29 23:34:23,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 4914 states and 5808 transitions. [2020-11-29 23:34:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-11-29 23:34:23,655 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:23,655 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:23,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 23:34:23,655 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:23,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:23,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1181962127, now seen corresponding path program 1 times [2020-11-29 23:34:23,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:23,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115010857] [2020-11-29 23:34:23,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 23:34:23,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115010857] [2020-11-29 23:34:23,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:23,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:34:23,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277369110] [2020-11-29 23:34:23,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:23,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:23,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:23,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:34:23,834 INFO L87 Difference]: Start difference. First operand 4914 states and 5808 transitions. Second operand 3 states. [2020-11-29 23:34:24,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:24,928 INFO L93 Difference]: Finished difference Result 12262 states and 14746 transitions. [2020-11-29 23:34:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:24,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-11-29 23:34:24,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:24,958 INFO L225 Difference]: With dead ends: 12262 [2020-11-29 23:34:24,958 INFO L226 Difference]: Without dead ends: 7350 [2020-11-29 23:34:24,965 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 [2020-11-29 23:34:24,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7350 states. [2020-11-29 23:34:25,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7350 to 7350. [2020-11-29 23:34:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7350 states. [2020-11-29 23:34:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7350 states to 7350 states and 8444 transitions. [2020-11-29 23:34:25,106 INFO L78 Accepts]: Start accepts. Automaton has 7350 states and 8444 transitions. Word has length 207 [2020-11-29 23:34:25,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:25,107 INFO L481 AbstractCegarLoop]: Abstraction has 7350 states and 8444 transitions. [2020-11-29 23:34:25,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:25,107 INFO L276 IsEmpty]: Start isEmpty. Operand 7350 states and 8444 transitions. [2020-11-29 23:34:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-11-29 23:34:25,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:25,175 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:25,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 23:34:25,176 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:25,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:25,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1738333687, now seen corresponding path program 1 times [2020-11-29 23:34:25,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:25,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267577760] [2020-11-29 23:34:25,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-29 23:34:25,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267577760] [2020-11-29 23:34:25,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697881256] [2020-11-29 23:34:25,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/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 [2020-11-29 23:34:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:25,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:34:25,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:34:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 23:34:25,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:34:25,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 23:34:25,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834016913] [2020-11-29 23:34:25,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:25,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:25,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:25,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:34:25,827 INFO L87 Difference]: Start difference. First operand 7350 states and 8444 transitions. Second operand 3 states. [2020-11-29 23:34:27,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:27,209 INFO L93 Difference]: Finished difference Result 20191 states and 23244 transitions. [2020-11-29 23:34:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:27,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-11-29 23:34:27,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:27,265 INFO L225 Difference]: With dead ends: 20191 [2020-11-29 23:34:27,265 INFO L226 Difference]: Without dead ends: 12843 [2020-11-29 23:34:27,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:34:27,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12843 states. [2020-11-29 23:34:27,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12843 to 11210. [2020-11-29 23:34:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11210 states. [2020-11-29 23:34:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11210 states to 11210 states and 13001 transitions. [2020-11-29 23:34:27,492 INFO L78 Accepts]: Start accepts. Automaton has 11210 states and 13001 transitions. Word has length 235 [2020-11-29 23:34:27,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:27,493 INFO L481 AbstractCegarLoop]: Abstraction has 11210 states and 13001 transitions. [2020-11-29 23:34:27,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 11210 states and 13001 transitions. [2020-11-29 23:34:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-11-29 23:34:27,513 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:27,514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:27,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-29 23:34:27,741 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:27,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:27,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1645629925, now seen corresponding path program 1 times [2020-11-29 23:34:27,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:27,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389528127] [2020-11-29 23:34:27,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:27,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389528127] [2020-11-29 23:34:27,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:27,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:34:27,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592150253] [2020-11-29 23:34:27,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:27,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:27,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:27,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:34:27,979 INFO L87 Difference]: Start difference. First operand 11210 states and 13001 transitions. Second operand 3 states. [2020-11-29 23:34:29,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:29,231 INFO L93 Difference]: Finished difference Result 28722 states and 33546 transitions. [2020-11-29 23:34:29,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:29,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2020-11-29 23:34:29,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:29,268 INFO L225 Difference]: With dead ends: 28722 [2020-11-29 23:34:29,268 INFO L226 Difference]: Without dead ends: 17514 [2020-11-29 23:34:29,279 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 [2020-11-29 23:34:29,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17514 states. [2020-11-29 23:34:29,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17514 to 17509. [2020-11-29 23:34:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17509 states. [2020-11-29 23:34:29,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17509 states to 17509 states and 20168 transitions. [2020-11-29 23:34:29,603 INFO L78 Accepts]: Start accepts. Automaton has 17509 states and 20168 transitions. Word has length 278 [2020-11-29 23:34:29,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:29,603 INFO L481 AbstractCegarLoop]: Abstraction has 17509 states and 20168 transitions. [2020-11-29 23:34:29,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:29,604 INFO L276 IsEmpty]: Start isEmpty. Operand 17509 states and 20168 transitions. [2020-11-29 23:34:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-11-29 23:34:29,635 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:29,636 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:29,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 23:34:29,636 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:29,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:29,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1752857269, now seen corresponding path program 1 times [2020-11-29 23:34:29,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:29,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884618031] [2020-11-29 23:34:29,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-29 23:34:29,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884618031] [2020-11-29 23:34:29,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:34:29,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:34:29,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890389477] [2020-11-29 23:34:29,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:34:29,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:29,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:34:29,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:34:29,875 INFO L87 Difference]: Start difference. First operand 17509 states and 20168 transitions. Second operand 4 states. [2020-11-29 23:34:31,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:31,652 INFO L93 Difference]: Finished difference Result 37466 states and 43159 transitions. [2020-11-29 23:34:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:34:31,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 284 [2020-11-29 23:34:31,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:31,684 INFO L225 Difference]: With dead ends: 37466 [2020-11-29 23:34:31,685 INFO L226 Difference]: Without dead ends: 19959 [2020-11-29 23:34:31,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:34:31,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19959 states. [2020-11-29 23:34:31,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19959 to 19951. [2020-11-29 23:34:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19951 states. [2020-11-29 23:34:31,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19951 states to 19951 states and 22877 transitions. [2020-11-29 23:34:31,972 INFO L78 Accepts]: Start accepts. Automaton has 19951 states and 22877 transitions. Word has length 284 [2020-11-29 23:34:31,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:31,973 INFO L481 AbstractCegarLoop]: Abstraction has 19951 states and 22877 transitions. [2020-11-29 23:34:31,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:34:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 19951 states and 22877 transitions. [2020-11-29 23:34:32,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-11-29 23:34:32,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:34:32,095 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:34:32,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 23:34:32,096 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:34:32,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:32,096 INFO L82 PathProgramCache]: Analyzing trace with hash 138173679, now seen corresponding path program 1 times [2020-11-29 23:34:32,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:34:32,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213754102] [2020-11-29 23:34:32,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:34:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 97 proven. 6 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-11-29 23:34:32,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213754102] [2020-11-29 23:34:32,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121407140] [2020-11-29 23:34:32,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/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 [2020-11-29 23:34:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:32,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:34:32,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:34:32,698 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-29 23:34:32,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:34:32,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 23:34:32,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153651417] [2020-11-29 23:34:32,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:34:32,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:34:32,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:34:32,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:34:32,700 INFO L87 Difference]: Start difference. First operand 19951 states and 22877 transitions. Second operand 3 states. [2020-11-29 23:34:33,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:34:33,704 INFO L93 Difference]: Finished difference Result 39902 states and 45757 transitions. [2020-11-29 23:34:33,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:34:33,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 290 [2020-11-29 23:34:33,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:34:33,705 INFO L225 Difference]: With dead ends: 39902 [2020-11-29 23:34:33,705 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:34:33,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:34:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:34:33,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:34:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:34:33,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:34:33,719 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2020-11-29 23:34:33,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:34:33,719 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:34:33,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:34:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:34:33,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:34:33,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 23:34:33,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:34:34,252 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-11-29 23:34:34,443 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-11-29 23:34:34,446 INFO L274 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-11-29 23:34:34,446 INFO L274 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-11-29 23:34:34,446 INFO L274 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,446 INFO L274 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-11-29 23:34:34,446 INFO L274 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,447 INFO L274 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,448 INFO L274 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,449 INFO L274 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,449 INFO L274 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,450 INFO L274 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-11-29 23:34:34,450 INFO L274 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-11-29 23:34:34,450 INFO L274 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,450 INFO L274 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-11-29 23:34:34,450 INFO L274 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,450 INFO L274 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-11-29 23:34:34,450 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-11-29 23:34:34,450 INFO L274 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,451 INFO L274 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,451 INFO L274 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,451 INFO L274 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,451 INFO L274 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,451 INFO L274 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,451 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,451 INFO L274 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-11-29 23:34:34,451 INFO L274 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,452 INFO L274 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-11-29 23:34:34,452 INFO L274 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-11-29 23:34:34,452 INFO L274 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,452 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,452 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,452 INFO L274 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,452 INFO L274 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 23:34:34,452 INFO L274 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 23:34:34,452 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,453 INFO L274 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,453 INFO L274 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,453 INFO L274 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,453 INFO L274 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,453 INFO L274 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,453 INFO L274 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,453 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,453 INFO L274 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,454 INFO L274 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,454 INFO L274 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-11-29 23:34:34,454 INFO L274 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-11-29 23:34:34,454 INFO L274 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-11-29 23:34:34,454 INFO L274 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,454 INFO L274 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,454 INFO L274 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,454 INFO L274 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,454 INFO L274 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,455 INFO L274 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,455 INFO L274 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-11-29 23:34:34,455 INFO L274 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-11-29 23:34:34,455 INFO L274 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-11-29 23:34:34,455 INFO L274 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,455 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,455 INFO L274 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,455 INFO L274 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,456 INFO L274 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,456 INFO L274 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,456 INFO L274 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-11-29 23:34:34,456 INFO L274 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-11-29 23:34:34,456 INFO L274 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-11-29 23:34:34,456 INFO L274 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,456 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,456 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,456 INFO L274 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-11-29 23:34:34,457 INFO L274 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,457 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-11-29 23:34:34,457 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:34:34,457 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,457 INFO L274 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,457 INFO L274 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 23:34:34,457 INFO L274 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 23:34:34,457 INFO L274 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,458 INFO L274 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,458 INFO L274 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,458 INFO L274 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,458 INFO L274 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,458 INFO L274 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,458 INFO L274 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,458 INFO L274 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-11-29 23:34:34,458 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-11-29 23:34:34,459 INFO L274 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-11-29 23:34:34,459 INFO L274 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-11-29 23:34:34,459 INFO L274 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-11-29 23:34:34,459 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,459 INFO L274 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,459 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,460 INFO L274 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,460 INFO L274 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,460 INFO L274 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,460 INFO L274 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,460 INFO L274 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,460 INFO L274 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,460 INFO L274 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,460 INFO L274 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-11-29 23:34:34,460 INFO L274 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-11-29 23:34:34,461 INFO L274 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-11-29 23:34:34,461 INFO L274 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,461 INFO L274 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,461 INFO L274 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,461 INFO L274 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,461 INFO L274 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,461 INFO L274 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,461 INFO L274 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,462 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,462 INFO L274 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,462 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:34:34,462 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 23:34:34,462 INFO L274 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-11-29 23:34:34,462 INFO L274 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-11-29 23:34:34,462 INFO L274 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-11-29 23:34:34,462 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-11-29 23:34:34,463 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-11-29 23:34:34,463 INFO L274 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,463 INFO L274 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,463 INFO L274 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,463 INFO L274 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,463 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,463 INFO L274 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,463 INFO L274 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,464 INFO L274 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,464 INFO L274 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-11-29 23:34:34,464 INFO L274 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-11-29 23:34:34,464 INFO L274 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-11-29 23:34:34,464 INFO L274 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,464 INFO L274 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,464 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,464 INFO L274 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-11-29 23:34:34,464 INFO L274 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-11-29 23:34:34,465 INFO L274 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,465 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,465 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,465 INFO L274 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-11-29 23:34:34,465 INFO L274 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,465 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-11-29 23:34:34,465 INFO L274 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,465 INFO L274 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-11-29 23:34:34,465 INFO L274 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,466 INFO L274 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,466 INFO L274 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 23:34:34,466 INFO L274 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 23:34:34,466 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 23:34:34,466 INFO L274 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 23:34:34,466 INFO L274 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-11-29 23:34:34,466 INFO L274 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-11-29 23:34:34,466 INFO L274 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-11-29 23:34:34,467 INFO L274 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,467 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,467 INFO L274 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,468 INFO L270 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse0 (= ~a12~0 1)) (.cse2 (= ~a11~0 1)) (.cse1 (= ~a5~0 1)) (.cse4 (<= ~a12~0 0)) (.cse3 (= ~a11~0 0))) (or (and .cse0 .cse1 (= ~a3~0 0) .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse2 (<= ~a6~0 0)) (and .cse0 .cse1 (= ~a27~0 1) .cse2) (and .cse0 .cse1 (<= ~a26~0 0) .cse2 (= ~a3~0 1)) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse3))) [2020-11-29 23:34:34,468 INFO L274 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,469 INFO L274 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,469 INFO L274 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,469 INFO L274 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-11-29 23:34:34,469 INFO L274 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-11-29 23:34:34,469 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,469 INFO L274 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,469 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,469 INFO L277 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-11-29 23:34:34,470 INFO L274 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,470 INFO L274 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,470 INFO L274 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,470 INFO L274 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,470 INFO L274 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,470 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,470 INFO L274 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-11-29 23:34:34,470 INFO L274 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-11-29 23:34:34,470 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 23:34:34,471 INFO L274 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,471 INFO L274 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,471 INFO L274 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,471 INFO L274 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,471 INFO L274 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,471 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,471 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,471 INFO L274 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,471 INFO L274 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,472 INFO L274 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-11-29 23:34:34,472 INFO L274 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-11-29 23:34:34,472 INFO L274 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,472 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,472 INFO L274 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-11-29 23:34:34,472 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-11-29 23:34:34,472 INFO L274 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,473 INFO L270 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse0 (= ~a12~0 1)) (.cse2 (= ~a11~0 1)) (.cse1 (= ~a5~0 1)) (.cse4 (<= ~a12~0 0)) (.cse3 (= ~a11~0 0))) (or (and .cse0 .cse1 (= ~a3~0 0) .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse2 (<= ~a6~0 0)) (and .cse0 .cse1 (= ~a27~0 1) .cse2) (and .cse0 .cse1 (<= ~a26~0 0) .cse2 (= ~a3~0 1)) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse3))) [2020-11-29 23:34:34,473 INFO L274 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,473 INFO L274 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,473 INFO L274 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,473 INFO L274 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,473 INFO L274 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-11-29 23:34:34,473 INFO L274 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-11-29 23:34:34,473 INFO L274 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,473 INFO L274 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,474 INFO L274 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,474 INFO L274 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,474 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,474 INFO L274 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,474 INFO L274 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,474 INFO L274 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,474 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:34:34,474 INFO L274 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-11-29 23:34:34,475 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-11-29 23:34:34,475 INFO L274 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-11-29 23:34:34,475 INFO L274 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,475 INFO L274 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-11-29 23:34:34,475 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,475 INFO L274 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,475 INFO L274 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-11-29 23:34:34,475 INFO L274 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,475 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,476 INFO L274 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,476 INFO L274 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,476 INFO L274 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,476 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-11-29 23:34:34,477 INFO L274 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,477 INFO L274 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-11-29 23:34:34,477 INFO L274 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-11-29 23:34:34,478 INFO L274 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-11-29 23:34:34,478 INFO L274 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,478 INFO L274 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,478 INFO L274 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,479 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,479 INFO L274 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,480 INFO L274 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,481 INFO L274 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,481 INFO L274 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,481 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 23:34:34,481 INFO L274 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 23:34:34,481 INFO L274 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,481 INFO L274 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,481 INFO L274 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-11-29 23:34:34,481 INFO L274 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-11-29 23:34:34,481 INFO L274 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-11-29 23:34:34,482 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,482 INFO L274 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,482 INFO L274 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,482 INFO L274 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,482 INFO L274 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,482 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:34:34,482 INFO L274 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,482 INFO L274 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,482 INFO L274 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,483 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,483 INFO L274 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,483 INFO L274 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,483 INFO L274 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-11-29 23:34:34,483 INFO L274 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-11-29 23:34:34,483 INFO L274 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-11-29 23:34:34,483 INFO L274 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,483 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,483 INFO L274 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,484 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,484 INFO L274 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,484 INFO L274 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,484 INFO L274 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,484 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 23:34:34,484 INFO L274 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 23:34:34,484 INFO L274 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,484 INFO L274 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-11-29 23:34:34,484 INFO L274 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-11-29 23:34:34,485 INFO L274 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-11-29 23:34:34,485 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,485 INFO L274 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,485 INFO L274 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,485 INFO L274 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,485 INFO L274 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-11-29 23:34:34,485 INFO L274 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-11-29 23:34:34,485 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-11-29 23:34:34,485 INFO L274 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,486 INFO L274 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,486 INFO L274 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 23:34:34,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:34:34 BoogieIcfgContainer [2020-11-29 23:34:34,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:34:34,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:34:34,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:34:34,516 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:34:34,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:34:12" (3/4) ... [2020-11-29 23:34:34,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:34:34,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 23:34:34,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:34:34,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:34:34,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:34:34,804 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_db92f046-1b72-4515-bfa0-74ff58522cf8/bin/uautomizer/witness.graphml [2020-11-29 23:34:34,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:34:34,805 INFO L168 Benchmark]: Toolchain (without parser) took 25938.50 ms. Allocated memory was 86.0 MB in the beginning and 765.5 MB in the end (delta: 679.5 MB). Free memory was 49.6 MB in the beginning and 461.6 MB in the end (delta: -412.0 MB). Peak memory consumption was 266.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:34,805 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 45.6 MB in the beginning and 45.6 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:34:34,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1164.81 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.5 MB in the beginning and 59.6 MB in the end (delta: -10.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:34,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.44 ms. Allocated memory is still 104.9 MB. Free memory was 59.1 MB in the beginning and 44.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:34,806 INFO L168 Benchmark]: Boogie Preprocessor took 181.07 ms. Allocated memory is still 104.9 MB. Free memory was 44.9 MB in the beginning and 60.1 MB in the end (delta: -15.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:34,807 INFO L168 Benchmark]: RCFGBuilder took 2434.29 ms. Allocated memory was 104.9 MB in the beginning and 169.9 MB in the end (delta: 65.0 MB). Free memory was 60.1 MB in the beginning and 97.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 67.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:34,807 INFO L168 Benchmark]: TraceAbstraction took 21703.81 ms. Allocated memory was 169.9 MB in the beginning and 765.5 MB in the end (delta: 595.6 MB). Free memory was 96.6 MB in the beginning and 499.4 MB in the end (delta: -402.8 MB). Peak memory consumption was 192.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:34,808 INFO L168 Benchmark]: Witness Printer took 287.93 ms. Allocated memory is still 765.5 MB. Free memory was 499.4 MB in the beginning and 461.6 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:34,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 45.6 MB in the beginning and 45.6 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1164.81 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.5 MB in the beginning and 59.6 MB in the end (delta: -10.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 159.44 ms. Allocated memory is still 104.9 MB. Free memory was 59.1 MB in the beginning and 44.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 181.07 ms. Allocated memory is still 104.9 MB. Free memory was 44.9 MB in the beginning and 60.1 MB in the end (delta: -15.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2434.29 ms. Allocated memory was 104.9 MB in the beginning and 169.9 MB in the end (delta: 65.0 MB). Free memory was 60.1 MB in the beginning and 97.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 67.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21703.81 ms. Allocated memory was 169.9 MB in the beginning and 765.5 MB in the end (delta: 595.6 MB). Free memory was 96.6 MB in the beginning and 499.4 MB in the end (delta: -402.8 MB). Peak memory consumption was 192.8 MB. Max. memory is 16.1 GB. * Witness Printer took 287.93 ms. Allocated memory is still 765.5 MB. Free memory was 499.4 MB in the beginning and 461.6 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 1) || ((a12 == 1 && a5 == 1) && a11 == 0)) || (((a12 == 1 && a5 == 1) && a11 == 1) && a6 <= 0)) || (((a12 == 1 && a5 == 1) && a27 == 1) && a11 == 1)) || ((((a12 == 1 && a5 == 1) && a26 <= 0) && a11 == 1) && a3 == 1)) || ((a5 == 1 && a12 <= 0) && a11 == 1)) || ((a5 == 1 && a12 <= 0) && a11 == 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 1) || ((a12 == 1 && a5 == 1) && a11 == 0)) || (((a12 == 1 && a5 == 1) && a11 == 1) && a6 <= 0)) || (((a12 == 1 && a5 == 1) && a27 == 1) && a11 == 1)) || ((((a12 == 1 && a5 == 1) && a26 <= 0) && a11 == 1) && a3 == 1)) || ((a5 == 1 && a12 <= 0) && a11 == 1)) || ((a5 == 1 && a12 <= 0) && a11 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.0s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1960 SDtfs, 2589 SDslu, 252 SDs, 0 SdLazy, 7253 SolverSat, 1454 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 553 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19951occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1675 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 141 NumberOfFragments, 173 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2236 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 352 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3067 NumberOfCodeBlocks, 3067 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3053 ConstructedInterpolants, 0 QuantifiedInterpolants, 1251895 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1070 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 1188/1200 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...